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Best way to store date/time in mongodb

...follow | edited Feb 10 '14 at 10:52 Dan Dascalescu 98.3k3636 gold badges263263 silver badges333333 bronze badges ...
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Dynamic constant assignment

...hod you are assigning a new value to the constant. This is not allowed, as it makes the constant non-constant; even though the contents of the string are the same (for the moment, anyhow), the actual string object itself is different each time the method is called. For example: def foo p "bar".ob...
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Calling JMX MBean method from a shell script

... The following command line JMX utilities are available: jmxterm - seems to be the most fully featured utility. cmdline-jmxclient - used in the WebArchive project seems very bare bones (and no development since 2006 it looks like) Groovy script and JMX - prov...
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How do RVM and rbenv actually work?

...nv ruby, your operating system will find ~/.rbenv/shims/ruby first and run it instead of any other ruby executable you may have installed. Each shim is a tiny Bash script that in turn runs rbenv exec. So with rbenv in your path, irb is equivalent to rbenv exec irb, and ruby -e "puts 42" is equivale...
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Creating the Singleton design pattern in PHP5

...n $inst; } /** * Private ctor so nobody else can instantiate it * */ private function __construct() { } } To use: $fact = UserFactory::Instance(); $fact2 = UserFactory::Instance(); $fact == $fact2; But: $fact = new UserFactory() Throws an error. See htt...
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Enable remote connections for SQL Server Express 2012

...alled SQL Server Express 2012 on my home server. I'm trying to connect to it from Visual Studio 2012 from my desktop PC, and repeatedly getting the well-known error: ...
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How do I resolve a HTTP 414 “Request URI too long” error?

... Under Apache, the limit is a configurable value, LimitRequestLine. Change this value to something larger than its default of 8190 if you want to support a longer request URI. The value is in /etc/apache2/apache2.conf. If not, add a new line (Limi...
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What Does Question Mark Mean in Xcode Project Navigator?

... It's the file untracked by source control. share | improve this answer | follow | ...
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Java List.contains(Object with field value equal to x)

I want to check whether a List contains an object that has a field with a certain value. Now, I could use a loop to go through and check, but I was curious if there was anything more code efficient. ...
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Change color of UISwitch in “off” state

I've learned that we can change the UISwitch button appearance in its "on" state, but is it also possible to change the color of the UISwitch in the "off" state? ...