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How to get the source directory of a Bash script from within the script itself?

How do I get the path of the directory in which a Bash script is located, inside that script? 67 Answers ...
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What is the reason for performing a double fork when creating a daemon?

I'm trying to create a daemon in python. I've found the following question , which has some good resources in it which I am currently following, but I'm curious as to why a double fork is necessary. I've scratched around google and found plenty of resources declaring that one is necessary, but not ...
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MediaNotification 媒体通知扩展:管理媒体播放器通知,支持播放控制 · Ap...

.navbar .nav-link .mdi, .navbar .dropdown-item .mdi { margin-right: 6px; opacity: .7; } 创建 Apps 文档 文档首页 内置块参考文档 组件参考文档 拓展参考文档 概念参考文档 IoT 参考文档 技术和其他指...
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Posting a File and Associated Data to a RESTful WebService preferably as JSON

This is probably going to be a stupid question but I'm having one of those nights. In an application I am developing RESTful API and we want the client to send data as JSON. Part of this application requires the client to upload a file (usually an image) as well as information about the image. ...
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Difference between numpy.array shape (R, 1) and (R,)

In numpy , some of the operations return in shape (R, 1) but some return (R,) . This will make matrix multiplication more tedious since explicit reshape is required. For example, given a matrix M , if we want to do numpy.dot(M[:,0], numpy.ones((1, R))) where R is the number of rows (of co...
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Bootstrap 3 breakpoints and media queries

On the Bootstrap 3 media queries documentation it says: 10 Answers 10 ...
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Disabling browser print options (headers, footers, margins) from page?

I have seen this question asked in a couple of different ways on SO and several other websites, but most of them are either too specific or out-of-date. I'm hoping someone can provide a definitive answer here without pandering to speculation. ...
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Why does PHP 5.2+ disallow abstract static class methods?

After enabling strict warnings in PHP 5.2, I saw a load of strict standards warnings from a project that was originally written without strict warnings: ...
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What are the differences between type() and isinstance()?

What are the differences between these two code fragments? 7 Answers 7 ...
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Javascript calculate the day of the year (1 - 366)

How do I use javascript to calculate the day of the year, from 1 - 366? For example: 22 Answers ...