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What is the right way to check for a null string in Objective-C?
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I have found that in order to really do it right you end up having to do something similar to
if ( ( ![myString isEqual:[NSNull null]] ) && ( [myString length] != 0 ) ) {
}
Otherwise you get weird situations where control...
Why would one use nested classes in C++?
...lection and Element - bad, because the name "Element" is general enough in order to cause a possible name clash
introduce a namespace someSpecificCollection and declare classes someSpecificCollection::Collection and someSpecificCollection::Element. No risk of name clash, but can it get any more verb...
configure Git to accept a particular self-signed server certificate for a particular https remote
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Class does not implement its superclass's required members
...ype to be Self (Swift's equivalent of Objective-C's instanceType). But in order to do this, I actually need to use a required initializer method.
class Box {
var size: CGSize
init(size: CGSize) {
self.size = size
}
class func factory() -> Self {
return self.init(...
Best explanation for languages without null
...ut I appreciate that you are just using a simplified model of the world in order to communicate gratitude, so I won't quibble more about the flawed assumptions of your world-model. :P (So much complexity in the real world! :) )
– Brian
Oct 22 '10 at 17:07
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How can I make an entire HTML form “readonly”?
...ion to just list the 'selected' items, without checkboxes. Like on a pizza order confirmation: just list all the ingredients you selected.
– marc82ch
Feb 20 '15 at 12:53
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Why do access tokens expire?
...the client ID and client secret are needed along with the refresh token in order to generate the new access token.
– Spike
Feb 8 '12 at 20:43
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Mark error in form using Bootstrap
I've started using Bootstrap in order to achieve a nice page design without resorting to GWT (the backend is made in java)
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What is a reasonable code coverage % for unit tests (and why)? [closed]
...eting priorities, code coverage races to 0%. We need a required number in order to build the unit testing habit within the team. I came to this question looking for some guidance on determining that number for an area I am not very familiar with, and this is really no help at all. I'm glad people...
How to close a Java Swing application from the code
...m lacking extraneous threads without explicitly calling System.exit(). In order to apply this example to applications using threads/listeners/timers/etc, one need only insert cleanup code requesting (and, if applicable, awaiting) their termination before the WindowEvent is manually initiated within...