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Check if the number is integer
... @PatrickT You are in the realm of machine dependent rounding errors. In that respect my solution is the same as the accepted one 1.0000000000000001 == 1L [1] TRUE. But my solution is better if you already get a number in string form check.integer("1000000000000000000000000000000000001...
What's the difference between lists and tuples?
... and address in a customer record; in fact, doing so would generally be an error, which the tuple's immutability prevents you from committing.
– kindall
Oct 28 '13 at 18:58
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How to save/restore serializable object to/from file?
...}
NOTE: This code hasn't been compiled, let alone run- there may be some errors. Also, this assumes completely out-of-the-box serialization/deserialization. If you need custom behavior, you'll need to do additional work.
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高并发服务端分布式系统设计概要 - C/C++ - 清泛网 - 专注C/C++及内核技术
...图中的Client部分。显然这个模块就是面向Web的接口，后面连接我们的“山推”系统，它可以包含诸多业务逻辑，最重要的，是要缓存group的信息。在Client和Web之间，还可以有诸如Nginx之类的反向代理服务器存在，做进一步性能提...
How to push to a non-bare Git repository?
I usually work on a remote server via ssh (screen and vim), where I have a Git repository. Sometimes I'm not online, so I have a separate repository (cloned from my remote) on my laptop.
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How do I import a specific version of a package using go get?
...ble builds.
– CAFxX
Jun 14 '18 at 6:05
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Sequence-zip function for c++11?
With the new range-based for loop we can write code like
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How can I copy & paste, or duplicate, an existing project?
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How to move screen without moving cursor in Vim?
I recently discovered Ctrl + E and Ctrl + Y shortcuts for Vim that respectively move the screen up and down with a one line step, without moving the cursor .
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Most pythonic way to delete a file which may not exist
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A more pythonic way would be:
try:
os.remove(filename)
except OSError:
pass
Although this takes even more lines and looks very ugly, it avoids the unnecessary call to os.path.exists() and follows the python convention of overusing exceptions.
It may be worthwhile to write a functio...