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Safe (bounds-checked) array lookup in Swift, through optional bindings?
If I have an array in Swift, and try to access an index that is out of bounds, there is an unsurprising runtime error:
19 A...
How can I tell if a library was compiled with -g?
I have some compiled libraries on x86 Linux and I want to quickly determine whether they were compiled with debugging symbols.
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Should CSS always preceed Javascript?
In countless places online I have seen the recommendation to include CSS prior to JavaScript. The reasoning is generally, of this form :
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Java, How do I get current index/key in “for each” loop [duplicate]
In Java, How do I get the current index for the element in Java?
7 Answers
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Get Android API level of phone currently running my application [duplicate]
How do I get the Api level of the phone curently running my application? I am sure its simple but I can not find it as all my searches bring up tons of junk.
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OSX - How to auto Close Terminal window after the “exit” command executed.
When I'm done with Terminal, I want to exit it. Right now, I have three options:
14 Answers
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Why switch is faster than if
Lots of Java books describe the switch statement as being faster than the if else statement. But I did not find out anywhere why switch is faster than if .
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getting type T from IEnumerable
is there a way to retrieve type T from IEnumerable<T> through reflection?
13 Answers
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Performance of Find() vs. FirstOrDefault() [duplicate]
Got an interesting outcome searching for Diana within a large sequence of a simple reference type having a single string property.
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.NET data structures: ArrayList, List, HashTable, Dictionary, SortedList, SortedDictionary — Speed,
.NET has a lot of complex data structures. Unfortunately, some of them are quite similar, and I'm not always sure when to use one and when to use another. Most of my C# and Visual Basic books talk about them to a certain extent, but they never really go into any real detail.
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