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常用Linux命令详解(持续更新) - 更多技术 - 清泛网 - 专注C/C++及内核技术
...示当前目录的内容
[root@KEDACOM ~]# ls
NRU_CMU_DISK_SIZE_NOTIFY2008 anaconda-ks.cfg install.log install.log.syslog
显示名称以“.”开头的隐藏文件
[root@KEDACOM ~]# ls -a
.bash_histor .bash_profile .cshrc .ssh NRU_CMU_DISK_SIZE_NOTIFY2008 install.log .bash_logout .mys...
Replace all non-alphanumeric characters in a string
...ce any character that isn't a standard character or number such as (a-z or 0-9) with an asterisk. For example, "h^&ell`.,|o w]{+orld" is replaced with "h*ell*o*w*orld". Note that multiple characters such as "^&" get replaced with one asterisk. How would I go about doing this?
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“simple” vs “current” push.default in git for decentralized workflow
...hat has the same name:
$ git config push.default current
$ git push
Total 0 (delta 0), reused 0 (delta 0)
To /Documents/GitHub/bare
* [new branch] foo-> foo
The Documentation
From the Git configuration documentation:
upstream - push the current branch to its upstream branch...
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Objective-C Split()?
...it strings in objective c into arrays? I mean like this - input string Yes:0:42:value into an array of (Yes,0,42,value)?
5 ...
What does the tilde (~) mean in my composer.json file?
... means next significant release. In your case, it is equivalent to >= 2.0, < 3.0.
The full explanation is at Tilde Version Range docs page:
The ~ operator is best explained by example: ~1.2 is equivalent to >=1.2 <2.0.0, while ~1.2.3 is equivalent to >=1.2.3 <1.3.0.
Anoth...
CSS I want a div to be on top of everything
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dev.bv
93099 silver badges1616 bronze badges
answered Sep 14 '11 at 19:22
Skylar AndersonSkylar Anderson
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Is a Python list guaranteed to have its elements stay in the order they are inserted in?
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answered Dec 4 '12 at 0:11
sgesge
5,95011 gold badge1212 silver badges1616 bronze badges
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Logging framework incompatibility
...
You are mixing the 1.5.6 version of the jcl bridge with the 1.6.0 version of the slf4j-api; this won't work because of a few changes in 1.6.0. Use the same versions for both, i.e. 1.6.1 (the latest). I use the jcl-over-slf4j bridge all the time and it works fine.
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Int division: Why is the result of 1/3 == 0?
...se returns the true result of division rounded towards zero. The result of 0.333... is thus rounded down to 0 here. (Note that the processor doesn't actually do any rounding, but you can think of it that way still.)
Also, note that if both operands (numbers) are given as floats; 3.0 and 1.0, or eve...
