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How to make the division of 2 ints produce a float instead of another int?
...The other operand will be effectively automatically cast to a float by the compiler because the rules say that if either operand is of floating point type then the operation will be a floating point operation, even if the other operand is integral. Java Language Specification, §4.2.4 and §15.17
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Freely convert between List and IEnumerable
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Is there a difference between foreach and map?
Ok this is more of a computer science question, than a question based on a particular language, but is there a difference between a map operation and a foreach operation? Or are they simply different names for the same thing?
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Expand/collapse section in UITableView in iOS
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103
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In bash, how does one clear the current input?
Suppose in bash you start writing a command like:
11 Answers
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MySQL - Make an existing Field Unique
...ession old_alter_table=1. Don't forget to set it back. mysqlolyk.wordpress.com/2012/02/18/…
– michaelliu
May 11 '13 at 6:39
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Ruby's ||= (or equals) in JavaScript?
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above comment is right. Taking your example case , it will not work the same way in JS. let amount = 0; followed by amount = amount || 5 will change amount to 5. If you dont want that to happen use ?? operator instead of || .
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SQL update trigger only when column is modified
By looking at other examples I've come up with the following but it doesn't seem to work as I would like: I want it to only update the modified information if the QtyToRepair value has been updated... but it doesn't do that.
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How to serialize an Object into a list of URL query parameters?
...str != "") {
str += "&";
}
str += key + "=" + encodeURIComponent(obj[key]);
}
Example: http://jsfiddle.net/WFPen/
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What to do about a 11000 lines C++ source file?
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community wiki
Steve Jessop
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