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Where can I find the Java SDK in Linux after installing it?
I installed JDK using apt-get install but I don't know where my jdk folder is. I need to set the path for that. Does any one have a clue on the location?
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append new row to old csv file python
I am trying to add a new row to my old csv file. Basically, it gets updated each time I run the Python script.
7 Answers
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One DbContext per web request… why?
...up Entity Framework's DbContext so that only one is created and used per HTTP web request using various DI frameworks.
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PHP: How to remove all non printable characters in a string?
...$string = preg_replace( '/[^[:print:]]/', '',$string);
For reference see http://www.fileformat.info/info/charset/UTF-8/list.htm
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Regex expressions in Java, \\s vs. \\s+
...ch more of the string, if it prevents the regex match from failing. from http://www.coderanch.com/t/570917/java/java/regex-difference
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Strtotime() doesn't work with dd/mm/YYYY format
I really like the strtotime() function, but the user manual doesn't give a complete description of the supported date formats. strtotime('dd/mm/YYYY') doesn't work, it works only with mm/dd/YYYY format.
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Cartesian product of x and y array points into single array of 2D points
I have two numpy arrays that define the x and y axes of a grid. For example:
13 Answers
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GIF Animated 扩展：可点击透明背景动画GIF播放器 · App Inventor 2 中文网
..._gif_animado_v2.aia - 完整示例项目 (1.8 MB)
更多扩展请访问：http://kio4.com/appinventor/index.htm#extensiones
功能概述
GIF Animated 扩展提供以下主要功能：
GIF动画播放：在应用中显示动画GIF文件
透明背景支持：设置颜...
Unix command to prepend text to a file
Is there a Unix command to prepend some string data to a text file?
16 Answers
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Lost my schema.rb! Can it be regenerated?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...