大约有 43,000 项符合查询结果（耗时：0.0285秒） [XML]
Regular Expression for alphanumeric and underscores
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Um...question: Does it need to have at least one character or no? Can it be an empty string?
^[A-Za-z0-9_]+$
Will do at least one upper or lower case alphanumeric or underscore. If it can be zero length, then just substitute the + for *
^[A-Za-z0-9_]*$
Edi...
Why not be dependently typed?
...proof erasure: that's what Coq's extraction mechanism gives you;
that's at least what Edwin Brady's compiler does (although Edwin
erases unnecessarily duplicated values, as well as types and
proofs). The phase distinction may not be a distinction of syntactic category
any longer, but it's alive and ...
Resharper- Find all unused classes
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At least in ReSharper 8, you don't have to enable "Analyse Errors In Solution" to get results.
– Pieter van Ginkel
Dec 23 '13 at 19:09
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.aspx vs .ashx MAIN difference
...ashx handle more connections than aspx?
Don't think so (but for sure, at least not less than).
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Size-limited queue that holds last N elements in Java
... Composition is a poor choice for my task here: it means at least twice the number of objects => at least twice more often garbage collection. I use large quantities (tens of millions) of these limited-size queues, like that: Map<Long, LimitedSizeQueue<String>>.
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How to play a sound in C#, .NET
...etely useless for me. Windows has native support for MP3 and MIDI since at least Windows XP. Shame on Microsoft!
– Elmue
Sep 4 '18 at 3:50
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Should methods that throw RuntimeException indicate it in method signature?
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In my point of view it's better to declare runtime exceptions at least in the javadoc for the method. Declaring it in the signature makes it even more obvious what may happen when something goes wrong. This is my main reason for suggesting to provide this information.
FYI: as time has pro...
How to get the max of two values in MySQL?
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There is also LEAST
– bobobobo
Apr 13 '13 at 19:10
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Angular.js ng-repeat across multiple tr's
...dator allowed multiple tbody elements in the same table.
Update: As of at least Angular 1.2 there is an ng-repeat-start and ng-repeat-end to allow repeating a series of elements. See the documentation for more information and thanks to @Onite for the comment!
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View.setPadding accepts only in px, is there anyway to setPadding in dp?
...e dimension (in dp or whatever) in an XML file (which is better anyway, at least in most cases), you can get the pixel value of it using this code:
context.getResources().getDimensionPixelSize(R.dimen.your_dimension_name)
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