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Concept of void pointer in C programming
Is it possible to dereference a void pointer without type-casting in the C programming language?
15 Answers
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Redirecting Output from within Batch file
I am creating a batch file with some simple commands to gather information from a system. The batch file contains commands to get the time, IP information, users, etc.
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Ubuntu running `pip install` gives error 'The following required packages can not be built: * freety
When performing pip install -r requirements.txt , I get the following error during the stage where it is installing matplotlib :
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How do detect Android Tablets in general. Useragent?
I have looked everywhere. We are using a Motorola Zoom to try our tablet site testing.
The issue is that the Android Useragent is a general Useragent and there is no difference between tablet Android and mobile Android. I don't want to just target a specific device like the Xoom Useragent since And...
String comparison in Python: is vs. == [duplicate]
...the loop condition was while line is not '' . Running through it in the debugger, it turned out that line was in fact '' . When I changed it to !='' rather than is not '' , it worked fine.
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Disable Rails SQL logging in console
Is there a way to disable SQL query logging when I'm executing commands in the console? Ideally, it would be great if I can just disable it and re-enable it with a command in the console.
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How do you merge two Git repositories?
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A single branch of another repository can be easily placed under a subdirectory retaining its history. For example:
git subtree add --prefix=rails git://github.com/rails/rails.git master
This will appear as a single commit where al...
How to do case insensitive search in Vim
I'd like to search for an upper case word, for example COPYRIGHT in a file. I tried performing a search like:
14 Answers
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Is there a method to generate a UUID with go language
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u[8] = (u[8] | 0x80) & 0xBF // what's the purpose ?
u[6] = (u[6] | 0x40) & 0x4F // what's the purpose ?
These lines clamp the values of byte 6 and 8 to a specific range. rand.Read returns random bytes in the range 0-255, which are not all valid...
Equation (expression) parser with precedence?
...veloped an equation parser using a simple stack algorithm that will handle binary (+, -, |, &, *, /, etc) operators, unary (!) operators, and parenthesis.
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