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Check that an email address is valid on iOS [duplicate]
... emailRegex];
BOOL isValid = [emailTest evaluateWithObject:checkString];
Read a full article about this approach at cocoawithlove.com.
iOS 2.x
Does not include any regular expression matching in the Cocoa libraries. However, you can easily include RegexKit Lite in your project, which gives you a...
How to pause for specific amount of time? (Excel/VBA)
...lication.Wait(Now + TimeValue("00:00:01"))
because it is a lot easier to read afterwards.
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How do you see the entire command history in interactive Python?
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Use readline.get_current_history_length() to get the length, and readline.get_history_item() to view each.
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Error when deploying an artifact in Nexus
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user does not have access to the specific repository target
artifact is already deployed with that version if it is a release (not -SNAPSHOT version)
the repository is not suitable for deployment of the respective artifact (e.g. release repo for snapshot version, proxy repo or group instead of a ho...
What is a Python equivalent of PHP's var_dump()? [duplicate]
...esentation of some object - you use repr(). In order to have non-official (read human-readable) you can always force conversion to string: str(object), which produces info similar to php's print_r() (used much more ofter for debugging than var_dump).
– Victor Farazdagi
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Min/Max of dates in an array?
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Exactly, read about it in Eloquent Javascript: function foreach(func, array) { for(var i = 0; i != array.length; ++i) { func(array[i]); } } function reduce(combine, base, array) { foreach(function(element) {...
iPhone UIView Animation Best Practice
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In the UIView docs, have a read about this function for ios4+
+ (void)transitionFromView:(UIView *)fromView toView:(UIView *)toView duration:(NSTimeInterval)duration options:(UIViewAnimationOptions)options completion:(void (^)(BOOL finished))completio...
Why do we use volatile keyword? [duplicate]
...le keyword usually has special properties related to optimization and/or threading. Generally speaking, the volatile keyword is intended to prevent the (pseudo)compiler from applying any optimizations on the code that assume values of variables cannot change "on their own." (c) Wikipedia
http://e...
Is it possible to use Visual Studio on macOS?
... use the new Visual Studio for Mac, which Microsoft launched in November.
Read about it here: https://msdn.microsoft.com/magazine/mt790182
Download a preview version here: https://www.visualstudio.com/vs/visual-studio-mac/
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Adding div element to body or document in JavaScript
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-1. This is an awful way to achieve this. If you are reading this, do not use this slow and dated solution. Look at the answer by @peter-t
– MacroMan
Jul 17 '17 at 15:50
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