大约有 42,000 项符合查询结果(耗时:0.0376秒) [XML]

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Multi-statement Table Valued Function vs Inline Table Valued Function

...ke 'C_______' then the outer query did a sub-string and int conversion. ie Cast(Substring(2, 2) as int) as CompNo. All looks good except that sql server decided to put my Cast function before the results were filtered and so I get a mind scrambling conversion error. A multi statement table functio...
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Using python's eval() vs. ast.literal_eval()?

...thon literal structures: strings, numbers, tuples, lists, dicts, booleans, and None. Passing __import__('os').system('rm -rf /a-path-you-really-care-about') into ast.literal_eval() will raise an error, but eval() will happily wipe your drive. Since it looks like you're only letting the user input...
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“You have mail” message in terminal, os X [closed]

...ably it is some message from your system. Type in terminal: man mail , and see how can you get this message from your system. share | improve this answer | follow ...
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Understanding the Event Loop

I am thinking about it and this is what I came up with: 3 Answers 3 ...
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How to permanently add a private key with ssh-add on Ubuntu? [closed]

...ate one. It does not need root rights, so simply: nano ~/.ssh/config ...and enter the lines above as per your requirements. For this to work the file needs to have chmod 600. You can use the command chmod 600 ~/.ssh/config. If you want all users on the computer to use the key put these lines in...
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Enable 'xp_cmdshell' SQL Server

...ncedOptions int declare @prevXpCmdshell int select @prevAdvancedOptions = cast(value_in_use as int) from sys.configurations where name = 'show advanced options' select @prevXpCmdshell = cast(value_in_use as int) from sys.configurations where name = 'xp_cmdshell' if (@prevAdvancedOptions = 0) begin...
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How to use Class in Java?

...is overriding the T declared at Class level; //So There is no ClassCastException though a is not the type of T declared at MyClass<T>. private <T> T myMethod1(Object a){ return (T) a; } //Runtime ClassCastException will be thrown if a is ...
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Where are my postgres *.conf files?

...e it because I can't find config files. Searched through entire hard drive and found only samples like pg_hba.conf.sample ...
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iPhone OS: How do I create an NSDate for a specific date?

... @Chuck's answer is correct, and lead me to the following code. Thought I'd share: NSDateComponents *comps = [[NSDateComponents alloc] init]; [comps setDay:10]; [comps setMonth:10]; [comps setYear:2010]; NSDate *date = [[NSCalendar currentCalendar] date...
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open() in Python does not create a file if it doesn't exist

... open a file as read/write if it exists, or if it does not, then create it and open it as read/write? From what I read, file = open('myfile.dat', 'rw') should do this, right? ...