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Does svn have a `revert-all` command?
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307
You could do:
svn revert -R .
This will not delete any new file not under version control. B...
How to calculate the number of days between two dates? [duplicate]
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const oneDay = 24 * 60 * 60 * 1000; // hours*minutes*seconds*milliseconds
const firstDate = new Date(2008, 1, 12);
const secondDate = new Date(2008, 1, 22);
const diffDays = Math.round(Math.abs((firstDate - secondDate) / oneDay));
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How do I explicitly specify a Model's table-name mapping in Rails?
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ZabbaZabba
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How to make Regular expression into non-greedy?
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500
The non-greedy regex modifiers are like their greedy counter-parts but with a ? immediately fol...
C++ Double Address Operator? (&&)
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answered Dec 28 '10 at 20:16
aschepleraschepler
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check if directory exists and delete in one command unix
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answered Jun 20 '16 at 13:32
Nick GrealyNick Grealy
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How can I make setInterval also work when a tab is inactive in Chrome?
I have a setInterval running a piece of code 30 times a second. This works great, however when I select another tab (so that the tab with my code becomes inactive), the setInterval is set to an idle state for some reason.
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Scala equivalent of Java java.lang.Class Object
... type erasure on the JVM, in the case of getClass.
scala> classOf[C]
res0: java.lang.Class[C] = class C
scala> c.getClass
res1: java.lang.Class[_] = class C
That is why the following will not work:
val xClass: Class[X] = new X().getClass //it returns Class[_], nor Class[X]
val integerClass:...
Doing something before program exit
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answered Oct 3 '10 at 15:04
Brent Writes CodeBrent Writes Code
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Ignoring time zones altogether in Rails and PostgreSQL
...ger value representing the count of microseconds from the Postgres epoch, 2000-01-01 00:00:00 UTC.
Postgres also has built-in knowledge of the commonly used UNIX time counting seconds from the UNIX epoch, 1970-01-01 00:00:00 UTC, and uses that in functions to_timestamp(double precision) or EXTRACT(E...