大约有 20,412 项符合查询结果（耗时：0.0504秒） [XML]
How to mkdir only if a directory does not already exist?
I am writing a shell script to run under the KornShell (ksh) on AIX. I would like to use the mkdir command to create a directory. But the directory may already exist, in which case I do not want to do anything. So I want to either test to see that the directory does not exist, or suppress the "Fil...
PHP array delete by value (not key)
I have a PHP array as follows:
18 Answers
18
...
Pretty-print C++ STL containers
Please take note of the updates at the end of this post.
10 Answers
10
...
How can I undo git reset --hard HEAD~1?
Is it possible to undo the changes caused by the following command? If so, how?
18 Answers
...
Take a char input from the Scanner
I am trying to find a way to take a char input from the keyboard.
22 Answers
22
...
Best way to get application folder path
I see that there are some ways to get the application folder path:
10 Answers
10
...
Get index of array element faster than O(n)
Given I have a HUGE array, and a value from it. I want to get index of the value in array. Is there any other way, rather then call Array#index to get it? The problem comes from the need of keeping really huge array and calling Array#index enormous amount of times.
...
Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
Is there any way to select/manipulate CSS pseudo-elements such as ::before and ::after (and the old version with one semi-colon) using jQuery?
...
How to remove an element from an array in Swift
How can I unset/remove an element from an array in Apple's new language Swift?
18 Answers
...
Referencing system.management.automation.dll in Visual Studio
I am beginning to look into the PowerShell model and snap-in development. The first thing I notice is to reference System.management.automation.dll. However in Visual Studio, the .NET tab does not have that assembly, and nor is one able browse to
...