大约有 11,294 项符合查询结果(耗时:0.0720秒) [XML]

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Can I find out the return value before returning while debugging in Visual Studio?

... Not that I know of. Note that if you do add a variable, it will get removed by the compiler in release builds anyway... Update: This functionality has been added to VS2013. You can see the return values in the autos windows or use $ReturnValue in the watch/immediate window. ...
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Get int value from enum in C#

... Just cast the enum, e.g. int something = (int) Question.Role; The above will work for the vast majority of enums you see in the wild, as the default underlying type for an enum is int. However, as cecilphillip points out, enums can have different underlying types. If an enum is declared as ...
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Drawing a dot on HTML5 canvas [duplicate]

... Simon SarrisSimon Sarris 56k1212 gold badges123123 silver badges155155 bronze badges add a comment ...
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Pandas - How to flatten a hierarchical index in columns

...e a data frame with a hierarchical index in axis 1 (columns) (from a groupby.agg operation): 17 Answers ...
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Create array of regex matches

In Java, I am trying to return all regex matches to an array but it seems that you can only check whether the pattern matches something or not (boolean). ...
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postgresql list and order tables by size

How can I list all the tables of a PostgreSQL database and order them by size ? 7 Answers ...
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How to write a foreach in SQL Server?

... You seem to want to use a CURSOR. Though most of the times it's best to use a set based solution, there are some times where a CURSOR is the best solution. Without knowing more about your real problem, we can't help you more than that: DECLARE @PractitionerId int DECLARE MY_CURSOR CURSO...
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What is the best way to convert an array to a hash in Ruby

In Ruby, given an array in one of the following forms... 11 Answers 11 ...
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Filtering for empty or NULL names in a queryset

... You could do this: Name.objects.exclude(alias__isnull=True) If you need to exclude null values and empty strings, the preferred way to do so is to chain together the conditions like so: Name.objects.exclude(alias__isnull=True).exclude(alias__exact...
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What is the difference between a.getClass() and A.class in Java?

...xist surrounding the choice to use a.getClass() or A.class ? Either can be used wherever a Class<?> is expected, but I imagine that there would be performance or other subtle benefits to using both in different circumstances (just like there are with Class.forName() and ClassLoader.loa...