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What is a build tool?

...ling,linking and packaging the code into a usable or executable form. Basically build automation is the act of scripting or automating a wide variety of tasks that software developers do in their day-to-day activities like: Downloading dependencies. Compiling source code into binary code. Packaging...
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The current branch is not configured for pull No value for key branch.master.merge found in configur

...u switch (git push -u origin master). This will set everything up automatically. share | improve this answer | follow | ...
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How does database indexing work? [closed]

... pointer to the record it relates to. This index structure is then sorted, allowing Binary Searches to be performed on it. The downside to indexing is that these indices require additional space on the disk since the indices are stored together in a table using the MyISAM engine, this file can quic...
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Uninstall old versions of Ruby gems

... # remove all old versions of the gem gem cleanup rjb # choose which ones you want to remove gem uninstall rjb # remove version 1.1.9 only gem uninstall rjb --version 1.1.9 # remove all versions less than 1.3.4 gem uninstall rjb --v...
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Homebrew install specific version of formula?

How do I install a specific version of a formula in homebrew? For example, postgresql-8.4.4 instead of the latest 9.0. 27 ...
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How to keep the console window open in Visual C++?

...ause") or any other garbage. Changing this works. – Callat Apr 22 '16 at 16:08 Ctrl+F5 means 'Start Without Debugging'...
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What is copy-on-write?

...gy used in computer programming. The fundamental idea is that if multiple callers ask for resources which are initially indistinguishable, you can give them pointers to the same resource. This function can be maintained until a caller tries to modify its "copy" of the resource, at which point a true...
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How can I unit test Arduino code?

I'd like to be able to unit test my Arduino code. Ideally, I would be able to run any tests without having to upload the code to the Arduino. What tools or libraries can help me with this? ...
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在 App Inventor 2 中使用图像 · App Inventor 2 中文网

...crashes[a] when they try to run it, with an error message like: Failed to allocate a 25165836 byte allocation with 3395432 free bytes and 3MB until OOM What’s happening here is that the app is is running out of memory (OOM). In the case of the message above, the phone is trying to allocate 25 m...
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Is there a naming convention for Django apps

...-app" would be a syntax error). PEP 8 says: Modules should have short, all-lowercase names. Underscores can be used in the module name if it improves readability. Python packages should also have short, all-lowercase names, although the use of underscores is discouraged. So, 1 and 3 ar...