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UIPanGestureRecognizer - Only vertical or horizontal
...rtically. So in the recognizer callback, I only update the y-coordinate to move it. The superview of this view, has a UIPanGestureRecognizer that will drag the view horizontally, just updating the x-coordinate.
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NSUserDefaults not cleared after app uninstall on simulator
this may sound real NOOB! I want to check if it's the second time the user enters my application, so to keep the run count I'm using NSUserDefaults . I have implemented the following code in my rootViewController 's viewDidLoad method:
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Do you have to restart apache to make re-write rules in the .htaccess take effect?
I have pushed my .htaccess files to the production severs, but they don't work. Would a restart be the next step, or should I check something else.
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How to COUNT rows within EntityFramework without loading contents?
I'm trying to determine how to count the matching rows on a table using the EntityFramework.
7 Answers
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Create singleton using GCD's dispatch_once in Objective-C
...ly acceptable and thread-safe way to create an instance of your class. It may not technically be a "singleton" (in that there can only ever be 1 of these objects), but as long as you only use the [Foo sharedFoo] method to access the object, this is good enough.
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How do I create a variable number of variables?
How do I accomplish variable variables in Python?
14 Answers
14
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How do I check for C++11 support?
Is there a way to detect at compile-time if the compiler supports certain features of C++11? For example, something like this:
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Integer division with remainder in JavaScript?
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For some number y and some divisor x compute the quotient (quotient) and remainder (remainder) as:
var quotient = Math.floor(y/x);
var remainder = y % x;
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sphinx-build fail - autodoc can't import/find module
I'm trying to get started with Sphinx and seem to have relentless problems.
7 Answers
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What does .SD stand for in data.table in R
.SD looks useful but I do not really know what I am doing with it. What does it stand for? Why is there a preceding period (full stop). What is happening when I use it?
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