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Undoing a 'git push'
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You need to make sure that no other users of this repository are fetching the incorrect changes or trying to build on top of the commits that you want removed because you are about to rewind history.
Then you need to 'force' push the old reference.
git push -f origin last_known_g...
How can I change the color of pagination dots of UIPageControl?
I am developing an application in which I want to change either color or image of UIPageControl pagination dots. How can I change it? Is it possible to customize UIpageControl on above scenario?
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What and where are the stack and heap?
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The stack is the memory set aside as scratch space for a thread of execution. When a function is called, a block is reserved on the top of the stack for local variables and some bookkeeping data. When that function returns, the block becomes u...
Passing a single item as IEnumerable
... which expects an IEnumerable<T> parameter? Language is C#, framework version 2.0.
18 Answers
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How to get indices of a sorted array in Python
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If you are using numpy, you have the argsort() function available:
>>> import numpy
>>> numpy.argsort(myList)
array([0, 1, 2, 4, 3])
http://docs.scipy.org/doc/numpy/reference/generated/numpy.argsort.html
This returns the arguments that would so...
Default value of 'boolean' and 'Boolean' in Java
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The default value for a Boolean (object) is null.
The default value for a boolean (primitive) is false.
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Is there some way to PUSH data from web server to browser?
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Yes, what you're looking for is COMET http://en.wikipedia.org/wiki/Comet_(programming). Other good Google terms to search for are AJAX-push and reverse-ajax.
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Artificially create a connection timeout error
... in our software that occurs when I receive a connection timeout. These errors are very rare (usually when my connection gets dropped by our internal network). How can I generate this kind of effect artificially so I can test our software?
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C/C++中的段错误（Segmentation fault） - C/C++ - 清泛网 - 专注C/C++及内核技术
...是来自Answers.com的定义：
A segmentation fault (often shortened to segfault) is a particular error condition that can occur during the operation of computer software. In short, a segmentation fault occurs when a program attempts to access a memory location that it is not allowed t...
How to run Rake tasks from within Rake tasks?
I have a Rakefile that compiles the project in two ways, according to the global variable $build_type , which can be :debug or :release (the results go in separate directories):
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