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Remove new lines from string and replace with one empty space
...ce('/\s\s+/', ' ', $string));
Multiple spaces and newlines are replaced with a single space.
Edit: As others have pointed out, this solution has issues matching single newlines in between words. This is not present in the example, but one can easily see how that situation could occur. An alternat...
The point of test %eax %eax [duplicate]
...
CMP subtracts the operands and sets the flags. Namely, it sets the zero flag if the difference is zero (operands are equal).
TEST sets the zero flag, ZF, when the result of the AND operation is zero. If two operands are equal, their bitwise AND is zero when both are zero. TEST a...
Convert column classes in data.table
...ng data.table: How do I convert column classes? Here is a simple example: With data.frame I don't have a problem converting it, with data.table I just don't know how:
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Shell Script: Execute a python program from within a shell script
I've tried googling the answer but with no luck.
9 Answers
9
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How do I flush the cin buffer?
...follow
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edited Jan 15 '16 at 22:30
Arslan Ali
15.7k77 gold badges4545 silver badges6363 bronze badges
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How to combine paths in Java?
...er using java.nio.file.Path; Path.resolve can be used to combine one path with another, or with a string. The Paths helper class is useful too. For example:
Path path = Paths.get("foo", "bar", "baz.txt");
If you need to cater for pre-Java-7 environments, you can use java.io.File, like this:
File...
Why switch is faster than if
Lots of Java books describe the switch statement as being faster than the if else statement. But I did not find out anywhere why switch is faster than if .
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Remove last character of a StringBuilder?
...op through a collection and make a string of each data separated by a delimiter, you always end up with an extra delimiter at the end, e.g.
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Android image caching
...true);
Object response = connection.getContent();
if (response instanceof Bitmap) {
Bitmap bitmap = (Bitmap)response;
}
Provides both memory and flash-rom cache, shared with the browser.
grr. I wish somebody had told ME that before i wrote my own cache manager.
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Is there a Public FTP server to test upload and download? [closed]
... For download testing they provide fixed size files, you can choose which fits best to your test.
You can connect with username of anonymous and any password (e.g. anonymous ).
You can upload files to upload folder. You can't create new folder here.
Your file is deleted immediately after successful...