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Check if PHP session has already started
... really think about refactoring your session management code if you don't know whether or not a session is started...
That said, my opinion is subjective, and there are situations (examples of which are described in the comments below) where it may not be possible to know if the session is started....
How to use the IEqualityComparer
...nting interfaces of classes it is important to read the documentation, to know which contract you’re supposed to implement.1
In your code, the solution is to forward GetHashCode to Class_reglement.Numf.GetHashCode and implement it appropriately there.
Apart from that, your Equals method is full ...
Adjust UILabel height to text
...want to adjust their height to the text, this is the code I wrote for this now
17 Answers
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Why do we always prefer using parameters in SQL statements?
I am very new to working with databases. Now I can write SELECT , UPDATE , DELETE , and INSERT commands. But I have seen many forums where we prefer to write:
...
Django templates: verbose version of a choice
...
yes, I know. It's not as general (universal), though - unless you know a way to iterate in a template over all get_FOO_display methods of a model object :) I'm a bit too lazy for writing non-generic templates ;) Moreover, the docs ...
SqlAlchemy - Filtering by Relationship Attribute
...ives you filtering/sorting with "magical" strings as in Django, so you can now write something like
Patient.where(mother___phenoscore=10)
It's a lot shorter, especially for complex filters, say,
Comment.where(post___public=True, post___user___name__like='Bi%')
Hope you will enjoy this package
...
Check orientation on Android phone
...g ALWAYS. If you think about a moment, this is exactly what you want - to know if width is smaller than height (portrait), the opposite (landscape) or if they are the same (square).
Then it comes down to this simple code:
public int getScreenOrientation()
{
Display getOrient = getWindowManag...
Passing Data between View Controllers
...elf didFinishEnteringItem:itemToPassBack];
That's it for ViewControllerB. Now in ViewControllerA.h, tell ViewControllerA to import ViewControllerB and conform to its protocol.
#import "ViewControllerB.h"
@interface ViewControllerA : UIViewController <ViewControllerBDelegate>
In ViewControl...
Removing duplicates from a list of lists
...l names local to each function for speed) to put things on equal footing.
Now we can run checks on the tiny example list:
$ python -mtimeit -s'import nodup' 'nodup.doset(nodup.k)'
100000 loops, best of 3: 11.7 usec per loop
$ python -mtimeit -s'import nodup' 'nodup.dosort(nodup.k)'
100000 loops, b...
browser sessionStorage. share between tabs?
...sionStorage', JSON.stringify(sessionStorage));
// the other tab should now have it, so we're done with it.
localStorage.removeItem('sessionStorage'); // <- could do short timeout as well.
} else if (event.key == 'sessionStorage' && !sessionStorage.length) {
// another tab se...