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Redis strings vs Redis hashes to represent JSON: efficiency?
... nil
# me_set( 't:i' ... ) same as hset( 't:i/512', i % 512 ... )
# txt is some english fictionary book around 56K length,
# so we just take some random 63-symbols string from it
> redis.pipelined{ 10000.times{ |i| redis.me_set( "t:#{i}", txt[rand(50000), 63] ) } }; :done
=> :done ...
一个自媒体的运营手记：我做公众号已经两年多了 - 资讯 - 清泛网 - 专注C/C...
...发关注链接呢，又不能群发，大家都知道，微信公众号的推荐功能只能发给单个好友，一个一个发太累了，对于我来说，必定会耗费更的时间。最后，想到了图片，就是发个图片二维码给好友，因为图片可以群发，但是如果只发...
Using the RUN instruction in a Dockerfile with 'source' does not work
...p; workon myapp \
&& pip install -r /mycode/myapp/requirements.txt"
I hope it helps.
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华为公司的新产品研发流程管理 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...原因造成了决策过程的乏力。
针对这种情况，通常推荐的做法是建立一个非正式的领导小组，专门负责产品规划和各阶段的评审，这个小组主要完成这样一些工作：
* 提出新产品研发项目
* 取消或重新制定项目...
How can I have ruby logger log output to stdout as well as file?
...STDOUT)
logger.warn('This message goes to stdout')
logger.attach('logfile.txt')
logger.warn('This message goes both to stdout and logfile.txt')
logger.detach('logfile.txt')
logger.warn('This message goes just to stdout')
...
C# '@' before a String [duplicate]
...a path you would typically do this:
string path = "c:\\mypath\\to\\myfile.txt";
The @ allows you to do this:
string path = @"c:\mypath\to\myfile.txt";
Notice the lack of double slashes (escaping)
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Docker, mount volumes as readonly
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You can also do - './my-file.txt:/container-readonly-file.txt:ro' under volumes - note the :ro at the end.
– rybo111
Jul 14 at 9:35
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Where should virtualenvs be created?
...ecific to your computer or operating system). Instead, keep a requirements.txt file using pip:
pip freeze > requirements.txt
and distribute that. This will allow others using your project to reinstall all the same requirements into their virtualenv with:
pip install -r requirements.txt
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How do I completely uninstall Node.js, and reinstall from beginning (Mac OS X)
... -f -l -s -pf /var/db/receipts/org.nodejs.node.pkg.bom >> ~/filelist.txt
Manually review your file (located in your Home folder)
~/filelist.txt
Then delete the files:
cat ~/filelist.txt | while read f; do sudo rm /usr/local/${f}; done
sudo rm -rf /usr/local/lib/node /usr/local/lib/node_mod...
What is the python “with” statement designed for?
... setattr(sys, sname, stream)
with redirected(stdout=open("/tmp/log.txt", "w")):
# these print statements will go to /tmp/log.txt
print "Test entry 1"
print "Test entry 2"
# back to the normal stdout
print "Back to normal stdout again"
And finally, another example that create...