大约有 47,000 项符合查询结果（耗时：0.0631秒） [XML]
Reading a string with scanf
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140
An array "decays" into a pointer to its first element, so scanf("%s", string) is equivalent to s...
Rails 3: I want to list all paths defined in my rails application
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230
rake routes
or
bundle exec rake routes
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[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...
...imary: #222222;
--secondary: #ffffff;
--tertiary: #0088cc;
--quaternary: #e45735;
--highlight: #ffff4d;
--success: #009900;
}
}
/* then deal with dark scheme */
@media (prefers-color-scheme: dark) {
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Ruby Hash to array of values
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answered Mar 5 '12 at 0:48
Ray ToalRay Toal
76.4k1212 gold badges143143 silver badges204204 bronze badges
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How to check if field is null or empty in MySQL?
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edited Mar 30 '18 at 5:18
answered Jul 24 '13 at 11:39
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How would I extract a single file (or changes to a file) from a git stash?
...D when the
stash was created.
So you can treat stash (e.g. stash@{0} is first / topmost stash) as a merge commit, and use:
$ git diff stash@{0}^1 stash@{0} -- <filename>
Explanation: stash@{0}^1 means the first parent of the given stash, which as stated in the explanation above is ...
How to check if an intent can be handled from some activity?
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150
edwardxu's solution works perfectly for me.
Just to clarify a bit:
PackageManager packageManag...
Generate list of all possible permutations of a string
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70
There are several ways to do this. Common methods use recursion, memoization, or dynamic program...
overlay two images in android to set an imageview
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Resources r = getResources();
Drawable[] layers = new Drawable[2];
layers[0] = r.getDrawable(R.drawable.t);
layers[1] = r.getDrawable(R.drawable.tt);
LayerDrawable layerDrawable = new LayerDrawable(layers);
testimage.setImageDrawable(layerDrawable);
(I haven't tested this code so there may be a m...
Multiple commands on a single line in a Windows batch file
...ng on delayed expansion:
pax> cmd /v:on /c "echo !time! & ping 127.0.0.1 >nul: & echo !time!"
15:23:36.77
15:23:39.85
That's needed from the command line. If you're doing this inside a script, you can just use setlocal:
@setlocal enableextensions enabledelayedexpansion
@echo off
ec...