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Get current AUTO_INCREMENT value for any table
...answered Apr 4 '13 at 20:56
methaimethai
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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
...
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...
Detecting iOS / Android Operating system
...dow.opera;
// Windows Phone must come first because its UA also contains "Android"
if (/windows phone/i.test(userAgent)) {
return "Windows Phone";
}
if (/android/i.test(userAgent)) {
return "Android";
}
// iOS detection from: http://stackoverflow.com/a/90...
StringUtils 字符串工具扩展：强大的文本处理工具集 · App Inventor 2 中文网
... 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 ...
Detect iPad users using jQuery?
...ption is incorrect as iOS apps can and do customize their user agent. The main offender here is Facebook.
Compare these user agent strings from iOS devices:
# iOS Safari
iPad: Mozilla/5.0 (iPad; CPU OS 5_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B176 Safari/7534.4...
高并发服务端分布式系统设计概要 - C/C++ - 清泛网 - 专注C/C++及内核技术
...，这个很不常见，因为它没有任何压力，而且挂掉了必须人工干预才能修复。在GFS + Bigtable里，这个Global Heartbeat叫做Lock Service。
现在接着设计我们的“山推”系统。有了前面两篇的铺垫，我们的系统现在已经有了五脏六腑，...
How can I concatenate two arrays in Java?
...files where some of the facilities like those mentioned by Antti are not available.
– kvn
Feb 7 '11 at 15:46
4
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DaffyMenu 扩展：弹出菜单扩展，为组件添加弹出式菜单功能 · App Inventor 2 中文网
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App Inventor 2 构建纯血鸿蒙 HarmonyOS App · App Inventor 2 中文网
... 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 ...