大约有 30,000 项符合查询结果（耗时：0.0577秒） [XML]
How to restart a rails server on Heroku?
Locally I just interrupt (ctrl-c) and then start it again.
5 Answers
5
...
What's the difference between tag and release?
... It might also worthwhile to know that there's now a command-line tool called hub that supercharges the capabilities of git. Among these superpowers, there's the ability to push release in the terminal.
– Paul Razvan Berg
Jan 30 '19 at 14:21
...
How to prevent line breaks in list items using CSS
I'm trying to put a link called Submit resume in a menu using a li tag. Because of the whitespace between the two words it wraps to two lines. How to prevent this wrapping with CSS?
...
Detect 7 inch and 10 inch tablet programmatically
...
From this, we can get the information required to size the display:
int widthPixels = metrics.widthPixels;
int heightPixels = metrics.heightPixels;
This will return the absolute value of the width and the height in pixels, so 1280x720 for the Galaxy SIII, the Galaxy Nexus etc.
This isn't usual...
How to find out what group a given user has?
...
This one shows the user's uid as well as all the groups (with their gids) they belong to
id userid
share
|
improve this answer
|
...
Rails mapping array of hashes onto single hash
...PARAM1"=>"testVAL1"}
Reducing an array sort of like sticking a method call between each element of it.
For example [1, 2, 3].reduce(0, :+) is like saying 0 + 1 + 2 + 3 and gives 6.
In our case we do something similar, but with the merge function, which merges two hashes.
[{:a => 1}, {:b ...
What does the “expand” option do in grunt-contrib-copy? The examples all use it but the docs say not
...Remove all path parts from generated dest paths.
rename This function is called for each matched src file, (after extension renaming and flattening). The dest and matched src path are passed in, and this function must return a new dest value. If the same dest is returned more than once, each src w...
How do I see active SQL Server connections?
...
You can use the sp_who stored procedure.
Provides information about current users, sessions, and processes in an instance of the Microsoft SQL Server Database Engine. The information can be filtered to return only those processes that are not idle, that belong to a spec...
Is null reference possible?
...here's some doubt whether "dereferencing a null pointer" should be categorically stated to be undefined behavior. But this isn't one of the cases that raise doubts, since a null pointer certainly does not point to a "valid object or function", and there is no desire within the standards committee to...
How to profile a bash shell script slow startup?
...
It often helps to trace the system calls
strace -c -f ./script.sh
From the manual:
-c Count time, calls, and errors for each system call and report a summary on program exit.
-f Trace child processes ...
This is not exactly what you wa...