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How to do an update + join in PostgreSQL?
Basically, I want to do this:
9 Answers
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How to replace an entire line in a text file by line number
I have a situation where I want a bash script to replace an entire line in a file.
The line number is always the same, so that can be a hard-coded variable.
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Missing return statement in a non-void method compiles
I encountered a situation where a non-void method is missing a return statement and the code still compiles.
I know that the statements after the while loop are unreachable (dead code) and would never be executed. But why doesn't the compiler even warn about returning something? Or why would a...
How to make a class JSON serializable
How to make a Python class serializable?
33 Answers
33
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Python name mangling
In other languages, a general guideline that helps produce better code is always make everything as hidden as possible. If in doubt about whether a variable should be private or protected, it's better to go with private.
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Algorithms based on number base systems? [closed]
I've noticed recently that there are a great many algorithms out there based in part or in whole on clever uses of numbers in creative bases. For example:
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What is the difference between Debug and Release in Visual Studio?
What is the difference between Debug and Release in Visual Studio?
10 Answers
10
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使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
... 我要反馈 var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefo...
new keyword in method signature
While performing a refactoring, I ended up creating a method like the example below. The datatype has been changed for simplicity's sake.
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