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How to tell if node.js is installed or not
...type node -v, a prompt opens and closes quickly. Node is def installed but based on other answers I'm expecting to be able to read something. How do I keep the prompt open?
– wazz
Dec 27 '17 at 21:06
...
Read a zipped file as a pandas DataFrame
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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About Android image and asset sizes
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Based on kcoppock's answer I have created the following shell script to automatically resize all images to the correct size and copy them in the respective Android drawable-* - folders!
Create a shell script and paste the fo...
Maximum length of the textual representation of an IPv6 address?
...ou have an IPv4-mapped IPv6 address, the last two groups can be written in base 10 separated by ., eg. [::ffff:192.168.100.228]. Written out fully:
0000:0000:0000:0000:0000:ffff:192.168.100.228
(6 * 4 + 5) + 1 + (4 * 3 + 3) = 29 + 1 + 15 = 45
Note, this is an input/display convention - it's ...
What is an anti-pattern?
...Smells: Managing technical debt")
There are many design smells classified based on violating design principles:
Abstraction smells
Missing Abstraction: This smell arises when clumps of data or encoded strings are used instead of creating a class or an interface.
Imperative Abstraction: This smel...
地图组件（高德地图） · App Inventor 2 中文网
...GeoJSON 解析为 (键, 值) 对的 特征 列表。
失败时，将触发 加载出错 事件，并返回通用的 HTTP 响应代码和错误消息。
平移并缩放(纬度,经度,缩放)
将地图中心平移至给定的经纬度，并将缩放级别调...
Is it possible to install iOS 6 SDK on Xcode 5?
...ith Xcode 5.
See How to point Xcode to an old SDK so it can be used as a "Base SDK"? for details on how to set it up. You can use my fix-xcode
script to link everything for you every time you upgrade.
The only trick is getting the old SDKs. If you don't have them, you generally need to download o...
How to inspect the return value of a function in GDB?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?
....42
// Delay 2 seconds
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, Int64(2.0 * Double(NSEC_PER_SEC))), dispatch_get_main_queue()) { () -> Void in
println("Sum of times: \(time1 + time2)")
}
Objective C
CGFloat time1 = 3.49;
CGFloat time2 = 8.13;
// Delay 2 seconds
dispatch_after(...
实战Nginx与PHP（FastCGI）的安装、配置与优化 - 更多技术 - 清泛网 - 专注...
...程数。根据官方建议，小于2GB内存的服务器，可以只开启64个进程，4GB以上内存的服务器可以开启200个进程。
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标签request_terminate_timeout用于设置FastCGI执行脚本的时间。默认是0s，也就是无限执行下...