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Our servers are located in the Tier III data center in the Netherlands.
Test IP: 91.239.64.11. Download download files: 100 MB, 1 GB

VPS functions:
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• Additional discounts for quarterly, yearly or longer billing cycles.
• Full root access
• RAID 10 storage with SSD drive [gr8 perfomance for most usage cases]
• Monthly full VPS external storage backups included in all packages
• 2x Xeon E5 processors per server node.
• Easy-to-use ClientArea: Manage your account and services from one place.
• SolusVM Control Panel: Separate access to manage only VPS services. + White API reseller accounts available!
• TUN / TAP / PPP (you can use any VPN)
• 100 Mbps or more connection for each VPS (multiple uplinks on each node)
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• 99.9% uptime guarantee
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Upon customer request, we can also add the specified OS template.

If you have questions for sale, please do not hesitate Contact our sales team

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The export analytics data from Twitter provide an empty CSV

I'm trying to export my Twitter data to show my engagement rate at certain times of the day.

This will be exported as CSV. I opened this file with Google Sheets and only column headings without data were shown. At first, I thought that was a problem with Google Sheets until I opened the CSV with Notepad and found that there were no other data except the column headings.

Screenshot of CSV from the editor

I've tried different date ranges, updated the page, and logged out and logged in again.

Many Thanks.

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Authentication – Does an OAuth1.0a HTTP GET endpoint provide a vulnerability in my API?

I'm building a hobby application, and I would prefer not to be on the list of insecure cyber security expert websites.

My application can post on behalf of a user on Twitter. This required the implementation of the OAuth 1.0a specification. as documented by Twitter,

All API endpoints on my site require authentication (I use JWTs). When implementing OAuth 1.0a, I had to leave the callback URL from step 2 of the linked documentation open to everyone. Since the request comes from Twitter servers, the authorization header does not include my JWT.

The only HTTP method implemented in the callback URL is an HTTP GET. It is set up with the Django framework and just checks if the query parameters in the callback URL match the values ​​of my database.

I think it's okay for security reasons, but am I wrong?

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kvm virtualization – How to Provide Raw SATA Hard Drives in KVM Guests

I have a CentOS 7.3 64-bit host operating system and a KVM (1.xxx) version and I need to run Fedora Core 13 (32-bit) as a guest operating system. I have newer hardware with some SATA and IDE hard drives attached.

I configured it to make the raw SATA disks available (the configuration is as follows), but the guest operating system lists them as SCSI, while I would assume that it appears as SATA.

To check if this is a problem with KVM, I installed CentOS 7.3 as the guest operating system (this is the same host and guest operating system), and the SATA drive lists are listed as ATA (is this your expected behavior and is this correct? You must confirm this). ,

To see if anything changes when I upgrade from KVM, I have upgraded from KVM to centos-release-qemu-evm KVM 2.x on another computer (without a SATA disk). This is also displayed as SCSI in Fedora 13 (32-bit) guest OS.

How can we make a SATA hard drive available as SATA in the Fedora 13 (32-bit) guest operating system? We also have some IDE hard drives and want to issue them as IDE in the Fedora 13 guest. How can we tackle this?

I appreciate all help.

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NIFT (UG) and its preparation in two weeks

What is NIFT?

Emerging fashion designers want to join NIFT (National Institute of Fashion Technology). There are 16 NIFT's throughout India. These institutes offer 4-year B.Des programs and 2-year M.Des programs in a variety of disciplines, including fashion design and fashion technology.

There are two stages of testing:

Level 1 – written NIFT test (GAT + CAT)

Level 2 – NIFT Situation Test

What happens in the written NIFT test?

The GAT (General Ability Test) has a specific curriculum consisting of quantitative skills, communicative skills, English, analytical skills, general knowledge and current events. The GAT tests candidates for their logical, analytical, conscious and communicative abilities. After the GAT the CAT takes place.

Sections Number of questions

Understanding English 25
Quantitative ability 20
Communication skills 25
Analytical capability 15
General knowledge and current affairs 15

The creativity test (CAT) varies from year to year. It is unconventional and puts the artistic and creative abilities of the candidate to the test. Aspirants must demonstrate a good understanding of colors, creativity and communication skills through sketching.

