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Delete all the queues from RabbitMQ?
...o showed *** Not found: /api/queues/%2F/name because the output is a ASCII table with a "name" column. I tweaked the command to be rabbitmqadmin list queues name | awk '!/--|name/ {print $2}' | xargs -I qn rabbitmqadmin delete queue name=qn to fix it.
– Mark Edington
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Calculate difference between two dates (number of days)?
... in DateTime format? Because I need each date to modify a certain field in tables :) Edit: Got it and posted it as answer below. Thanks
– sys_debug
Oct 30 '11 at 4:16
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How do I sort one vector based on values of another
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How about?:
rep(y,table(x)[as.character(y)])
(Ian's is probably still better)
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Positioning element at center of screen
I want to position a <div> (or a <table> ) element at the center of the screen irrespective of screen size. In other words, the space left on 'top' and 'bottom' should be equal and space left on 'right' and 'left' sides should be equal. I would like to accomplish this with only CSS.
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Error Code: 2013. Lost connection to MySQL server during query
...tion to MySQL server during query error when I tried to add an index to a table using MySQL Workbench.
I noticed also that it appears whenever I run long query.
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How can I return NULL from a generic method in C#?
...(or a nullable value type), 0 for int, '\0' for char, etc. (Default values table (C# Reference))
Restrict T to be a reference type with the where T : class constraint and then return null as normal
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make div's height expand with its content
...way you can also try this that may be usefull in some situations
display:table;
jsFiddle
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MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术
...程序访问的都是虚拟内存地址，然后操作系统会通过Page Table机制把它翻译成物理内存地址，详细说明可以参考Understanding Memory和Understanding Virtual Memory，至于程序是如何使用虚拟内存的，可以参考Playing with Virtual Memory，这里就不...
Heroku deployment error H10 (App crashed)
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For me the issue was that I created a Model/Table called Mail. This worked fine on local, but caused a Job conflict on Heroku since it thought I was trying to use ActionMailer for this model. Running the heroku console gave me the verbose error that allowed me to pinpo...
How can I scroll to a specific location on the page using jquery?
...a particular div id i.e, 'idVal' in this case. If you have subsequent divs/tables that will open up in this page via ajax, then you can assign unique divs and call the script to scroll to the particular location for each contents of divs.
Hope this will be useful.
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