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Bare asterisk in function arguments?
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edited May 23 '17 at 11:55
Community♦
111 silver badge
answered Jan 13 '13 at 8:50
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Failed to install Python Cryptography package with PIP and setup.py
...ample:
C:\> \path\to\vcvarsall.bat x86_amd64
C:\> set LIB=C:\OpenSSL-1.0.1f-64bit\lib;%LIB%
C:\> set INCLUDE=C:\OpenSSL-1.0.1f-64bit\include;%INCLUDE%
C:\> pip install cryptography
Building cryptography on Linux
cryptography should build very easily on Linux provided you have a C compil...
图片工具箱：获取图片大小、裁剪、压缩、旋转、加水印（附 .aia 源码） · ...
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压缩
最长边 + 质量
上传前用：最长边 1280、质量 80 通常能把几 MB 的照片压到几百 KB
水印
文字 + 位置
字号按图片宽度自动，带阴影，深浅背景都看得清
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URL encoding in Android
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edited Oct 4 '13 at 15:32
JJD
42.7k4545 gold badges177177 silver badges291291 bronze badges
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npm install vs. update - what's the difference?
...d in package.json:
{
"name": "my-project",
"version": "1.0", // install update
"dependencies": { // ------------------
"already-installed-versionless-module": "*", // ignores "1.0" -> "1.1"
"alrea...
Smart way to truncate long strings
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function truncate(str, n){
return (str.length > n) ? str.substr(0, n-1) + '…' : str;
};
If by 'more sophisticated' you mean truncating at the last word boundary of a string then you need an extra check.
First you clip the string to the desired length, next you clip the result of ...
How can I disable logging of asset pipeline (sprockets) messages in Ruby on Rails 3.1?
...ends to be quite verbose in the (dev) log by default under Ruby on Rails 3.1 (RC1):
14 Answers
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plot a circle with pyplot
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Here's an example of doing this:
import matplotlib.pyplot as plt
circle1 = plt.Circle((0, 0), 0.2, color='r')
circle2 = plt.Circle((0.5, 0.5), 0.2, color='blue')
circle3 = plt.Circle((1, 1), 0.2, color='g', clip_on=False)
fig, ax = plt.subplots() # note we must use plt.subplots, not plt.subplot...