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How do I return to an older version of our code in Subversion?
...end up with a working copy looking like the old version) and then commit again. So for example to go from revision 150 (current) back to revision 140:
svn update
svn merge -r 150:140 .
svn commit -m "Rolled back to r140"
The Subversion Red Book has a good section about this.
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Turning off auto indent when pasting text into vim
...off the paste-mode, so that auto-indenting when you type works correctly again.
:set nopaste
However, I always found that cumbersome. That's why I map <F3> such that it can switch between paste and nopaste modes while editing the text! I add this to .vimrc
set pastetoggle=<F3>
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FloatActionBtn 扩展:悬浮操作按钮扩展,可自定义颜色、大小、图标和位置 ...
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Get current AUTO_INCREMENT value for any table
...answered Apr 4 '13 at 20:56
methaimethai
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使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
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使用虚拟现实和App Inventor进行实...
RSA 算法是如何诞生的 - 创意 - 清泛网 - 专注C/C++及内核技术
...总觉得他的气场和其余两人很不搭,各种变卦和无所谓。啊对了,Adleman 也是将计算机病毒命名为 Computer virus 的人。
RSA 算法 诞生
FloatingActionButton 扩展:悬浮操作按钮扩展,可自定义颜色、大小、位置...
... 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 搜索 ...
译文:理解Java中的弱引用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...提示一些东西,来看看有没有人突然说一声“原来是这个啊”,结果很是让我失望。我开始困惑,为什么这块的知识如此不被重视,毕竟弱引用是一个很有用途的特性,况且这个特性已经在7年前 Java 1.2发布时便引入了。
好吧,...
How to convert a PNG image to a SVG? [closed]
...nm # PNG to PNM
potrace file.pnm -s -o file.svg # PNM to SVG
Explain options
potrace -s => Output file is SVG
potrace -o file.svg => Write output to file.svg
Example
Input file = 2017.png
convert 2017.png 2017.pnm
Temporary file = 2017.pnm
potrace 2017.pnm -s -o 2017.svg
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How to capitalize the first letter in a String in Ruby
...want it to, it outputs мария instead of Мария.
If you're using Rails there's an easy workaround:
"мария".mb_chars.capitalize.to_s # requires ActiveSupport::Multibyte
Otherwise, you'll have to install the unicode gem and use it like this:
require 'unicode'
Unicode::capitalize("м...
