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Sum a list of numbers in Python
...starters a[0:len(a)] creates a copy of a, what's the point besides wasting CPU & memory? then print(sm) also works in python 2. I don't understand why this has so many upvotes in mid-2017... but it applies to most of the answers here.
– Jean-François Fabre♦
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Easy way to concatenate two byte arrays
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Whether it's wasting cpu and memory depends on how often you do the operation. If it's a billion times a second - sure, optimize it. Otherwise, readability and maintainability might be the winning considerations.
– vikingste...
Create a string with n characters
...te for Hotspot compilation, and stands a better chance of being found your CPU cache. Future JVMs may assign it as an intrinsic function. Rolling your own cuts you off from all this performance goodness...
– SusanW
Aug 5 '16 at 12:26
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Recommended method for escaping HTML in Java
...ers when the OP asked to escape the 4 relevant characters? You are wasting CPU and memory.
– David Balažic
Sep 20 '18 at 10:51
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win7 安装项目管理工具redmine2.5.1 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
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成功！
八、附录
1、解决 webrick响应慢的问题：
修改C:\RailsInstaller\Ruby1.9.3\lib\ruby\1.9.1\webrick\ 目录中的server.rb 和httprequest.rb文件。
server.rb中的184行：
addr = sock.peeraddr
改为
addr = sock.peeraddr(:numeric )
h...
How to determine total number of open/active connections in ms sql server 2005
...5/win 2003 Application occasionally becomes very unresponsive, the memory/cpu usage does not spike. If i try to open any new connection from sql management studio, then the it just hangs at the open connection dialog box.
how to deterime the total number of active connections ms sql server 2005
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MFC的多国语言界面的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...） 通过点击菜单来测试软件的语言切换。
6. MessageBox的问题
由于MessageBox中的按钮的语言是跟操作系统相关的，要想实现MessageBox按钮的多语言化是很有一定难度的。我现在还没有查到好的解决方法，很多网友的建议是抛弃Messa...
Logic to test that 3 of 4 are True
...ranching solutions were quite a bit quicker operation-for-operation as the CPU could predict the code path better, and execute more operations in tandem. There is about 50% less work in the branching statement here though.
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Replacing a char at a given index in string? [duplicate]
... bit on how to make a decent function that does what I need. I suppose the CPU cost is high, but the string sizes are small so it's all ok
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Zero-based month numbering [closed]
...gister, they XOR'ed the register with itself, which was slightly faster in CPU cycles. This meant that counting would start with 0 and would always be up to the length of elements, excluding the last one.
Also, the use of zero is also popular with pointer arithmetics where you would use one base po...