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UILabel with text of two different colors
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I have done this by creating a category for NSMutableAttributedString
-(void)setColorForText:(NSString*) textToFind withColor:(UIColor*) color
{
NSRange range = [self.mutableString rangeOfString:textToFind options:NSCaseInsensit...
Difference between malloc and calloc?
... thus processes with a flag. So when you do calloc, it first tries to find one of such pre-zeroed blocks and just give it to you - and most likely it will find one.
– Pavel Minaev
Oct 8 '09 at 15:18
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What is the difference between Lisp-1 and Lisp-2?
...how this relates to Clojure but I still do not understand properly. Can anyone enlighten me?
2 Answers
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Git branching: master vs. origin/master vs. remotes/origin/master
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Take a clone of a remote repository and run git branch -a (to show all the branches git knows about). It will probably look something like this:
* master
remotes/origin/HEAD -> origin/master
remotes/origin/master
Here, mast...
When and why would you seal a class?
...om any inheritance chance (the class will be non-inheritable). I know that one feature of object-oriented programming is inheritance and I feel that the use of sealed goes against this feature, it stops inheritance.
Is there an example that shows the benefit of sealed and when it is important ...
Slowing speed of Viewpager controller in android
...dx, int dy, int duration) {
// Ignore received duration, use fixed one instead
super.startScroll(startX, startY, dx, dy, mDuration);
}
@Override
public void startScroll(int startX, int startY, int dx, int dy) {
// Ignore received duration, use fixed one instead
...
JavaScript and Threads
...onous in JavaScript
Before HTML5 JavaScript only allowed the execution of one thread per page.
There was some hacky way to simulate an asynchronous execution with Yield, setTimeout(), setInterval(), XMLHttpRequest or event handlers (see the end of this post for an example with yield and setTimeo...
Catch a thread's exception in the caller thread in Python
...s there is in the context of the child thread, and it is in its own stack. One way I can think of right now to communicate this information to the parent thread is by using some sort of message passing, so you might look into that.
Try this on for size:
import sys
import threading
import Queue
c...
Enum type constraints in C# [duplicate]
...e.
As I'm fond of pointing out, ALL features are unimplemented until someone designs, specs, implements, tests, documents and ships the feature. So far, no one has done that for this one. There's no particularly unusual reason why not; we have lots of other things to do, limited budgets, and this ...
Getting error while sending email through Gmail SMTP - “Please log in via your web browser and then
...this allows you to use the google smtp for clients other than the official ones.
Update
Google has been so kind as to list all the potential problems and fixes for us. Although I recommend trying the less secure apps setting. Be sure you are applying these to the correct account.
If you've ...