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Check if a program exists from a Makefile
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is this what you did?
check: PYTHON-exists
PYTHON-exists: ; @which python > /dev/null
mytarget: check
.PHONY: check PYTHON-exists
credit to my coworker.
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Autocompletion in Vim
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In addition to the above, YCM also provides semantic completion for C#, Python, Go, TypeScript etc. It also provides non-semantic, identifier-based completion for languages for which it doesn't have semantic support.
shar...
Print number of keys in Redis
...ndom, then checking what fraction of them matches the pattern.
Example in python; counting all keys starting with prefix_:
import redis
r = redis.StrictRedis(host = 'localhost', port=6379)
iter=1000
print 'Approximately', r.dbsize() * float(sum([r.randomkey().startswith('prefix_') for i in xrange(...
How to get a string after a specific substring?
...asiest way is probably just to split on your target word
my_string="hello python world , i'm a beginner "
print my_string.split("world",1)[1]
split takes the word(or character) to split on and optionally a limit to the number of splits.
In this example split on "world" and limit it to only one ...
Solutions for distributing HTML5 applications as desktop applications? [closed]
...m and package it up for Mac, Windows and Linux.
And it also supports PHP, Python and Ruby if your app requires "server-side" processing.
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What are the relative strengths and weaknesses of Git, Mercurial, and Bazaar? [closed]
..., and is scriptable; Mercurial is written in C (core, for performance) and Python, and provides API for extensions; Bazaar is written in Python, and provides API for extensions.
In considering each of them with one another and against version control systems like SVN and Perforce, what issues sho...
How do detect Android Tablets in general. Useragent?
... how I differentiate between tablet and smartphone browsers (this is using Python, but is similarly simple for other programming languages):
if ("Android" in agent):
if ("Mobile" in agent):
deviceType = "Phone"
else:
deviceType = "Tablet"
UPDATED: to reflect use of Chrome on Android, ...
Usage of __slots__?
What is the purpose of __slots__ in Python — especially with respect to when I would want to use it, and when not?
11 A...
Notifier 通知扩展：功能强大的Android通知管理工具，支持通知通道、意图、...
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Notifier 通知扩展
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版本历史
关于通知
关于权限
关于通知通道
关于意图 Intent
关于闹钟 Alarms
关于BackStack（活动堆栈）
使用方法
UrsAI2N...
How can I check the extension of a file?
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Use pathlib From Python3.4 onwards.
from pathlib import Path
Path('my_file.mp3').suffix == '.mp3'
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