大约有 42,000 项符合查询结果（耗时：0.0208秒） [XML]
Number of processors/cores in command line
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The most simplest tool comes with glibc and is called getconf:
$ getconf _NPROCESSORS_ONLN
4
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grep a tab in UNIX
...inst my pattern. Attempting to use that syntax prints nothing. (Is the Mac OS X variant different?)
– futureelite7
Feb 28 '10 at 15:42
2
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bundle install fails with SSL certificate verification error
When I run bundle install for my Rails 3 project on Centos 5.5 it fails with an error:
28 Answers
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Xcode/Simulator: How to run older iOS version?
I'm thinking of upgrading to iOS SDK 4.2. But what I'm wondering is if I'll still be able to run the simulator as iOS 3.2. This is because I'm creating iAds for iPad but I still want to check if my program will run with iOS 3.2.
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glob exclude pattern
...slow again. But in any case, really handy.
– Anastasios Andronidis
Feb 3 '14 at 18:56
Your operating system should cac...
Remove querystring from URL
... is:
function getPathFromUrl(url) {
return url.split("?")[0];
}
For those who also wish to remove the hash (not part of the original question) when no querystring exists, that requires a little bit more:
function stripQueryStringAndHashFromPath(url) {
return url.split("?")[0].split("#")[0];
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How to display HTML in TextView?
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Kostadin, you can put tags in XML, you just need to wrap them in CDATA brackets.
– Gerard
Apr 29 '12 at 12:24
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How to get the width and height of an android.widget.ImageView?
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I just set this property and now Android OS is taking care of every thing.
android:adjustViewBounds="true"
Use this in your layout.xml where you have planted your ImageView :D
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How to select all instances of selected region in Sublime Text
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On Mac OS you can use: CMD + CTRL + G
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How to use pip with Python 3.x alongside Python 2.x
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There's no Python 2 pip, that depends on the OS you're using. For example on Arch Linux pip --version states that's running on python 3.6 by default.
– Daniel Andrei Mincă
May 18 '17 at 9:12
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