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Does every web request send the browser cookies?
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Yes, you could orgnize your site/app structure such that all URLs requiring cookies are wthin /app/ or suchlike - it would retain portability without needing separate subdomains to eliminate redundant overhead. Or you could ditch the now useless Google Anal...
How do I iterate over an NSArray?
...cts in a collection which conforms to the NSFastEnumeration protocol. This approach has a speed advantage because it stores pointers to several objects (obtained via a single method call) in a buffer and iterates through them by advancing through the buffer using pointer arithmetic. This is much fas...
Setting action for back button in navigation controller
...he view controller where you want to detect the press:
-(void) viewWillDisappear:(BOOL)animated {
if ([self.navigationController.viewControllers indexOfObject:self]==NSNotFound) {
// back button was pressed. We know this is true because self is no longer
// in the navigation stac...
Why is auto_ptr being deprecated?
...wnership of *ap, leaving ap set to a nullptr, and the problem is that can happen too easily, without the programmer having thought through its safety.
For example, if a class/struct has a std::auto_ptr member, then making a copy of an instance will release the pointer from the instance being copied...
How to check if Receiver is registered in Android?
...ter and set flag
this won't work If you restart the device or if your app got killed by
OS. – amin 6 hours ago
@amin - see lifetime of in code (not system registered by manifest entry) registered receiver :)
share...
Benefits of header-only libraries
...ep for the user - compiling your library before using it.
Of course, this applies on a case-by-case basis. For example, header-only libraries sometimes increase code size & compilation times.
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What's the simplest way to subtract a month from a date in Python?
...with adding or subtracting months: months have different lengths! In some application an exception is appropriate in such cases, in others "the last day of the previous month" is OK to use (but that's truly crazy arithmetic, when subtracting a month then adding a month is not overall a no-operation...
What does bundle exec rake mean?
...ases, running executables without bundle exec may work, if the executable happens to be installed in your system and does not pull in any gems that conflict with your bundle.
However, this is unreliable and is the source of considerable pain. Even if it looks like it works, it may not work in t...
Why is the Android emulator so slow? How can we speed up the Android emulator? [closed]
...d couldn't find IntelHaxm.exe for a minute. It was here: C:\Users\jbarneck\AppData\Local\Android\android-sdk\extras\intel
– Rhyous
Apr 29 '13 at 14:35
11
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Passing Data between View Controllers
...extField and the UILabel.
Set the first and second View Controllers to the appropriate Swift files in IB.
Passing data back to the previous View Controller
To pass data back from the second view controller to the first view controller, you use a protocol and a delegate. This video is a very clear w...