Only after the candidate has approved the written test can he write the situation test. Generally, for each available seat, 5 aspirants are called up for the situation test.

What happens in the NIFT situation test?

In the situation test, the candidate receives material and topics. You must use the material to find something that fits the theme.

The situation test is designed to see how the candidate can think on their feet and make the most of the materials they use. After that, the candidate must also provide a description in which he explains his project. The evaluation must be in English.

So prepare for NIFT (written test) in 2 weeks

With the main focus you would have given for your board exams, you might not have had time to prepare for the entrances.

Now that you focus on NIFT, you need to make sure you cover all aspects of CAT & GAT. You have to do a lot in 2 weeks, so every day counts.

Strategy:

GAT

Focus less on math and English as you know the basics that you have dealt with in the lower grades
Spend time with reason, solving puzzles and current affairs
Try as many dummy tests as possible

CAT

Make sure you thoroughly handle your drawing-drawing / painting / scribbling techniques
Receive professional feedback on your drawings – this will help you to see your work better

With only 2 weeks left, DQ Edge is a great option as it has an intuitive interface that tells you what you want to learn.

The following tips will help you to crack NIFT in two weeks:

1) See DQ Edge Learning Material – Use only two weeks of NIFT learning material available on DQ Edge and start a mock test. Once you're done, the platform tells you what to study next. Just follow these instructions and you will see that your results improve by 45%. Dq Edge would have helped you to focus on relevant topics.

2) Take Online Marathon Courses – You do not have the luxury of time and it is best not to waste any of it on travel. Take marathon courses at home. Online webinars are provided by DQ Labs for those who need to scan everything in the 11th hour.

3) Defined schedule – The time constraint is inconceivable, so much pressure is created. The only way you can overcome this is to plan and stick to a rigorous schedule. There are students who invest 12 hours a day in their studies. Assign hours of the day to the various topics and sections displayed for the exam. Make it a point of what you have learned for the day. Revision is essential.

4) Reading News – Current affairs are just as important as static gk. Browse through all the events of the past year. Gatherings, sports, prizes, appointments, ministers and obituaries. You will find that competitive success, Manorama Yearbook, Leadthecompetition website provide reliable information as they have credible sources. Go all through and through, as this is theoretical knowledge that you are likely to keep.

5) Keep Up with Fashion – Learn more about the industry by keeping up with the emerging designers and their designs. This is true for both Bollywood and Hollywood. You'll find that celebrity fashion and stylist bloggers are the pinnacle of the industry. Follow them to stay up to date.

6) To draw – The creative aptitude test questions your creativity, let many drawings into the right perspective. Understand art terms and do not take this part easily, as it accounts for 50% of the exam. If you take a break from learning, take time for sketching and working with colors. Let experts tell you and tell you how to improve it. Mentors in DQ laboratories have graduated from renowned institutes such as IIT, NIFT and NID, which offer constructive criticism.

6) practice practice dolls – note papers are very important, as soon as the student considers all subjects manageable, they must decide to try the bill papers. Bill papers help the student to mentally prepare for the exam and help him deal with the time constraints. In coaching centers such as DQ laboratories, details of past work are collected and similar documents are structured for the students. DQ edge is an online platform that offers sample papers as well as questions from previous years. The test platform analyzes the strengths and weaknesses of the user, thereby providing problems that you can work on.

7) Pay attention to details. It's important to keep an eye out for details in the exams so that your work stands out among the tens of thousands that you need to have time to incorporate creative details into your project. The examiners award a corresponding rating. Work on your shading and sketching skills, explore what you are not or not good at, so that you can improve it.

8) Be versatile – The courses offered by the colleges have many practical projects. These projects will test your material handling skills to see if you can think on your feet. To be versatile, you must work with different materials such as paper, clay and origami. DQ labs participates in materials handling courses by helping students work with different materials and tools. The mentors make this session interactive and productive. Because of this, students can think on their feet and effectively achieve the desired results of the situation test

9) SWOT – This is a study method that is strongly recommended. Strength, weakness, opportunities and threats. Since there is not much time left, you need to quickly analyze your strengths and weaknesses and work towards them accordingly. This is where DQ Edge comes in handy, the online testing platform quickly analyzes your strengths and weaknesses, tells you which parts you can work on, and gives you a good head start.

