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What does “=>” mean in PHP?
What does the => operator mean in the following code?
6 Answers
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How to remove an element from an array in Swift
How can I unset/remove an element from an array in Apple's new language Swift?
18 Answers
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How to pinch out in iOS simulator when map view is only a portion of the screen?
I have a view on the iPad that I am adding an MKMapView to that is say half the height of the full screen. However, when I try to pinch out on the iOS Simulator it doesn't work since the to nubs fill the entire iPad view on the simulator.
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Why not use exceptions as regular flow of control?
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Have you ever tried to debug a program raising five exceptions per second in the normal course of operation ?
I have.
The program was quite complex (it was a distributed calculation server), and a slight modification at one side of the program could easily break som...
What is Scala's yield?
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It is used in sequence comprehensions (like Python's list-comprehensions and generators, where you may use yield too).
It is applied in combination with for and writes a new element into the resulting sequence.
Simple example (from sc...
Best way to handle list.index(might-not-exist) in python?
I have code which looks something like this:
12 Answers
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Anyone else find naming classes and methods one of the most difficult parts in programming? [closed]
So I'm working on this class that's supposed to request help documentation from a vendor through a web service. I try to name it DocumentRetriever , VendorDocRequester , DocGetter , but they just don't sound right. I ended up browsing through dictionary.com for half an hour trying to come up wi...
Difference between ref and out parameters in .NET [duplicate]
What is the difference between ref and out parameters in .NET? What are the situations where one can be more useful than the other? What would be a code snippet where one can be used and another can't?
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Choosing Java vs Python on Google App Engine
Currently Google App Engine supports both Python & Java. Java support is less mature. However, Java seems to have a longer list of libraries and especially support for Java bytecode regardless of the languages used to write that code. Which language will give better performance and more power? Pleas...
Is a one column table good design? [closed]
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Yes, it's certainly good design to design a table in such a way as to make it most efficient. "Bad RDBMS Design" is usually centered around inefficiency.
However, I have found that most cases of single column design could benefit from an ...