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How to get first record in each group using Linq
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var res = from element in list
group element by element.F1
into groups
select groups.OrderBy(p => p.F2).First();
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Creating C macro with ## and __LINE__ (token concatenation with positioning macro)
I want to create a C macro that creates a function with a name based
on the line number.
I thought I could do something like (the real function would have statements within the braces):
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Spring Expression Language (SpEL) with @Value: dollar vs. hash ($ vs. #)
...onfused concerning when to use ${...} compared to #{...} . Spring's documentation only uses #{...} , but there are plenty of examples that use ${...} . Furthermore, when I started with SpEL I was told to use ${...} and it works fine.
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Why should I use var instead of a type? [duplicate]
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It's really just a coding style. The compiler generates the exact same for both variants.
See also here for the performance question:
Will using 'var' affect performance?
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Git merge without auto commit
Is it possible to do a git merge , but without a commit?
5 Answers
5
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jQuery lose focus event
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Use blur event to call your function when element loses focus :
$('#filter').blur(function() {
$('#options').hide();
});
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How do I check if an object has a specific property in JavaScript?
...w if an object physically contains a property (and it is not coming from somewhere up on the prototype chain) then object.hasOwnProperty is the way to go. All modern browsers support it. (It was missing in older versions of Safari - 2.0.1 and older - but those versions of the browser are rarely used...
Specify custom Date format for colClasses argument in read.table/read.csv
Is there a way to specify the Date format when using the colClasses argument in read.table/read.csv?
4 Answers
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how to customize `show processlist` in mysql?
I want to order by Time,but seems no way to do that ?
6 Answers
6
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Bash if statement with multiple conditions throws an error
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@Simply_Me: No, a logical OR is true if either or both of its operands are true. You're thinking of "exclusive or" (XOR), which is true if exactly one of its operands is true. (Actually, there are versions of XOR that work on more th...