10) Do not Stress – Make a point of staying calm. Unnecessary stress can eat up your time. So always work smart and do not get stressed out. Follow a strict schedule and take short breaks to get the knowledge better. The exam is easy to crack if one is ready and on the point, talking to people who have cracked the exam in their spare time, and make sure you get their input.

More articles can be found at: https://edge.dqlabs.in/articles

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VPSGet has the vision to provide quality services at affordable prices for each customer.
We know how to cook virtual servers!

Our servers are located in the Tier III data center in the Netherlands.
Test IP: 91.239.64.11. Download download files: 100 MB, 1 GB

VPS functions:
Free managed support on request. *
• Additional discounts for quarterly, yearly or longer billing cycles.
• Full root access
• SSD-based RAID 10 storage [gr8 perfomance for most usage cases]
• Monthly full VPS external storage backups included in all packages
• 2x Xeon E5 processors per server node.
• Easy-to-use ClientArea: Manage your account and services from one place.
• SolusVM Control Panel: Separate access to manage only VPS services. + White API reseller accounts available!
• TUN / TAP / PPP (you can use any VPN)
• 100 Mbps or more connection for each VPS (multiple uplinks on each node)
• Free IPv6
• 99.9% uptime guarantee
• 30-day money back guarantee
• Instant Setup
• Many Linux distributions to choose from. Custom operating system templates. Operating system templates on request.
• No contract
• Support around the clock (internal team)
• LiveChat during the day [CET],
• Up to 30 IPv4 add-ons per VPS available for only US $ 1 per IP for customers using our services for at least 6 months.
Many payment methods available: Bitcoin, Paypal, Credit / Debit Cards, 2 Check Out, Webmoney / Paymentwall, Payza, BankWire.
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____________________________
VPS Packages
10 additional IP addresses available for all packages!

VZ-1
$ 5.35 per month
1 CPU core
512 MB RAM
20 GB of storage space
100 Mbps connection
30-day money-back guarantee
10 IPv6 included
1 additional IPv4 add-on available
Basic managed support included
More info / Compare

VZ-2
$ 8.95 a month
1 CPU core
1 GB RAM
40 GB of hard disk space
100 Mbps connection
30-day money-back guarantee
10 IPv6 included
5 additional IPv4 add-ons available
Basic managed support included
More info / Compare

VZ-3
$ 17.95 a month
2 CPU cores
2 GB RAM
60 GB of storage space
100 Mbps connection
30-day money-back guarantee
3 IPv4 included *New!
10 IPv6 included
10 additional IPv4 add-ons available
Basic managed support included
More info / Compare

VZ-4
$ 35.9 a month
4 CPU cores
4 GB RAM
80 GB of storage space
100 Mbps connection
30-day money-back guarantee
4 IPv4 included *New!
10 IPv6 included
10+ additional IPv4 add-on available
Fully managed support included
More info / Compare

VZ-5
$ 71.95 per month
8 CPU cores
8 GB RAM
100 GB of storage space
300 Mbps connection
30-day money-back guarantee
Premium managed included (+ Server monitoring on request)
5 IPv4 included *New!
10 IPv6 included
25+ additional IPv4 add-on available
More info / Compare

—————————-
We offer one a lot of OS Templates for customers, Some of them are available during the order and others are in the reinstallation list. This list will be updated from time to time.
Upon customer request, we can also add the specified OS template.

If you have questions for sale, please do not hesitate Contact our sales team

,

c ++ – Why does not my SIMD 3D vector class provide any performance gain?

I've written two versions of the vector class for my Ray Tracer. Non-SIMD version and SIMD version. The code can be found below. I would like to ask what things I should consider to maximize performance with SIMD. I get so no performance gain. I've disabled compiler optimizations and still no results.

