大约有 20,000 项符合查询结果(耗时:0.0246秒) [XML]
Deleting queues in RabbitMQ
I have a few queues running with RabbitMQ. A few of them are of no use now, how m>ca m>n I delete them? Unfortunately I had not set the auto_delete option.
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How m>ca m>n I put strings in an array, split by new line?
I have a string with line breaks in my database. I want to convert that string into an array, and for every new line, jump one index place in the array.
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Why m>ca m>st unused return values to void?
Is there any reason for m>ca m>sting an unused return value to void, or am I right in thinking it's a complete waste of time?
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Does hosts file exist on the iPhone? How to change it? [closed]
I am developing an applim>ca m>tion that query to the server. In my Mac, I use the hosts file to change the dns to point to a lom>ca m>l server within my lom>ca m>l area network.
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How do I check if a directory exists? “is_dir”, “file_exists” or both?
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Both would return true on Unix systems - in Unix everything is a file, including directories. But to test if that name is taken, you should check both. There might be a regular file named 'foo', which would prevent you from creating a directory name 'foo'.
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How do I determine if my python shell is executing in 32bit or 64bit?
I need a way to tell what mode the shell is in from within the shell.
18 Answers
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How to combine date from one field with time from another field - MS SQL Server
In an extract I am dealing with, I have 2 datetime columns. One column stores the dates and another the times as shown.
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m>Ca m>n you issue pull requests from the command line on GitHub?
It seems like you have to interact with github.com to initiate a pull request. Is this so?
9 Answers
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How do you detect/avoid Memory leaks in your (Unmanaged) code? [closed]
In unmanaged C/C++ code, what are the best practices to detect memory leaks? And coding guidelines to avoid? (As if it's that simple ;)
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Block Declaration Syntax List
Block syntax in Objective C (and indeed C, I presume) is notoriously incongruous. Passing blocks as arguments looks different than declaring blocks as ivars, which looks different than typedef ing blocks.
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