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When to make a type non-movable in C++11?
...n't show up in my search results, I thought someone would've asked this before, given the usefulness of move semantics in C++11:
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Is PHP compiled or interpreted?
Is PHP compiled or interpreted?
9 Answers
9
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Is Disney's FastPass Valid and/or Useful Queue Theory
At Disney World, they use a system called Fastpass to create a second, shorter line for popular rides. The idea is that you can wait in the standard line, often with a wait longer than an hour, or you can get a FastPass which allows you to come back during a specified time block (usually a couple...
How to check if an array field contains a unique value or another array in MongoDB?
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This is well documented in the help: mongodb.org/display/DOCS/…
– Scott Hernandez
Mar 20 '11 at 4:31
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Check if string contains only whitespace
... the Unicode character database (see unicodedata), either its general category is Zs (“Separator, space”), or its bidirectional class is one of WS, B, or S.
Combine that with a special case for handling the empty string.
Alternatively, you could use str.strip() and check if the result is empty....
Representing Monetary Values in Java [closed]
I understand that BigDecimal is recommended best practice for representing monetary values in Java. What do you use? Is there a better library that you prefer to use instead?
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How to initialize log4j properly?
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Log4j by default looks for a file called log4j.properties or log4j.xml on the classpath.
You can control which file it uses to initialize itself by setting system properties as described here (Look for the "Default Initialization Procedure" section...
Programmer Puzzle: Encoding a chess board state throughout a game
Not strictly a question, more of a puzzle...
31 Answers
31
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Check if array is empty or null
I would like to know how to check if an array is empty or null in jQuery. I tried array.length === 0 but it didn't work. It did not throw any error either.
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Set the layout weight of a TextView programmatically
... edited Jul 31 '12 at 16:10
Dorje
1,02711 gold badge99 silver badges99 bronze badges
answered Jul 11 '10 at 19:33
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