#ifndef INC_VEC4_H
#define INC_VEC4_H

#define USE_SSE

#ifndef USE_SSE

#include
#include


Class Vec4
{
Public:

Union
struct {float x, y, z, w; };
struct {float r, g, b, a; };
};

// normalized directions
static vec4 UP;
static vec4 DOWN;
static vec4 NULL;
static vec4 LEFT;
static vec4 RIGHT;
static vec4 FORWARD;
static vec4 BACKWARD;

//Construction
vec4 ();
explicit vec4 (float x, float y, float z, float w = 1.0f);
explicit vec4 (float n);
vec4 (const vec4 and others);
vec4 & operator = (const vec4 and others);
//Destruction
~ vec4 ();


// vec4-vec4 arithmetic operations
inline vec4 operator + (const vec4 and others) const {
Return vec4 (x + other.x,
y + other.y,
z + other.z);
}
inline vec4 operator - (const vec4 and others) const {
Return vec4 (x - other.x,
y - other.y,
z - other.z);
}

// vec4-vec4 arithmetic operations
Inline void operator + = (const vec4 and others) {
x + = other.x;
y + = other.y;
z + = other.z;
}


inline vec4 operator * (const vec4 and others) const {
Return vec4 (x * other.x,
y * other.y,
z * other.z);
}
inline vec4 operator / (const vec4 and others) const {
assert ((int) other.x! = 0 && (int) other.y! = 0 && (int) other.z! = 0);
Return vec4 (x / other.x,
y / other.y,
z / other.z);
}
Inline void operator * = (const vec4 and others) {
x * = other.x;
y * = other.y;
z * = other.z;
}
inline void operator / = (const vec4 and others) {
x / = other.x;
y / = other.y;
z / = other.z;
}
// vec4-scalar * & /

Inline Vec4 operator / (float scalar) const {
assert (scalar> 0.00000f);
return vec4 (x / scalar, y / scalar, z / scalar);
}
Inline void operator * = (float scalar) {
x * = scalar;
y * = scalar;
z * = scalar;
}
Inline void operator / = (float scalar) {
Assert (scalar> 0.00000000f);
x / = scalar;
y / = scalar;
z / = scalar;
}

inline vec4 normalize () const
vec4 v;
v.x = x / length ();
v.y = y / length ();
v.z = z / length ();
Return v;
}


Inline float length () const {
return (sqrt ((x * x) + (y * y) + (z * z)));
}


inline float squared_length () const {
Return x * x + y * y + z * z;
}

inline void make_it_unit () {

x / = length ();
y / = length ();
z / = length ();

}

inline vec4 & make_itzero () {
x = y = z = 0;
Return * this;
}

Inline float point (const vec4 and others) const {
return ((x * other.x) + (y * other.y) + (z * other.z));
}

inline vec4 cross (const vec4 and others) const {
return vec4 (
y * other.z + z * other.y,
z * other.x + x * other.z,
x * other.y + y * other.x
);
}

// checks
bool check_ifzero () const {
// convert the floats to int, as it is difficult to compare two floats
bool result = (((int) x) == 0 && ((int) y) == 0 && ((int) z) == 0);
Return result;
}
// IO
friend std :: ostream & operator << (std :: ostream & cout, const vec4 and others);
};

// inline operators that are not members
Inline vec4 operator * (const vec4 & v, floating-point scalar) {
return vec4 (v.x * scalar, v.y * scalar, v.z * scalar);
}

Inline Vec4 operator * (float scalar, const Vec4 & V) {
return vec4 (v.x * scalar, v.y * scalar, v.z * scalar);
}

Inline float point (const vec4 & v1, const vec4 & v2) {
return (v1.x * v2.x + v1.y * v2.y + v1.z * v2.z);
}

#otherwise

#include

_declspec (align (16))
struct vec4
{
Union
__m128 vec;
struct {float x, y, z, w; };
struct {float r, g, b, a; };
};

// normalized directions
static vec4 UP;
static vec4 DOWN;
static vec4 NULL;
static vec4 LEFT;
static vec4 RIGHT;
static vec4 FORWARD;
static vec4 BACKWARD;

//Construction
vec4 ();
vec4 (float x, float y, float z, float w = 1.0f);
explicit vec4 (float n);
vec4 (const vec4 and others);
vec4 & operator = (const vec4 and others);
//Destruction
~ vec4 ();

