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Is There a Better Way of Checking Nil or Length == 0 of a String in Ruby?
...riation using strip can be quite inefficient.
– Marc-André Lafortune
May 2 '13 at 13:26
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How to ignore all hidden directories/files recursively in a git repository?
I'd like to have Git ignore all hidden files and directories.
i.e.
3 Answers
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Short form for Java if statement
...= city.getName() == null ? "N/A" : city.getName();
– Andres F.
Jan 17 '12 at 17:02
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Use of Initializers vs Constructors in Java
So I've been brushing up on my Java skills as of late and have found a few bits of functionality that I didn't know about previously. Static and Instance Initializers are two such techniques.
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Passing command line arguments from Maven as properties in pom.xml
Is it possible to pass arguments from command line to properties in pom.xml file ?
for example I run mvn ... argument
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What's the difference between compiled and interpreted language?
...subject I'm still not sure what the difference between a compiled language and an interpreted language is. I was told this is one of the differences between Java and JavaScript. Would someone please help me in understanding it?
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C++ convert vector to vector
... presize the vector by using the iterator category to note that those are random access iterators and then reserving enough space. Resizing prior to copy is a wasteful zero initialization.
– Michael Goldshteyn
Jun 18 '11 at 22:57
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How to get the number of characters in a std::string?
...not going to get much help with anything from the std library, so you can handle rolling your own strlen as well. For wstring, u16string and u32string, it returns the number of characters, rather than bytes. (Again with the proviso that if you are using a variable-length encoding in any of those, ...
HTTP redirect: 301 (permanent) vs. 302 (temporary)
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Status 302 means that the resource is temporarily located somewhere else, and the client/browser should continue requesting the original url.
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Observer Design Pattern vs “Listeners”
...ous toolkits. Is there a difference between the concepts, or are Listeners and Observers really the same thing.
3 Answers
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