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Why do we need tuples in Python (or any immutable data type)?
...vil". There's a huge difference between doing premature optimization in an application (for example, saying "tuples are faster than lists, so we're going to use only tuples in all the app!") and doing benchmarks. Alex's benchmark is insightful and knowing that building a tuple is faster than buildin...
Best Practices: working with long, multiline strings in PHP?
...ng...where do you store your templates in the directory structure of a web application?
– Andrew
Dec 4 '09 at 19:26
My...
reStructuredText tool support
...as a comprehensive list at the Wikipedia reStructuredText page , but this apparently " did not meet the notability guideline for web content " and was removed .
...
Attempt to present UIViewController on UIViewController whose view is not in the window hierarchy
...iewDidLoad method. The solution for me was to move this call to the viewDidAppear: method.
My presumption is that the view controller's view is not in the window's view hierarchy at the point that it has been loaded (when the viewDidLoad message is sent), but it is in the window hierarchy after it ...
What's the need of array with zero elements?
...d it would have meant the very same thing. The authors of the Linux kernel apparently love to make things needlessly complicated and non-standard, if an option to do so reveals itself.
In older C standards, ending a struct with an empty array was known as "the struct hack". Others have already expl...
Add new item count to icon on button - Android
...veloper. I need to implement design shown below. I already have functional app but wonder how to even approach this? Particulary, I'm interested in how to show Number of "New" items under tabs. What I KNOW how to do - is create new icons with red dots and just display them when new stuff available.
...
How do I implement basic “Long Polling”?
...ritten in any language (I chose Apache/PHP as they are very common, and I happened to be running them locally)
Then, in Javascript, you request the above file (msg_srv.php), and wait for a response. When you get one, you act upon the data. Then you request the file and wait again, act upon the dat...
Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
...s indeed 1 µs. This clock wraps around once it tops out (this typically happens after ~2^32 ticks, which is not very long for a 1 MHz clock). man clock says that since glibc 2.18 it is implemented with clock_gettime(CLOCK_PROCESS_CPUTIME_ID, ...) in Linux.
clock_gettime(CLOCK_MONOTONIC, ...) prov...
Left Align Cells in UICollectionView
...iple cells of differing widths on a line. According to:
https://developer.apple.com/library/content/documentation/WindowsViews/Conceptual/CollectionViewPGforIOS/UsingtheFlowLayout/UsingtheFlowLayout.html
...
UITableViewCell with UITextView height in iOS 7?
...ou can work around it by making the relevant calls from there or using the appropriate NSNotificationCenter hooks.
- (void)textViewDidChange:(UITextView *)textView {
[self.tableView beginUpdates]; // This will cause an animated update of
[self.tableView endUpdates]; // the height of your ...