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RegEx: Smallest possible match or nongreedy match
...ull string instead of the short match inside. How would I search backwards from the b?
– C4d
Feb 27 '17 at 11:19
3
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sometimes my file just freezes in my vi |vim, what happened?
...type Ctrl+C or Ctrl+D , it still freezes there. I kill -9 <pid> from another terminal, the pid is killed, but the file still freezes there.
...
Why '&&' and not '&'?
... false and the evaluation of the rest (op.CanExecute()) is skipped.
Apart from this, technically, they are different, too:
&& and || can only be used on bool whereas & and | can be used on any integral type (bool, int, long, sbyte, ...), because they are bitwise operators. & is the ...
Setting HTTP headers
...ow CORS works) is that the HTTP Method of a preflight request is different from the HTTP Method of the actual request. To initiate CORS, the browser sends a preflight request with HTTP Method OPTIONS, which you have to handle explicitly in your router, and then, if it receives the appropriate respon...
How can I ignore a property when serializing using the DataContractSerializer?
...g. This is the behavior I am using, but now I need to ignore one property from the serializer. I know that one way to do this is to add the DataContract attribute to the class, and just put the DataMember attribute on all of the members that I want to include. I have reasons, though, that thi...
How would I create a UIAlertView in Swift?
...
From the UIAlertView class:
// UIAlertView is deprecated. Use UIAlertController with a
preferredStyle of UIAlertControllerStyleAlert instead
On iOS 8, you can do this:
let alert = UIAlertController(title: "Alert", me...
How to make graphics with transparent background in R using ggplot2?
I need to output ggplot2 graphics from R to PNG files with transparent background. Everything is ok with basic R graphics, but no transparency with ggplot2:
...
How do I output the difference between two specific revisions in Subversion?
... @Fonix are you in the paradigm of "how does another commit differ from my current state"? If so, I agree. I usually think of chronological changes commits, so changes made in HEAD would have been the new/added changes from PREV, which is the paradigm I usually think in. There are cases and ...
Using bitwise OR 0 to floor a number
...o 32bit signed scope.
To summarize:
Bitwise works the same if you work from 0 to 2147483647.
Bitwise is 1 number off if you work from -2147483647 to 0.
Bitwise is completely different for numbers less than -2147483648 and greater than 2147483647.
If you really want to tweak performance and use...
Way to get number of digits in an int?
...it:
After I wrote the benchmark, I took a sneak peak into Integer.toString from Java 6, and I found that it uses:
final static int [] sizeTable = { 9, 99, 999, 9999, 99999, 999999, 9999999,
99999999, 999999999, Integer.MAX_VALUE };
// Requires positive x
static in...