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Wrong requestCode in onActivityResult
... Just a note: if you use startActivityForResult in a fragment and expect the result from onActivityResult in that fragment, just make sure you call super.onActivityResult in the host activity (in case you override that method there). This is because the activity's onActivityResult seems...
What can you do in MSIL that you cannot do in C# or VB.NET? [closed]
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Most .Net languages including C# and VB do not use the tail recursion feature of MSIL code.
Tail recursion is an optimization that is common in functional languages. It occurs when a method A ends by returning the value of method B such that method A's stac...
Check whether an array is a subset of another
...ec 2 '08 at 4:12
Cameron MacFarlandCameron MacFarland
63.2k1919 gold badges9898 silver badges128128 bronze badges
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Getting GDB to save a list of breakpoints
...but not in a format that would work well with reusing them using the --command as in this question . Does GDB have a method for dumping them into a file acceptable for input again? Sometimes in a debugging session, it is necessary to restart GDB after building up a set of breakpoints for testing.
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How to update only one field using Entity Framework?
...lude to use db.Entry(user).Property(x => x.Password).IsModified = true; and not db.Entry(user).Property("Password").IsModified = true;
– Johan
Aug 14 '13 at 19:43
5
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Access POST values in Symfony2 request object
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Symfony 2.2
this solution is deprecated since 2.3 and will be removed in 3.0, see documentation
$form->getData();
gives you an array for the form parameters
from symfony2 book page 162 (Chapter 12: Forms)
[...] sometimes, you may just want to use a form without a class, ...
Select elements by attribute in CSS
...L5 feature",
browsers typically don't have any problems supporting non-standard attributes, so you should be able to filter them with attribute selectors; and
you don't have to worry about CSS validation either, as CSS doesn't care about non-namespaced attribute names as long as they don't break t...
Remove all occurrences of a value from a list?
... I wouldn't call this solution the best. List comprehensions are faster and easier to understand while skimming through code. This would rather be more of a Perl way than Python.
– Peter Nimroot
Aug 13 '16 at 15:25
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Detect permission of camera in iOS
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Check the AVAuthorizationStatus and handle the cases properly.
NSString *mediaType = AVMediaTypeVideo;
AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:mediaType];
if(authStatus == AVAuthorizationStatusAuthorized) {
// ...
Parallel foreach with asynchronous lambda
I would like to handle a collection in parallel, but I'm having trouble implementing it and I'm therefore hoping for some help.
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