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Function pointers, Closures, and Lambda
...et a pointer to a trampoline, a dynamically constructed piece of code that sets up the static link pointer and then calls the real function, which uses the static link pointer to access the variables of the outer function.
The upwards funargs problem is more difficult. GCC does not prevent you from...
When does a process get SIGABRT (signal 6)?
...arios where a process gets a SIGABRT in C++? Does this signal always come from within the process or can this signal be sent from one process to another?
...
How can I have grep not print out 'No such file or directory' errors?
I'm grepping through a large pile of code managed by git, and whenever I do a grep, I see piles and piles of messages of the form:
...
Format string, integer with leading zeros
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How to split a file into equal parts, without breaking individual lines? [duplicate]
I was wondering if it was possible to split a file into equal parts ( edit: = all equal except for the last), without breaking the line? Using the split command in Unix, lines may be broken in half. Is there a way to, say, split up a file in 5 equal parts, but have it still only consist of whole li...
How to use git bisect?
...ou can study it to find the issue. Once this is done, you use git bisect reset to put everything back on the original state before using git bisect command.
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Java: int array initializes with nonzero elements
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Simple (non-secure) hash function for JavaScript? [duplicate]
Can anyone suggest a simple (i.e. tens of lines of code, not hundreds of lines) hash function written in (browser-compatible) JavaScript? Ideally I'd like something that, when passed a string as input, produces something similar to the 32 character hexadecimal string that's the typical output of MD...
What is the smallest possible valid PDF?
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How can I pass arguments to a batch file?
...
Another useful tip is to use %* to mean "all". For example:
echo off
set arg1=%1
set arg2=%2
shift
shift
fake-command /u %arg1% /p %arg2% %*
When you run:
test-command admin password foo bar
the above batch file will run:
fake-command /u admin /p password admin password foo bar
I may h...