Swing – DOUBLE JAVA INTERFACE

I'm a beginner and I have a very fundamental doubt about the eclipse. My colleague sent me the code for our work, which includes a graphical interface, but I do not know where to access the component window (caption, button, etc.) to make some changes. I used Netbeans and I do not know how to use Eclipse properly. Thanks in advance

Refactoring – How to generalize this method to its double / common logic?

The approach you are looking for is a code refactoring called "extraction method" (or "extraction function"). See here and / or here.

They take the general code and extract it into their own private function. They "abstract" the code by taking a parameter. With this parameter, the function can be used from different values. Therefore, you call this private method in the two different places, using a different parameter in each of the two calls.

I use the term "abstract" as in the introduction of a parameter, as this term is used in the lambda calculation: If we take a code, replace a (fixed) part by a variable and then make the code one Function recording We have introduced a parameter for this variable.


There will be a little difficulty setSetOneCount versus setSetTwoCount, There are different possibilities:

one. Add the following or similar as follows

class CountedSet {
    Set theSet;
    int count;
}

Change DBRecord to use this type twice. Then you can pass the correct sentence to the private method.

b. Let the private method take a lambda to call the setting and specify a different lambda for each call location.

There are other options:

Make DBRecord has only one setCount method and submit a parameter to inform him sentence 1 or sentence 2. This allows the private method to call the more general one setCount Passing a parameter for sentence 1 or sentence 2; This value is specified by the private method caller as another parameter.

mobile – navigate in a double top bar

I found a UX issue on a website I'm designing. I feel like there is an obvious solution, but I'm having trouble finding it.

I have a website with a global bar. In the middle of the site, I have a navigation component with tabs. There are 3 tabs and the windows each contain longer content.

I feel like my users want to be able to navigate between these tabs without having to swipe the page again.

Obviously, I do not want to double-stack horizontal glue sticks. I can not replace or edit the global bar at all.

I am thinking of a collapse to the side option. Or turn it into a carousel with sticky left / right arrows?

Design suggestion

Java – Suggestions for Removing Double CallableStatement Boilerplate and Better Design

We have many stored procedures and functions that we call in our database, and the setup for each call to our data access level is very verbose with setting the inputs and registering the output, and so on. There may be a better solution to making the callable statement dynamic to generate? for a stored procedure or function with any types / sets of parameters and output types?

We have a self-brewing solution and it's ugly … full of ifs and buts, fors and whiles … very hard to read and maintain. We also tried to centralize common boilerplate code for similar function calls. I.U. Anyone who requires a long value and returns a Boolean value will use the same centralized dynamic long string and stored procedure string.

The code comes from memory. Please do not pay too much attention to the syntax. This is above all a design question.

//Client usage in Controller class

certAwarded = PackageName.isCertAwardedFor(personIDToCheck);

//In class that mimics the interface of the database packages 
//There would be a method per public function
public static boolean isCertAwardedFor(Long personID){
    return PackageUtils.isMet(personID, "{? = call PACKAGE.is_met(?)}");
}

//In Package scoped Utility class 
//Attempt to centralize all single input param and return of boolean
//type of procedure calls.
static boolean isMet(Long personID, String proc){
    boolean met = false;
    try(AutoCloseableStatement stmt = new AutoCloseableStatement(proc)){
        CallableStatement callableStmt = stmt.createStatement();
        callableStmt.registerOutParameter(1, OracleTypes.VARCHAR2);
        callableStmt.setLong(2, personID);
        callableStmt.execute();
        met = convertYNtoBool(callableStmt.getString(1));
    }catch(SQLException ex){
        Logger.log(ex);
    }
return met;
}


///////////////////////////////////OR///////////////////////////////

//Client usage in Controller class

certAwarded = PackageName.isCertAwardedFor(personIDToCheck, CertPackageEnum);

