大约有 44,676 项符合查询结果（耗时：0.0467秒） [XML]
What is the benefit of using $() instead of backticks in shell scripts?
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The major one is the ability to nest them, commands within commands, without losing your sanity trying to figure out if some form of escaping will work on the backticks.
An example, though somewhat contrived:
deps=$(find /dir -name $(ls -1tr 201112...
How does TestFlight do it?
...ken devices). How can this be done? Is this an iOS feature, or a vulnerability exploit?
5 Answers
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Method call if not null in C#
Is it possible to somehow shorten this statement?
11 Answers
11
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Android Spinner: Get the selected item change event
How can you set the event listener for a Spinner when the selected item changes?
16 Answers
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How do I determine the size of my array in C?
...tal size of the array by the size of the array element.
You could do this with the type, like this:
int a[17];
size_t n = sizeof(a) / sizeof(int);
and get the proper answer (68 / 4 = 17), but if the type of
a changed you would have a nasty bug if you forgot to change
the sizeof(int) as well.
So ...
Retaining file permissions with Git
...erver as described in Version control for my web server , by creating a git repo out of my /var/www directory . My hope was that I would then be able to push web content from our dev server to github, pull it to our production server, and spend the rest of the day at the pool.
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Extract filename and extension in Bash
I want to get the filename (without extension) and the extension separately.
37 Answers
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Spring JPA selecting specific columns
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You can set nativeQuery = true in the @Query annotation from a Repository class like this:
public static final String FIND_PROJECTS = "SELECT projectId, projectName FROM projects";
@Query(value = FIND_PROJECTS, nativeQuery = true)
public List<Object[]> findProjects();
Note that you ...
Are there any downsides to passing structs by value in C, rather than passing a pointer?
...es of those structs will get placed on the stack, potentially causing the situation that this site is named after...
If I see an application that seems to have excessive stack usage, structs passed by value is one of the things I look for first.
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__FILE__ macro shows full path
...follow
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edited Apr 22 '15 at 20:00
Jayesh
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