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What's the $unwind operator in MongoDB?

...om your mind. The way that it stores your data is in the form of documents and collections, which allows for a dynamic means of adding and obtaining the data from your storage locations. That being said, in order to understand the concept behind the $unwind parameter, you first must understand what...
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What is the Linux equivalent to DOS pause?

...er presses a key. In DOS, this is easily accomplished with the "pause" command. Is there a Linux equivalent I can use in my script? ...
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Spring Boot application as a Service

... system? Is this recommended approach, or should I convert this app to war and install it into Tomcat? 19 Answers ...
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C/C++ check if one bit is set in, i.e. int variable

... there such a way to check if bit 3 in temp is 1 or 0 without bit shifting and masking. 21 Answers ...
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What does “|=” mean? (pipe equal operator)

I tried searching using Google Search and Stack Overflow, but it didn't show up any results. I have seen this in opensource library code: ...
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How do I get a Cron like scheduler in Python? [closed]

I'm looking for a library in Python which will provide at and cron like functionality. 9 Answers ...
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Specifying and saving a figure with exact size in pixels

... Matplotlib doesn't work with pixels directly, but rather physical sizes and DPI. If you want to display a figure with a certain pixel size, you need to know the DPI of your monitor. For example this link will detect that for you. If you have an image of 3841x7195 pixels it is unlikely that you m...
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Getting current date and time in JavaScript

I have a script that prints the current date and time in JavaScript, but the DATE is always wrong. Here is the code: 27 A...
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Tips for debugging .htaccess rewrite rules

Many posters have problems debugging their RewriteRule and RewriteCond statements within their .htaccess files. Most of these are using a shared hosting service and therefore don't have access to the root server configuration. They cannot avoid using .htaccess files for rewriting and cannot e...
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How do I get the 'clear' command in Cygwin?

...appear to be in the current cygwin 64-bit version. – Andrew Prock Sep 23 '13 at 16:42 6 @AndrewPr...