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Objective-C class -> string like: [NSArray className] -> @“NSArray”
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Class arrayClass = NSClassFromString (name);
id anInstance = [[arrayClass alloc] init];
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git update-index --assume-unchanged returns “fatal unable to mark file”
... reset my git first:
Problem:
git update-index --assume-unchanged index.php
fatal: Unable to mark file index.php
Solution:
git reset HEAD
Unstaged changes after reset:
M index.php
git update-index --assume-unchanged index.php
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How can I concatenate two arrays in Java?
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@djBo: what about:ByteBuffer buffer = ByteBuffer.allocate(array1.length + array2.length); buffer.put(array1); buffer.put(array2); return buffer.array();
– Sam Goldberg
Dec 2 '11 at 15:29
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Mapping over values in a python dictionary
...e function the way you want (the name chosen in this answer is inspired by PHP's array_walk() function).
Note: Neither the try-except block nor the return statements are mandatory for the functionality, they are there to further mimic the behavior of the PHP's array_walk.
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Using std Namespace
...just those spefcific names brought into the current namespace. By the same token, I think it would be crazy and a bookkeeping hassle to have 25 or 30 using-declarations when a single using-directive would do the trick just as well.
It's also good to keep in mind that there are times when you must u...
How to check if AlarmManager already has an alarm set?
...omponents, flags), it will receive a PendingIntent
representing the same token if that is still valid, and can thus call
cancel() to remove it.
In short, your PendingIntent should have the same features (operation and intent's structure) to take control over it.
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Utilizing the GPU with c# [closed]
... WinForms and XNA into hybrid applications:
http://www.ziggyware.com/news.php?readmore=866
You'll have to put some effort into learning shader programming (XNA supports HLSL), but this may be a simpler approach than learning a vendor-specific solution such as nVidia's CUDA. The advantage is that y...
What is the best open XML parser for C++? [duplicate]
...inyXML if you're concerned about efficiency/memory management (it tends to allocate lots of tiny blocks). My personal favourite is RapidXML.
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Multiple arguments to function called by pthread_create()?
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main() has it's own thread and stack variables. either allocate memory for 'args' in the heap or make it global:
struct arg_struct {
int arg1;
int arg2;
}args;
//declares args as global out of main()
Then of course change the references from args->arg1 to args.arg...
An efficient way to transpose a file in Bash
... rs -c' ' -C' ' -T < rows.seq > cols.seq gives rs: no memory: Cannot allocate memory. This is a system running FreeBSD 11.0-RELEASE with 32 GB of ram. So, my guess is that rs puts everything in RAM, which is good for speed, but not for large data.
– jrm
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