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Git and Mercurial - Compare and Contrast
...t, and even contribute a bit to Git (gitweb mainly). I know Mercurial from documentation and some from discussion on #revctrl IRC channel on FreeNode.
Thanks to all people on on #mercurial IRC channel who provided help about Mercurial for this writeup
Summary
Here it would be nice to have some syn...
How to split a delimited string in Ruby and convert it to an array?
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If you're using active support you can do: map(&:to_i)
– jonnii
Jun 10 '09 at 15:32
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Returning first x items from array
I want to return first 5 items from array. How can I do this?
5 Answers
5
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What makes JNI calls slow?
...vial native methods, in 2010 I measured calls at an average 40 ns on my Windows desktop, and 11 ns on my Mac desktop. Unless you're making many calls, you're not going to notice.
That said, calling a native method can be slower than making a normal Java method call. Causes include:
Native methods...
How to remove leading and trailing zeros in a string? Python
...rstrip instead (and .lstrip for only the leading ones).
[More info in the doc.]
You could use some list comprehension to get the sequences you want like so:
trailing_removed = [s.rstrip("0") for s in listOfNum]
leading_removed = [s.lstrip("0") for s in listOfNum]
both_removed = [s.strip("0") for ...
How to set ViewBag properties for all Views without using a base class for Controllers?
...process.
Because views are registered on-the-fly, the registration syntax doesn't help you with connecting to the Activated event, so you'd need to set it up in a Module:
class SetViewBagItemsModule : Module
{
protected override void AttachToComponentRegistration(
IComponentRegistratio...
Get Mouse Position
...tural mouse movement in Java (going from here to there pixel by pixel). To do that I need to know the starting coordinates.
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How to conditionally push an item in an observable array?
...n indexOf function (wrapper to ko.utils.arrayIndexOf). This allows you to do:
if (myObservableArray.indexOf(itemToAdd) < 0) {
myObservableArray.push(itemToAdd);
}
If the two are not actually a reference to the same object and you want to run custom comparison logic, then you can use ko.util...
Is mongodb running?
...ervice mongod status
to see if mongod is running (you need to be root to do this, or prefix everything with sudo). Please note that the 'grep' command will always also show up as a separate process.
check the log file /var/log/mongo/mongo.log to see if there are any problems reported
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java.util.Date vs java.sql.Date
... sql.Date, #setTime() for sql.Time and #setTimestamp() for sql.Timestamp.
Do note that if you use ps.setObject(fieldIndex, utilDateObject); you can actually give a normal util.Date to most JDBC drivers which will happily devour it as if it was of the correct type but when you request the data after...