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Identifying the dependency relationship for python packages installed with pip
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You may also use a one line command which pipes the packages in requirements to pip show.
cut -d'=' -f1 requirements.txt | xargs pip show
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How to delete multiple values from a vector?
...lows for subsetting using the vector name only once. And you can use it in pipes :)
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Can I catch multiple Java exceptions in the same catch clause?
... @user1512999 in Java, bitwise XOR is ^ (caret) and bitwise OR is | (pipe) docs.oracle.com/javase/tutorial/java/nutsandbolts/op3.html
– Lewis Baumstark
Mar 28 '17 at 18:40
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How to copy Docker images from one host to another without using a repository
...zip2 | docker load'
It's also a good idea to put pv in the middle of the pipe to see how the transfer is going:
docker save <image> | bzip2 | pv | \
ssh user@host 'bunzip2 | docker load'
(More info about pv: home page, man page).
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How to print Unicode character in Python?
...out = UTF8Writer(sys.stdout)
print(u'e with obfuscation: é')
Run it and pipe output to file:
python foo.py > tmp.txt
Open tmp.txt and look inside, you see this:
el@apollo:~$ cat tmp.txt
e with obfuscation: é
Thus you have saved unicode e with a obfuscation mark on it to a file.
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How to import load a .sql or .csv file into SQLite?
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Remember that the default delimiter for SQLite is the pipe "|"
sqlite> .separator ";"
sqlite> .import path/filename.txt tablename
http://sqlite.awardspace.info/syntax/sqlitepg01.htm#sqlite010
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How can I view all historical changes to a file in SVN
I know that I can svn diff -r a:b repo to view the changes between the two specified revisions. What I'd like is a diff for every revision that changed the file. Is such a command available?
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Checking a Python module version at runtime
...mport re
sp = subprocess.run(["pip3", "show", "numpy"], stdout=subprocess.PIPE)
ver = sp.stdout.decode('utf-8').strip().split('\n')[1]
res = re.search('^Version:\ (.*)$', ver)
print(res.group(1))
or
#!/usr/bin/env python3.7
import sys
import os
import subprocess
import re
sp = subprocess.run(["...
Git stash: “Cannot apply to a dirty working tree, please stage your changes”
...| git apply -3 && git stash drop
Basically it
creates a patch
pipes that to the apply command
if there are any conflicts they will need to be resolved via 3-way merge
if apply (or merge) succeeded it drops the just applied stash item...
I wonder why there is no -f (force) option for g...
libcurl的使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...是一些使用示例，由于部分代码是来源网上，原作者已经无法考证，所以如有原作者看到，可以告诉我，我给注明~
另：文末附有所有代码的打包下载，均在suse 10下编译运行通过
1.下载文件到本地
/*==================================...