Inline float point (const vec4 and others)
{
__m128 dotResult = _mm_dp_ps (vec, other.vec, 0x7F);
Float result;
_mm_store_ss (& result, dotResult);
Return result;
}

inline void make_it_unit ()
{
__m128 selfDot = _mm_dp_ps (vec, vec, 0x7F);
__m128 sqrtResult = _mm_rsqrt_ps (selfDot);
vec = _mm_mul_ps (vec, sqrtResult);
}

inline vec4 normalize ()
{
vec4 result;
__m128 selfDot = _mm_dp_ps (vec, vec, 0x7F);
__m128 sqrtResult = _mm_rsqrt_ps (selfDot);
result.vec = _mm_mul_ps (vec, sqrtResult);
Return result;
}

Inline float length ()
{
__m128 selfDot = _mm_dp_ps (vec, vec, 0x7F);
__m128 sqrtResult = _mm_sqrt_ps (selfDot);
Float result;
_mm_store_ss (& result, sqrtResult);
Return result;
}

// vec4-vec4 arithmetic operations
inline vec4 operator + (const vec4 and others) const {
vec4 result;
result.vec = _mm_add_ps (vec, other.vec);
Return result;
}
inline vec4 operator - (const vec4 and others) const {
vec4 result;
result.vec = _mm_sub_ps (vec, other.vec);
Return result;
}

// vec4-vec4 arithmetic operations
Inline void operator + = (const vec4 and others) {
vec = _mm_add_ps (vec, other.vec);
}


inline vec4 operator * (const vec4 and others) const {
vec4 result;
result.vec = _mm_mul_ps (vec, other.vec);
Return result;
}
inline vec4 operator / (const vec4 and others) const {
vec4 result;
result.vec = _mm_div_ps (vec, other.vec);
Return result;
}
Inline void operator * = (const vec4 and others) {
vec = _mm_mul_ps (vec, other.vec);
}
inline void operator / = (const vec4 and others) {
vec = _mm_div_ps (vec, other.vec);
}
// vec4-scalar * & /

Inline Vec4 operator / (float scalar) const {
vec4 result;
__m128 _scalar = _mm_set_ps (scalar, scalar, scalar, scalar);
result.vec = _mm_div_ps (vec, _scalar);
Return result;
}
Inline void operator * = (float scalar) {
__m128 _scalar = _mm_set_ps (scalar, scalar, scalar, scalar);
vec = _mm_mul_ps (vec, _scalar);
}
Inline void operator / = (float scalar) {
__m128 _scalar = _mm_set_ps (scalar, scalar, scalar, scalar);
vec = _mm_div_ps (vec, _scalar);
}



inline float squared_length () const {
Float result;
__m128 dotResult = _mm_dp_ps (vec, vec, 0x7F);
_mm_store_ss (& result, dotResult);
Return result;
}

inline vec4 & make_itzero () {
vec = _mm_set_ps (0,0f, 0,0f, 0,0f, 0,0f);
}


inline vec4 cross (const vec4 and others) const {
vec4 result;
result.vec = _mm_sub_ps (
_mm_mul_ps (_mm_shuffle_ps (vec, vec, _MM_SHUFFLE (3, 0, 2, 1)), _mm_shuffle_ps (other.vec, other.vec, _MM_SHUFFLE (3, 1, 0, 2))),
_mm_mul_ps (_mm_shuffle_ps (vec, vec, _MM_SHUFFLE (3, 1, 0, 2)), _mm_shuffle_ps (other.vec, other.vec, _MM_SHUFFLE (3, 0, 2, 1)))
);
Return result;
}

// checks
bool check_ifzero () const {

}
};

// inline operators that are not members
Inline vec4 operator * (const vec4 & v, floating-point scalar) {
vec4 result;
__m128 _scalar = _mm_set_ps (scalar, scalar, scalar, scalar);
result.vec = _mm_mul_ps (v.vec, _scalar);
Return result;
}

Inline Vec4 operator * (float scalar, const Vec4 & V) {
vec4 result;
__m128 _scalar = _mm_set_ps (scalar, scalar, scalar, scalar);
result.vec = _mm_mul_ps (v.vec, _scalar);
Return result;
}

Inline float point (const vec4 & v1, const vec4 & v2) {
__m128 dotResult = _mm_dp_ps (v1.vec, v2.vec, 0x7F);
Float result;
_mm_store_ss (& result, dotResult);
Return result;
}


#endif

#endif