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What is the motivation for bringing Symbols to ES6?
...on in Ruby is needless; we could easily use plain strings instead, like we do in JavaScript. And now they decide to complicate things in JS with that.
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How do I test if a string is empty in Objective-C?
How do I test if an NSString is empty in Objective-C?
30 Answers
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Error: The 'brew link' step did not complete successfully
...irst. Recommendations from nate worked for me.
– Brandon Clapp
Aug 12 '15 at 0:58
How do i reinstall npm? Or does it ...
How to loop through an array containing objects and access their properties
... objects contained in an array and change the properties of each one. If I do this:
15 Answers
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Join a list of items with different types as string in Python
...ere's nothing wrong with passing integers to str. One reason you might not do this is that myList is really supposed to be a list of integers e.g. it would be reasonable to sum the values in the list. In that case, do not pass your ints to str before appending them to myList. If you end up not conve...
How to wrap async function calls into a sync function in Node.js or Javascript?
... be changed to return merely a promise or demand a callback parameter. How do you meet both requirements?
10 Answers
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What are best practices that you use when writing Objective-C and Cocoa? [closed]
...ow about the HIG (which is quite handy!), but what programming practices do you use when writing Objective-C, and more specifically when using Cocoa (or CocoaTouch).
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Swift: #warning equivalent
Does Swift have a #warning equivalent?
It's simply used to show a warning in Xcode's own GUI
14 Answers
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How do I remove a MySQL database?
...base cannot be dropped, even though you have no typos in the statement and do not miss the ; at the end, enclose the database name in between backticks:
mysql> drop database `my-database`;
Backticks are for databases or columns, apostrophes are for data within these.
For more information, see...
Passing Data between View Controllers
...erB
To pass a BOOL value from ViewControllerA to ViewControllerB we would do the following.
in ViewControllerB.h create a property for the BOOL
@property (nonatomic, assign) BOOL isSomethingEnabled;
in ViewControllerA you need to tell it about ViewControllerB so use an
#import "ViewController...