What's the best way to handle tables when a view page has more than 500 expandable lists?

I have a view page in my application where I list the number of devices along with device configuration details such as log, broker ip, payload, and so on. This list has been designed to expand when clicked and display the detailed information.

As we add more devices, this list is constantly expanding and can be continued more than 500 or up to 1000 times in some scenarios.

What's the best way to deal with such a complex, extensible list of tables?

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A view for Python list areas

As you probably know, Python slices like arr[1:3] etc. DO NOT offer a view on the list and make a copy of the list instead. This can not be optimal performance if the array is large and you create one, for example arr[1:] (copies all but first)
The idea of ​​looking at an array is as follows:

Class ylist_view ():

def __init __ (self, lst, begin, end):

self.list = lst
self.len = end - begin
self.begin = begin
self.end = end

def __getitem __ (self, i):
if i <0: i + = self.len
return self.list[self.begin + i]

    def __setitem __ (self, i, value):
if i <0: i + = self.len
self.list[self.begin + i] = Value

def __str __ (self):
Return & # 39;[' + ', '.join( str(self.list[i]) for i in range (self.begin, self.end)) + & # 39;]& # 39;



Class input ():

def __init __ (self, value):
self.value = value

def __str __ (self):
Return & # 39;<' + str(self.value) + '>& # 39;

def __repr __ (self):
Return & # 39;<' + str(self.value) + '>& # 39;

a =   [ inbox(x) for x in  [1,2,3,4,5]]b = a [1:3]

    b[0] = 20 # creates a copy

print (& # 39; list a is unchanged: & # 39 ;, a)
print (& # 39; b = a [1:3] is a copy of a: & # 39 ;, b)

c = ylist_view (a, 1,3)

c[0] = 20

print (& # 39; ylist_view c is a view of a: & # 39 ;, a)

The Inbox class is a dummy class for illustration.
As you can see, b = a [1:3] is a copy while c = ylist_view (a, 1,3) refers to the original array.
Does it make sense to use this approach in a real Python project, or is Python already integrated for that?

The list view grouped by type "Number" and then by type "Text" is not expanded to show entries in SharePoint Online

The list view is grouped by fields "Created Year" of the type "Number" and then to field "Created month" of the type "Text" does not display any entries while trying to expand the grouping. Both are calculated columns and return number and text respectively.

I also tried by returning date from "Created Year" and also date from "Created month" Nevertheless, article entries can not be extended

Column: Creation year settings:
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Column: created monthly settings:
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Group by Show Settings:
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The list view does NOT extend the values:
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Where am I wrong?

Django Rest Framework – Advantages of the generic view method over apiView

I'm working on a big project and when it comes to views.py, a friend recommended using apiViews instead of generic view or modelViewset. I would like to know what advantage a viewing method has over others in using it in a large project better than other methods.

For example, for the project in question, users would create and update video postings, follow other users, and send e.t.c. participate.

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magento 1.9 – Advanced Manadev Filter – Limit to Memory View

We use a customized implementation of Manadev Advanced Filters in Magento 1.13.1.0 and have set up several websites and stores on our platform. The filter results sometimes appear to contain values ​​for the wrong business view, and may read the default configuration values ​​for SKUs that are shared by multiple stores. How would we limit the filter search to the right business view?

The functionality seems to be included in app / design / frontend / (custom design) /default/template/manapro/filteradvanced/view.phtml and uses:
/ * @var $ filterHelper Mana_Filters_Helper_Data * /
$ filterHelper = Mage :: helper (& # 39; mana_filters & # 39;);

The options seem to be rendered by the line:
$ _filterGroups = Mage :: helper (& # 39; mana_filters & # 39;) -> renderHtml ($ this, & # 39; groups & # 39;);

Because the results page also displays the wrong products after you click one of the options, there may be filter code elsewhere that needs to be restricted by the Store view.

View custom action in Activity Stream BuddyPress

I want to see my custom action activities on the Activity tab of groups, but they appear on the Activity tab, which is global. I tried a lot of solutions on the internet, but nobody works.

add_action (& # 39; wp_insert_post & # 39 ;, array ($ this, & bd_custom_bp_record_activity & # 39; b));
$ gid = bp_get_group_id ();
groups_record_activity (array (
& # 39; action & # 39; => apply_filters ('groups_activity_new_update_action', sprintf (__ (& # 39;% 1 $ s has created an event% 2 $ s & # 39 ;, & # 39; buddypress & # 39;), bp_core_get_userlink (get_current_user_id ()), & # 39;& # 39 ;. esc_attr (bp_get_group_name ()). & # 39;& # 39)),
& # 39; content & # 39; => & # 39; new post & # 39 ;,
& # 39; type & # 39; => & # 39; created_event & # 39 ;,
& # 39; # 39 & ITEM_ID; => $ gid,
& # 39; user_id & # 39; => get_current_user_id (),
)
);

