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How to get the number of characters in a std::string?
How should I get the number of characters in a string in C++?
12 Answers
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Google Maps V3 - How to calculate the zoom level for a given bounds
I'm looking for a way to calculate the zoom level for a given bounds using the Google Maps V3 API, similar to getBoundsZoomLevel() in the V2 API.
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iPhone App Icons - Exact Radius?
I'm trying to create the icon for my iPhone app, but don't know how to get the exact radius that the iPhone's icons use. I've searched and searched for a tutorial or a template but can't find one.
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What is the best way to ensure only one instance of a Bash script is running? [duplicate]
What is the simplest/best way to ensure only one instance of a given script is running - assuming it's Bash on Linux?
14 An...
What is the difference between CMD and ENTRYPOINT in a Dockerfile?
In Dockerfiles there are two commands that look similar to me: CMD and ENTRYPOINT . But I guess that there is a (subtle?) difference between them - otherwise it would not make any sense to have two commands for the very same thing.
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multiprocessing: sharing a large read-only object between processes?
Do child processes spawned via multiprocessing share objects created earlier in the program?
8 Answers
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Cross-browser custom styling for file upload button [duplicate]
I'm trying to style a file upload button to my personal preferences, but I couldn't find any really solid ways to do this without JS. I did find two other questions about this subject, but the answers there either involved JavaScript, or suggested Quirksmode's approach .
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What are the differences between type() and isinstance()?
What are the differences between these two code fragments?
7 Answers
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Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...，用在很多需要性能的地方，比如：游戏脚本，nginx，wireshark的脚本，当你把他的源码下下来编译后，你会发现解释器居然不到200k，这是多么地变态啊（/bin/sh都要1M，MacOS平台），而且能和C语言非常好的互动。我很好奇得浏览了...
Type Checking: typeof, GetType, or is?
I've seen many people use the following code:
14 Answers
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