//In class that mimics the interface of the database packages 
//There would be a method per public function
public static boolean isCertAwardedFor(Long personID, PackageProc procCall){
    return PackageUtils.call(personID, procCall.IS_CERT_AWARDED);
}

//In Package scoped Utility class 
//Attempt to centralize all single input param and return of boolean
//type of procedure calls.
static ?????? isMet(Long personID, String proc){
    try(AutoCloseableStatement stmt = new AutoCloseableStatement(proc)){
        CallableStatement callableStmt = stmt.createStatement();
        LOTS OF CONDITIONS TO CHECK AND SET ALL POSSIBLE INPUTS AND OUTPUTS
    }catch(SQLException ex){
        Logger.log(ex);
    }
    return ?????
}

Representation Theory – Double centralizer in the linear special algebra

It is known that for a matrix $ A $ in the $ mathfrak {sl} _n ( mathbb {C}) $we have the following equivalence:
$$ dim Z (A) text {is minimal} leftrightarrow A text {is cyclic} $$
Where $ Z (A) $ is the centralizer of $ A $ (Elements that commute with $ A $).
The minimum dimension is therefore the rank of Lie algebra $ n-1 $ in this case. Cyclic means that under the action of a vector the entire vector space is generated $ A $,

My question is, is there a "duplicate" version of it? Is it true that for a pair commute matrices $ (A, B) $ in the $ mathfrak {sl} _n ( mathbb {C}) $ we have
$$ dim Z (A, B) text {is minimal} leftrightarrow (A, B) text {is cyclic} $$
Where $ Z (A, B) $ is the common centralizer (elements that interact with $ A $ and $ B $)?
Note that the minimum dimension of a commuter pair is also the rank of Lie algebra.

It's not that hard to show $ (A, B) $ cyclically implies that the centralizer has a minimal dimension.
For direct implication, in the case of a matrix, the Frobenius decomposition based on the invariant factor decomposition, which works only over Euclidean rings, can be used. For a matrix we have the ring $ mathbb {C} (x) $ of polynomials in a variable that is Euclidean. But for the double version we need $ mathbb {C} (x, y) $ this is not Euclidean (two pendulum matrices give the vector space the structure of a $ mathbb {C} (x, y) $-Module). Is there another argument for direct implication?

Videobin.co – error-free and fast | Up to $ 120 / 10k views as startup bonus. (Double payment) | WJunktion

To introduce Videobin.co – A flawless and fast video host. We have more than 10 years experience in this industry. We've been trying to provide a healthy platform from day one so you do not have to waste your time figuring things out.

Here is some brief information about videobin and its affiliate program.

  • We pay up to $ 60 for every 10,000 calls.
  • The minimum payment is only $ 5. (This will increase after some time)
  • Most importantly, bug-free platform from day one.
  • No hidden rules for your payments.
  • Different payment methods.
  • Payments are fast and easy.
  • API is available.
  • Erotic content is allowed.
  • You can control the intensity of the ads in your videos.
  • Uploading and watching videos is pretty fast and we are constantly adding more infrastructure.
  • Multiple upload options, including FTP, remote upload. Zoom support soon too!
  • Fast and responsive support around the clock.
  • Various video resolutions for all types of viewers.
  • Simple and easy to navigate design.

Our level: –

Animal countries
Animal 1 $ 60 Australia, Canada, United Kingdom, United States
Tier 2 $ 40 Austria, Denmark, Finland, France, Germany, Iceland, Ireland, Netherlands, New Zealand, Norway, Sweden, Switzerland
Tier 3 $ 10 Belgium, Bosnia-Herzegovina, Greece, Hungary, Italy, Poland, Portugal, Singapore, Spain
Animal 4 $ 2 Other countries

Note: These rates are special rates that will not be a special offer until December 31, 2019. What are you waiting for? Sign up now. The first 20 users requesting a payment will receive twice the amount they will request. https://videobin.co/rewards.html

$ 10 / year ★ 50% recurring discount ★ Double SSD storage and bandwidth ★ Unlimited Domains ★ LiteSpeed ​​★ cPanel | WJunktion

WebHostGlobe.com specializes in providing world-class web hosting services to customers around the world. We ensure that customers receive a high level of service and customer satisfaction. We use the industry's best and newest hardware infrastructure and servers to meet the hosting needs and requirements of our customers. Our engineers have the technical expertise to fix problems and ensure network stability immediately. In short, we strive to help our clients succeed.

