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Difference between “and” and && in Ruby?
...
Actually the guide now says to avoid and/or completely, and they might have a point. Often their usage in control flow could be more obviously written with if/unless operators anyway (e.g. document.save! unless document.saved?)
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What is the simplest way to convert a Java string from all caps (words separated by underscores) to
...es they need a routine to swap the case of letters. They implement it. You now have ~20 lines to maintain. You would have ~2 if you used the library. And don't forget the unit tests! * The accepted answer has a downside in that the method name does not describe what the code does. A well reused API ...
Protected methods in Objective-C
...) < SuperClassProtectedMethods >
@end
SuperClass.m: (compiler will now force you to add protected methods)
#import "SuperClassProtectedMethods.h"
@implementation SuperClass
- (void) protectedMethod:(NSObject *)foo {}
@end
SubClass.m:
#import "SuperClassProtectedMethods.h"
// Subclass can...
Disabling Chrome cache for website development
...iller that clears the cache on every page load.
Chrome Store Link (free)
(Now without malware!)
Now my mock json, javascript, css, html and data refreshes every time on every page load.
I never have to worry if I need to clear my cache.
There are about 20 cache cleaners for Chrome I found, but ...
What happens to C# Dictionary lookup if the key does not exist?
...corresponding value
}
else
{
// Key wasn't in dictionary; "value" is now 0
}
(Using ContainsKey and then the the indexer makes it look the key up twice, which is pretty pointless.)
Note that even if you were using reference types, checking for null wouldn't work - the indexer for Dictionary...
PHPUnit: assert two arrays are equal, but order of elements not important
...unit with a new assertion method. But here's an idea for a simpler way for now. Untested code, please verify:
Somewhere in your app:
/**
* Determine if two associative arrays are similar
*
* Both arrays must have the same indexes with identical values
* without respect to key ordering
*
*...
Set up Heroku and GoDaddy? [closed]
...it took about 10 minutes.
That's it! supermoo-bil-3411.herokuapp.com will now be under www.example.com :)
Create a naked domain:
A naked domain removes the need to write www in front of your domain name. This can be done by forwarding example.com to www.example.com. This is super easy on GoDaddy...
Can I change the size of UIActivityIndicator?
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I love the one line solutions for simple matters! Now the only issue is how to anti alias it. At twice the size it looks a bit rough on Apple TV
– Michele Dall'Agata
Jul 29 '18 at 8:08
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Cannot hide status bar in iOS7
I just upgraded my iPhone 5 iOS 7 to four beta version. Now when I run my app from Xcode 5 on this iPhone, status bar doesn’t hide, even though it should.
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How to avoid “cannot load such file — utils/popen” from homebrew on OSX
...ks! Though, changing permissions on /usr/local doesn't seem to be required now. "Homebrew no longer needs to have ownership of /usr/local. If you wish you can return /usr/local to its default ownership with: sudo chown root:wheel /usr/local"
– Bert
Nov 1 '16...