大约有 40,000 项符合查询结果（耗时：0.0783秒） [XML]
How do I enter a multi-line comment in Perl? [duplicate]
...nt with =POD, you can use any thing to start Multi-line comment ( say =xyz etc ) But yes end must always be with =cut not even =CUT
– Bharat
Jun 13 '14 at 4:44
add a comment
...
What is RSS and VSZ in Linux memory management
...ich has been allocated for normal program startup like text area, globals, etc.
on the second print, we have written to 8388608 KiB == 8GiB worth of pages. As a result, RSS increased by exactly 8GIB to 8390256 KiB == 8388608 KiB + 1648 KiB
RSS continues to increase in 8GiB increments. The last print...
ipython: print complete history (not just current session)
...qlite:
And it even has a menu for generating plots (scatter, line, bar, etc) from your data!
share
|
improve this answer
|
follow
|
...
How to Generate unique file names in C#
...tempt to create files in this order:
test.txt
test (2).txt
test (3).txt
etc. You can specify the maximum attempts or just leave it at the default.
Here's a complete example:
class Program
{
static FileStream CreateFileWithUniqueName(string folder, string fileName,
int maxAttempts ...
Click Event on UIImageView programmatically in ios
...ect fit, whatever.
Overlay this with a UIView (equal dimensions, position etc.)
Set the background to clearcolour, and the class to UIControl.
Point the touch up inside event to your handler, and voila.
share
|
...
How do I check if a directory exists? “is_dir”, “file_exists” or both?
...ent, but it's not a dir
//do something with file - delete, rename, etc.
unlink('file'); //for example
mkdir('file', NEEDED_ACCESS_LEVEL);
}
} else { //no file exists with this name
mkdir('file', NEEDED_ACCESS_LEVEL);
}
...
Performance optimization strategies of last resort [closed]
...y under a broad range of scenarios, and perform null checks on parameters, etc. By re-implementing a method you may be able to strip out a lot of logic that does not apply in the exact circumstance you are using it.
Down-sides: writing additional code means more surface area for bugs.
Do use library...
typeof !== “undefined” vs. != null
I often see JavaScript code which checks for undefined parameters etc. this way:
11 Answers
...
Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
... ever copy that script to a platform with a Unix base, such as Linux, Mac, etc).
share
|
improve this answer
|
follow
|
...
How to check if a String contains another String in a case insensitive manner in Java?
...em with the answer by Dave L. is when s2 contains regex markup such as \d, etc.
You want to call Pattern.quote() on s2:
Pattern.compile(Pattern.quote(s2), Pattern.CASE_INSENSITIVE).matcher(s1).find();
share
|
...