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C# vs C - Big performance difference
... happens to match the native operation mode of the FPU and SSE instruction set on x86 and x64 processors. No coincidence there. The JITter compiles Math.Sqrt() to a few inline instructions.
Native C/C++ is saddled with years of backwards compatibility. The /fp:precise, /fp:fast and /fp:strict co...
App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网
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应用场景参考
物联网设备控制：通过WIFI UDP通信，可以实现对物联网设备的远程控制和数据采集。
实时数据传输：在需要实时数据传输的应用中，如实时监控、实时游戏等，UDP通信可以提供高效的传输方式。...
How to see full query from SHOW PROCESSLIST
When I issue SHOW PROCESSLIST query, only first 100 characters of the running SQL query are returned in the info column.
5 ...
Is there a better Windows Console Window? [closed]
...ief excerpt from the long list of options:
Latest versions of ConEmu may set up itself as default terminal for Windows
Use any font installed in the system, or copied to a folder of the program (ttf, otf, fon, bdf)
Run selected tabs as Administrator (Vista+) or as selected user
Windows 7 Jump list...
What is the Git equivalent for revision number?
...d, cannot describe anything." - Stack Overflow; meaning that you'd have to set up tags yourself.
– sdaau
Apr 21 '13 at 19:41
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List all of the possible goals in Maven 2?
...s guide, read further).
To get things working, first follow this guide to setup bash completion on your computer. Then, it's time to get a script for Maven2 and:
While you could use the one from the mini guide
While you use an improved version attached to MNG-3928
While you could use a random s...
Install an apk file from command prompt?
I want to install a file using the Windows command line. First I want to build after compiling all the .jar files to create an .apk file for an Android application without using Eclipse.
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RESTful way to create multiple items in one request
... If the POST request succeeds in its entirety the user is presented with a set of forms for each image resource representation created that allows them to specify more details about each (name, description, etc).
In the event that one or more resources fails to be created, the POST handler aborts a...
What is Rack middleware?
What is Rack middleware in Ruby? I couldn't find any good explanation for what they mean by "middleware".
9 Answers
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Repeating characters in VIM insert mode
Is there a way of repeating a character while in Vim's insert mode? For example, say I would like to insert 80 dashes, in something like emacs I would type:
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