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MySQL get the date n days ago as a timestamp

In MySQL, how would I get a timestamp from, say 30 days ago? 3 Answers 3 ...
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Crontab - Run in directory

I would like to set a job to run daily in the root crontab. But I would like it to execute it from a particular directory so it can find all the files it needs, since the application has a bunch of relative paths. ...
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How to add lines to end of file on Linux

... The easiest way to redirect the output of the echo by >> echo 'VNCSERVERS="1:root"' >> /etc/sysconfig/configfile echo 'VNCSERVERARGS[1]="-geometry 1600x1200"' >> /etc/sysconfig/configfile ...
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In Intellij, how do I toggle between camel case and underscore spaced?

At my company we have two different style guides for java vs sql. In java I have a field named historyOfPresentIllness and when i write the sql, I want to name it history_of_present_illness . Is there a keyboard shortcut to switch from one to the other when I have the phrase highlighted? Or pe...
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Serializing an object to JSON

... You're looking for JSON.stringify(). share | improve this answer | follow | ...
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Check if a given Type is an Enum

I am writing a JsonConverter for Json.NET which should allow me to convert any enum's to a string value defined by a [Description] attribute. ...
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How to disable textarea resizing?

... You can use css disable all textarea { resize: none; } only vertical resize textarea { resize: vertical; } only horizontal resize textarea { resize: horizontal; } disable vertical and horizontal with limit textar...
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How does Rails keep track of which migrations have run for a database?

According to Rails doc: http://guides.rubyonrails.org/migrations.html 1 Answer 1 ...
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JavaScript hard refresh of current page

...sh means getting a fresh copy of the page AND refresh all the external resources (images, JavaScript, CSS, etc.). 2 Answers...
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Python - use list as function parameters

How can I use a Python list (e.g. params = ['a',3.4,None] ) as parameters to a function, e.g.: 4 Answers ...