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Pros and cons to use Celery vs. RQ [closed]
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Broker support. Celery is the clear winner, RQ only supports Redis. This means less documentation on "what is a broker", but also means you cannot switch brokers in the future if Redis no longer works for you. For example, Instagram considered both Redis and RabbitMQ with Celery. This is important...
Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio
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You would mostly be using COUNT to summarize over a UID. Therefore
COUNT([uid]) will produce the warning:
Warning: Null value is eliminated by an aggregate or other SET operation.
whilst being used with a left join, where the counted object does not exist.
Using COUNT(...
Using jquery to get element's position relative to viewport
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I didn't want to use another plugin, but $(window).scrollTop() is exactly what I needed! Thanks!
– DA.
Oct 14 '09 at 16:28
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How to get label of select option with jQuery?
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To get the label attribute, this can be used: jQuery('#theid option:selected').attr('label')
– David Balažic
Apr 10 '14 at 16:07
add a comment
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Input placeholders for Internet Explorer
...lt;label>Text:
<span style="position: relative;">
<input id="placeholder1314588474481" name="text" maxLength="6" type="text" placeholder="Hi Mom">
<label style="font: 0.75em/normal sans-serif; left: 5px; top: 3px; width: 147px; height: 15px; color: rgb(186, 186, 186); pos...
Rotation methods deprecated, equivalent of 'didRotateFromInterfaceOrientation'?
...n methods have been deprecated). I'd like to know what the equivalent of didRotateFromInterfaceOrientation is now as there are a number of clean up tasks we need to perform and I can't see a block that we can assign to UIViewControllerTransitionCoordinator in order to be called when 'transition'...
varbinary to string on SQL Server
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"Converting a varbinary to a varchar" can mean different things.
If the varbinary is the binary representation of a string in SQL Server (for example returned by casting to varbinary directly or from the DecryptByPassPhrase or DECOMPRESS functions) you can just CAST...
How to remove a field from params[:something]
...I am using Rails 4.0, and model_params.delete :key_name doesn't work - any idea why?
– Zorayr
Oct 22 '13 at 5:54
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Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 更多技术 - 清泛网 - ...
...设置为 innodb_file_per_table = 1。
参考 http://blog.chinaunix.net/uid-24111901-id-2627876.html
1、找回表结构，如果表结构没有丢失直接到下一步
a、先创建一个数据库，这个数据库必须是没有表和任何操作的。
b、创建一个表结构，和要恢...
New line in text area
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@LittleAlien jsfiddle.net/v0y3xvpx/1 - answer based on the OP question, obviously problem was solved
– Bakudan
Sep 26 '16 at 9:33
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