All our hosting packages are equipped with the following features:
– Latest cPanel Control Panel
– Technical support around the clock
– Refund warranty
– 99.9% availability guarantee
– Softaculous Auto Installer with over 100 apps
– Protection at the server level
– Unlimited subdomains
– Unlimited MySQL databases
– Unlimited e-mail accounts
– Unlimited FTP accounts
– …and many more!

HOSTING PLANS
bronze

Hard disk space: 5 GB SSD (usual: 1 GB)
Premium Bandwidth: 50 GB (usual: 10 GB)
Host 1 website
Unlimited subdomains
Unlimited MySQL databases
Unlimited e-mail accounts
Unlimited FTP accounts
Free cPanel Control Panel
Free Softaculous One-Click Installer
Free setup and activation
99.9% availability guarantee
Cloud hosting enabled
Free 24/7 technical support
Refund warranty
Only $ 20 / year
Reduced price: Now $ 10 / year with coupon code "WJ10"
Order now

silver
Hard disk space: 10 GB SSD (usual: 2 GB)
Premium Bandwidth: 100 GB (usual: 20 GB)
Unlimited addon domains
Unlimited subdomains
Unlimited MySQL databases
Unlimited e-mail accounts
Unlimited FTP accounts
Free cPanel Control Panel
Free Softaculous One-Click Installer
Free setup and activation
99.9% availability guarantee
Cloud hosting enabled
Free 24/7 technical support
Refund warranty
Only $ 30 / year
Reduced price: Now $ 15 / year with coupon code "WJ15"
Order now

gold
Hard disk space: 15 GB SSD (usual: 5 GB)
Premium Bandwidth: 150 GB (usual: 50 GB)
Unlimited addon domains
Unlimited subdomains
Unlimited MySQL databases
Unlimited e-mail accounts
Unlimited FTP accounts
Free cPanel Control Panel
Free Softaculous One-Click Installer
Free setup and activation
99.9% availability guarantee
Cloud hosting enabled
Free 24/7 technical support
Refund warranty
Only $ 40 / year
Reduced price: Now $ 20 / year with coupon code "WJ20"
Order now

platinum
Hard disk space: 20 GB SSD (usual: 10 GB)
Premium Bandwidth: 200 GB (usual: 100 GB)
Unlimited addon domains
Unlimited subdomains
Unlimited MySQL databases
Unlimited e-mail accounts
Unlimited FTP accounts
Free cPanel Control Panel
Free Softaculous One-Click Installer
Free setup and activation
99.9% availability guarantee
Cloud hosting enabled
Free 24/7 technical support
Refund warranty
Only $ 50 / year
Reduced price: Now $ 25 / year with coupon code "WJ25"
Order now

Do you need more details? Visit us now at: http://webhostglobe.com/hosting

$ 10 / year ★ 50% recurring discount ★ Double SSD storage and bandwidth ★ Unlimited domains ★ LiteSpeed ​​★ cPanel

WebHostGlobe.com specializes in providing world-class web hosting services to customers around the world. We ensure that customers receive a high level of service and customer satisfaction. We use the industry's best and newest hardware infrastructure and servers to meet the hosting needs and requirements of our customers. Our engineers have the technical expertise to fix problems and ensure network stability immediately. In short, we strive to help our clients succeed.

