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Linux上安装dtrace（劝退篇） - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...(好吧, 我承认已经说了很多了…), 直接切入正题:
首先是下载
$ wget ftp://crisp.dyndns-server.com/pub/release/website/dtrace/dtrace-20130530.tar.bz2
$ tar -xf dtrace-20130530.tar.bz2
然后是安装
这里需要看一下README. 首先是安装相关依赖, 根据不同的...
How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
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wait also (optionally) takes the PID of the process to wait for, and with $! you get the PID of the last command launched in background.
Modify the loop to store the PID of each spawned sub-process into an array, and then loop again waiting o...
How to checkout in Git by date?
... You
would than use git stash pop to get it back. Or you can (as carleeto said) git commit it to a separate branch.
Checkout by date using rev-parse
You can checkout a commit by a specific date using rev-parse like this:
git checkout 'master@{1979-02-26 18:30:00}'
More details on the available ...
How can I get the external SD card path for Android 4.0+?
... this returned both the internal and external. This device is kinda an oddball in that its internal largely goes unused as getExternalStorage() returns a path to the sdcard instead.
and some single storage devices that use an sdcard as their main storage
HTC G1 (cyanogenmod 6.1)
HTC G1 (stock)
H...
Why should weights of Neural Networks be initialized to random numbers? [closed]
I am trying to build a neural network from scratch.
Across all AI literature there is a consensus that weights should be initialized to random numbers in order for the network to converge faster.
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快速开发CSS的利器LESS 系列教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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打开：https://github.com/danro/LESS-sublime 将less文件的压缩包下载下来。将文件解压之后，放置于sublime的data中的packages文件夹中。
html文件能够解析less文件的设置
从http://lesscss.org下载less.js，并将less.js文件引入html页面中。
注意：
...
How do you implement a good profanity filter?
...user input, search queries, and situations where the input text can potentially contain profanity or undesirable language. Oftentimes this needs to be filtered out.
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Redefine tab as 4 spaces
...ab characters in your file to appear 4 spaces wide, or by "tab" do you actually mean an indent, generated by pressing the tab key, which would result in the file literally containing (up to) 4 space characters for each "tab" you type?
Depending on your answer, one of the following sets of
settings ...
Rename an environment with virtualenvwrapper
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if you do:
$ ack-grep -ai doors ~/.virtualenvs/django/bin
you'll notice that will have doors as location and not django, you'll to change each file with the new location.
solution:
after renamed the folder execute the command below.
$ sed -i "...
Can you control how an SVG's stroke-width is drawn?
...inside|outside possible values). This property may make it into UAs eventually.
Edit 3: Amusingly and dissapointingly, the SVG working group has removed stroke-alignment from SVG 2. You can see some of the concerns described after the prose here.
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