大约有 22,000 项符合查询结果(耗时:0.0242秒) [XML]

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How to get first and last day of previous month (with timestamp) in SQL Server

... First Day Of Current Week. select CONVERT(varchar,dateadd(week,datediff(week,0,getdate()),0),106) Last Day Of Current Week. select CONVERT(varchar,dateadd(week,datediff(week,0,getdate()),6),106) First Day Of Last week. select CONVERT(varchar,DATEADD(week,datediff(...
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What is the rationale for fread/fwrite taking size and count as arguments?

...o compare the result against the requested number of bytes (which requires extra C code and extra machine code). – R.. GitHub STOP HELPING ICE Jul 31 '10 at 0:16 1 ...
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Is a Java string really immutable?

We all know that String is immutable in Java, but check the following code: 15 Answers ...
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Scanner vs. BufferedReader

...tokens (parts). It's able to give back you specific parts directly as int, string, decimal, etc. See also all those nextXxx() methods in Scanner class. Reading = dumb streaming. It keeps giving back you all characters, which you in turn have to manually inspect if you'd like to match or compose som...
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Is char signed or unsigned by default?

In the book "Complete Reference of C" it is mentioned that char is by default unsigned. 7 Answers ...
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How do I remove the first characters of a specific column in a table?

... - 4) AS MyTrimmedColumn Edit: To explain, RIGHT takes 2 arguments - the string (or column) to operate on, and the number of characters to return (starting at the "right" side of the string). LEN returns the length of the column data, and we subtract four so that our RIGHT function leaves the lef...
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What is the best way to tell if a character is a letter or number in Java without using regexes?

What is the best and/or easiest way to recognize if a string.charAt(index) is an A-z letter or a number in Java without using regular expressions? Thanks. ...
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Default filter in Django admin

... 'selected': self.value() == lookup, 'query_string': cl.get_query_string({ self.parameter_name: lookup, }, []), 'display': title, } def queryset(self, request, queryset): if self.value() in ('...
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How to select between brackets (or quotes or …) in Vim?

... This is a highly useful tip. No more fumbling with extra keystrokes. Thank you for the link. – Rai Jan 18 '15 at 15:36 add a comment ...
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What is the difference between canonical name, simple name and class name in Java Class?

...rst. I did this: class ClassNameTest { public static void main(final String... arguments) { printNamesForClass( int.class, "int.class (primitive)"); printNamesForClass( String.class, "String.class (ordinary class)"); print...