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What's the difference between CSS classes .foo.bar (without space) and .foo .bar (with space) [dupli

Would you please explain me the difference between these two CSS classes syntax: 5 Answers ...
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Why does instanceof return false for some literals?

...) {}); // function As you can see objects, arrays and the value null are all considered objects (null is a reference to an object which doesn't exist). Functions are distinguished because they are a special type of callable objects. However they are still objects. On the other hand the literals t...
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What does Ruby have that Python doesn't, and vice versa?

There is a lot of discussions of Python vs Ruby, and I all find them completely unhelpful, because they all turn around why feature X sucks in language Y, or that claim language Y doesn't have X, although in fact it does. I also know exactly why I prefer Python, but that's also subjective, and would...
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Is there a way to ignore a single FindBugs warning?

...ly not an option. Example: <Match> <Class name="com.mycompany.Foo" /> <Method name="bar" /> <Bug pattern="DLS_DEAD_STORE_OF_CLASS_LITERAL" /> </Match> However, to solve this issue, FindBugs later introduced another solution based on annotations (see Suppress...
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namespaces for enum types - best practices

...would not be guaranteed that two distinct enums don't both think they are called eFeelings For simpler-looking code, I use a struct, as you presumably want the contents to be public. If you're doing any of these practices, you are ahead of the curve and probably don't need to scrutinize this furth...
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After array_filter(), how can I reset the keys to go in numerical order starting at 0

... If you call array_values on your array, it will be reindexed from zero. share | improve this answer | follo...
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Displaying the build date

...ing(0,16);}} > "$(ProjectDir)\BuildTimestamp.cs" - - - --> then can call it with Build.Timestamp – FabianSilva Jun 2 '14 at 16:10 ...
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How to show line number when executing bash script

...ly executing. If you need to know the line number where the function was called, try $BASH_LINENO. Note that this variable is an array. For example: #!/bin/bash function log() { echo "LINENO: ${LINENO}" echo "BASH_LINENO: ${BASH_LINENO[*]}" } function foo() { log "$@" } foo ...
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Can I initialize a C# attribute with an array or other variable number of arguments?

...e of any attribute is supported (either the first or last wins, I can't recall which). share | improve this answer | follow | ...
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Why do we usually use || over |? What is the difference?

...ing would be to consider the following example. Boolean b = true; if(b || foo.timeConsumingCall()) { //we entered without calling timeConsumingCall() } Another benefit, as Jeremy and Peter mentioned, for short-circuiting is the null reference check: if(string != null && string.isEmpt...