大约有 26,000 项符合查询结果（耗时：0.0350秒） [XML]
What are the uses of the exec command in shell scripts? [closed]
Can anyone explain what are the uses of the exec command in shell scripting with simple examples?
2 Answers
...
Javascript Equivalent to PHP Explode()
...
Active
Oldest
Votes
...
How to check if a folder exists
I am playing a bit with the new Java 7 IO features, actually I trying to receive all the xml files of a folder. But this throws an exception when the folder does not exist, how can I check if the folder exists with the new IO?
...
What is the difference between Sublime text and Github's Atom [closed]
Github announced Atom which is very similar to Sublime. Even some keyboard shortcuts like ⌘ + P , ⌘ + Shift + P etc. are same.
...
It is more efficient to use if-return-return or if-else-return?
Suppose I have an if statement with a return . From the efficiency perspective, should I use
8 Answers
...
How to put multiple statements in one line?
I wasn't sure under what title to ponder this question exactly, coding golf seems appropriate if a bit unspecific.
10 Answe...
Chain-calling parent initialisers in python [duplicate]
Consider this - a base class A, class B inheriting from A, class C inheriting from B. What is a generic way to call a parent class initialiser in an initialiser? If this still sounds too vague, here's some code.
...
Designing function f(f(n)) == -n
...
Active
Oldest
Votes
1
2
3
4
Next
...
Do try/catch blocks hurt performance when exceptions are not thrown?
During a code review with a Microsoft employee we came across a large section of code inside a try{} block. She and an IT representative suggested this can have effects on performance of the code. In fact, they suggested most of the code should be outside of try/catch blocks, and that only importa...
Generating a drop down list of timezones with PHP
...ists that I found and then one method using the built in PHP DateTime class in PHP 5.
25 Answers
...