To generate PDF for the entire list view in Android

I created the bitmap and created the PDF file for the bitmap. but I have to generate pdf for the entire list view, which is scrollable. Given below is my code, please give me a suggestion, thanks in advance! I could not find the PDF authoring application that could copy the entire UI or, in my case, paste the entire list view into the PDF. If anyone could suggest what could be done in this case, I would be grateful.

    public class MainActivity extends AppCompatActivity {
private button btn;
private linear layout llScroll;
private bitmap bitmap;
private ListView listView;
assembly list my list;

@Override
protected void onCreate (bundle savedInstanceState) {
super.onCreate (savedInstanceState);
setContentView (R.layout.activity_main);
btn = findViewById (R.id.btn);
llScroll = findViewById (R.id.llScroll);
listView = (ListView) findViewById (R.id.listView);
string[] names = new String[]{"One, two, three, four, five, six, seven, one, two, three, four, five" Six "," Seven "};
array adapter arrayAdapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1, android.R.id.text1, names);
listView.setAdapter (arrayAdapter);
btn.setOnClickListener (new View.OnClickListener () {
@Override
public void onClick (View v) {
Log.d ("size", "" + llScroll.getWidth () + "" + llScroll.getWidth ());
bitmap = loadBitmapFromView (llScroll, llScroll.getWidth (), llScroll.getHeight ());
getWholeListViewItemsToBitmap ();
Create PDF ();
}
});
}

public bitmap getWholeListViewItemsToBitmap () {
ListAdapter adapter = listView.getAdapter ();
int itemscount = adapter.getCount ();
int allitemsheight = 0;
list bmps = new ArrayList();
for (int i = 0; i <itemscount; i ++) {
View childView = adapter.getView (i, null, listView);
childView.measure (View.MeasureSpec.makeMeasureSpec (listView.getWidth (), View.MeasureSpec.EXACTLY),
View.MeasureSpec.makeMeasureSpec (0, View.MeasureSpec.UNSPECIFIED));
childView.layout (0, 0, childView.getMeasuredWidth (), childView.getMeasuredHeight ());
childView.setDrawingCacheEnabled (true);
childView.buildDrawingCache ();
bmps.add (childView.getDrawingCache ());
allitemsheight + = childView.getMeasuredHeight ();
}
Bitmap bigbitmap = Bitmap.createBitmap (listView.getMeasuredWidth (), allitemsheight, Bitmap.Config.ARGB_8888);
Canvas bigcanvas = new canvas (bigbitmap);
Paint paint = new Paint ();
int iHeight = 0;
for (int i = 0; i <bmps.size (); i ++) {
Bitmap bmp = bmps.get (i);
bigcanvas.drawBitmap (bmp, 0, iHeight, paint);
iHeight + = bmp.getHeight ();
bmp.recycle ();
bmp = zero;
}
Return bigbitmap;
}

public static bitmap loadBitmapFromView (View v, int width, int height) {
Bitmap b = Bitmap.createBitmap (Width, Height, Bitmap.Config.ARGB_8888);
Canvas c = new canvas (b);
v.draw (c);

return b;
}

private void createPdf () {
WindowManager wm = (WindowManager) getSystemService (Context.WINDOW_SERVICE);
DisplayMetrics displaymetrics = new DisplayMetrics ();
this.getWindowManager (). getDefaultDisplay (). getMetrics (displaymetrics);
float hight = displaymetrics.heightPixels;
float width = displaymetrics.widthPixels;
int convertHighet = (int) hight, convertWidth = (int) width;
PdfDocument document = new PdfDocument ();
PdfDocument.PageInfo pageInfo = new PdfDocument.PageInfo.Builder (convertWidth, convertHighet, 1) .create ();
PdfDocument.Page page = document.startPage (pageInfo);
Canvas canvas = page.getCanvas ();
Paint paint = new Paint ();
canvas.drawPaint (paint);
bitmap = Bitmap.createScaledBitmap (bitmap, convertWidth, convertHighet, true);
paint.setColor (Color.BLUE);
canvas.drawBitmap (bitmap, 0, 0, null);
document.finishPage (page);
// write the document content
String targetPdf = "/sdcard/pdffromScroll.pdf";
File filePath;
filePath = new file (targetPdf);
To attempt {
document.writeTo (new FileOutputStream (filePath));
} catch (IOException e) {
e.printStackTrace ();
Toast.makeText (this, "Something's wrong:" + e.toString (), Toast.LENGTH_LONG) .show ();
}
document.close ();
Toast.makeText (this, "PDF is created by Scroll !!!", Toast.LENGTH_SHORT) .show ();
openGeneratedPDF ();

}

private void openGeneratedPDF () {
File file = new File ("/ sdcard / pdffromScroll.pdf");
if (file.exists ()) {
Intent intent = new Intent (Intent.ACTION_VIEW);
Uri uri = Uri.fromFile (file);
intent.setDataAndType (uri, "application / pdf");
intent.setFlags (Intent.FLAG_ACTIVITY_CLEAR_TOP);
To attempt {
startActivity (intention);
} catch (ActivityNotFoundException e) {
Toast.makeText (MainActivity.this, "No application to view PDFs available", Toast.LENGTH_LONG) .show ();
}
}
}}