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What does the ??!??! operator do in C?
...pport that theory.
From ISO/IEC 9899:1999 §5.2.1.1, footnote 12 (h/t @Random832):
The trigraph sequences enable the input of characters that are not defined in the Invariant Code Set as
described in ISO/IEC 646, which is a subset of the seven-bit US ASCII code set.
...
How does `scp` differ from `rsync`?
...
rysnc can be useful to run on slow and unreliable connections. So if your download aborts in the middle of a large file rysnc will be able to continue from where it left off when invoked again.
Use rsync -vP username@host:/path/to/file .
The -P option preserves partially downloaded files and also...
Bold & Non-Bold Text In A Single UILabel?
...
Update
In Swift we don't have to deal with iOS5 old stuff besides syntax is shorter so everything becomes really simple:
Swift 5
func attributedString(from string: String, nonBoldRange: NSRange?) -> NSAttributedString {
let fontSize =...
How to show the “Are you sure you want to navigate away from this page?” when changes committed?
...t setting the message, it is as simple as:
// Enable navigation prompt
window.onbeforeunload = function() {
return true;
};
// Remove navigation prompt
window.onbeforeunload = null;
Read below for legacy browser support.
Update (2013)
The orginal answer is suitable for IE6-8 and FX1-3.5 (wh...
Changing the image source using jQuery
My DOM looks like this:
16 Answers
16
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How to create a file in memory for user to download, but not through server?
...any way I can create a text file on the client side and prompt the user to download it, without any interaction with the server?
I know I can't write directly to their machine (security and all), but can I create and prompt them to save it?
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How to get current time and date in Android
...onstants in Calendar for everything you need.
Edit:
Check Calendar class documentation
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Android check internet connection [duplicate]
... This answer is incorrect. If you're connected to a network that does not route to the internet this method will incorrectly return true. Note that getActiveNetworkInfo's javadoc says you should check NetworkInfo.isConnected(), but that is also not sufficient to check that you're on the in...
Python 3 turn range to a list
...t from the range object:
my_list = list(range(1, 1001))
This is how you do it with generators in python2.x as well. Typically speaking, you probably don't need a list though since you can come by the value of my_list[i] more efficiently (i + 1), and if you just need to iterate over it, you can j...
How to use git bisect?
...ber of commits, this can take a long time. This is a linear search. We can do better by doing a binary search. This is what the git bisect command does. At each step it tries to reduce the number of revisions that are potentially bad by half.
You'll use the command like this:
$ git stash save
$ gi...