All our hosting packages are equipped with the following features:
– Latest cPanel Control Panel
– Technical support around the clock
– Refund warranty
– 99.9% availability guarantee
– Softaculous Auto Installer with over 100 apps
– Protection at the server level
– Unlimited subdomains
– Unlimited MySQL databases
– Unlimited e-mail accounts
– Unlimited FTP accounts
– …and many more!

WebHostingTalk Web Hosting Special Offers!

Upsized packages with double storage and double bandwidth and 50% off the following packages!

HOSTING PLANS
bronze

Hard disk space: 5 GB SSD (usual: 1 GB)
Premium Bandwidth: 50 GB (usual: 10 GB)
Host 1 website
Unlimited subdomains
Unlimited MySQL databases
Unlimited e-mail accounts
Unlimited FTP accounts
Free cPanel Control Panel
Free Softaculous One-Click Installer
Free setup and activation
99.9% availability guarantee
Cloud hosting enabled
Free 24/7 technical support
Refund warranty
Only $ 20 / year
Reduced price: Now $ 10 / year with coupon code "WHT10"
Order now

silver

Hard disk space: 10 GB SSD (usual: 2 GB)
Premium Bandwidth: 100 GB (usual: 20 GB)
Unlimited addon domains
Unlimited subdomains
Unlimited MySQL databases
Unlimited e-mail accounts
Unlimited FTP accounts
Free cPanel Control Panel
Free Softaculous One-Click Installer
Free setup and activation
99.9% availability guarantee
Cloud hosting enabled
Free 24/7 technical support
Refund warranty
Only $ 30 / year
Reduced price: Now $ 15 / year with coupon code "WHT15"
Order now

gold

Hard disk space: 15 GB SSD (usual: 5 GB)
Premium Bandwidth: 150 GB (usual: 50 GB)
Unlimited addon domains
Unlimited subdomains
Unlimited MySQL databases
Unlimited e-mail accounts
Unlimited FTP accounts
Free cPanel Control Panel
Free Softaculous One-Click Installer
Free setup and activation
99.9% availability guarantee
Cloud hosting enabled
Free 24/7 technical support
Refund warranty
Only $ 40 / year
Reduced price: Now $ 20 / year with coupon code "WHT20"
Order now

platinum

Hard disk space: 20 GB SSD (usual: 10 GB)
Premium Bandwidth: 200 GB (usual: 100 GB)
Unlimited addon domains
Unlimited subdomains
Unlimited MySQL databases
Unlimited e-mail accounts
Unlimited FTP accounts
Free cPanel Control Panel
Free Softaculous One-Click Installer
Free setup and activation
99.9% availability guarantee
Cloud hosting enabled
Free 24/7 technical support
Refund warranty
Only $ 50 / year
Reduced price: Now 25 USD / year with coupon code "WHT25"
Order now

Do you need more details? Visit us now at: http://webhostglobe.com/hosting

Scheme design for double accounting

We implement software that makes it possible to internally send "virtual" money between users. We started our database with a single entry as follows (simplified table). We only record a transaction where the user initiates the transaction (send money) is recorded. So it will always be a direct debit.

TransactionLog
------------------
TransactionLogID
UserIDFrom
UserIDTo
CurrencyID
CurrencyAmount 
Remarks
TransactionDateTime

Then a request changes, stating that we need a duplicate billing schema in our database. Then I made a new table like this.

TransactionLogDoubleEntry
----------------------------
TransactionLogDoubleEntryID
TransactionLogID
UserID
CounterPartyUserID
CreditOrDebit
CurrencyID
CurrencyAmount
Remarks
TransactionDateTime

My question:
1) Do I do this in a correct direction that I add? TransactionLogDoubleEntry Credit / debit table means that this is already a double entry scheme?

2) Should I stay the table TransactionLog? Or with TransactionLogDoubleEntry is enough enough?

3) If I stayed TransactionLog Table, it is necessary that I duplicate the currencyID, currencyAmount, remarks, TransactionDateTime in the TransactionLogDoubleEntry? Or is that enough to get the appropriate value TransactionLog Table.