大约有 2,253 项符合查询结果(耗时:0.0083秒) [XML]

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How to compare dates in datetime fields in Postgresql?

... @Nicolai is correct about casting and why the condition is false for any data. i guess you prefer the first form because you want to avoid date manipulation on the input string, correct? you don't need to be afraid: SELECT * FROM table WHERE update...
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How to create Temp table with SELECT * INTO tempTable FROM CTE Query

...Select EventID, EventStartDate, EventEndDate, PlannedDate as [EventDates], Cast(PlannedDate As datetime) AS DT, Cast(EventStartTime As time) AS ST,Cast(EventEndTime As time) AS ET, EventTitle ,EventType from Calendar where (PlannedDate >= GETDATE()) AND ',' + EventEnumDays + ',' like '%,' + cast(...
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convert double to int

What is the best way to convert a double to an int ? Should a cast be used? 10 Answers ...
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ArrayList vs List in C#

... is a generic class. It supports storing values of a specific type without casting to or from object (which would have incurred boxing/unboxing overhead when T is a value type in the ArrayList case). ArrayList simply stores object references. As a generic collection, List<T> implements the gen...
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SQL - Rounding off to 2 decimal places

... Could you not cast your result as numeric(x,2)? Where x <= 38 select round(630/60.0,2), cast(round(630/60.0,2) as numeric(36,2)) Returns 10.500000 10.50 ...
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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, enum...
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Postgresql GROUP_CONCAT equivalent?

...ROM data_table GROUP BY id_field array_agg returns an array, but you can CAST that to text and edit as needed (see clarifications, below). Prior to version 8.4, you have to define it yourself prior to use: CREATE AGGREGATE array_agg (anyelement) ( sfunc = array_append, stype = anyarray, ...
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byte + byte = int… why?

...(int) x + (int) y; So, there is no + operation on bytes, bytes are first cast to integers and the result of addition of two integers is a (32-bit) integer. share | improve this answer | ...
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How to get ALL child controls of a Windows Forms form of a specific type (Button/Textbox)?

...t; GetAll(Control control,Type type) { var controls = control.Controls.Cast<Control>(); return controls.SelectMany(ctrl => GetAll(ctrl,type)) .Concat(controls) .Where(c => c.GetType() == type); } To test it in the for...
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Why does this code segfault on 64-bit architecture but work fine on 32-bit?

... The cast to int* masks the fact that without the proper #include the return type of malloc is assumed to be int. IA-64 happens to have sizeof(int) < sizeof(int*) which makes this problem obvious. (Note also that because of t...