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python .replace() regex [duplicate]
...t using regular expression use the re.sub function:
sub(pattern, repl, string[, count, flags])
It will replace non-everlaping instances of pattern by the text passed as string. If you need to analyze the match to extract information about specific group captures, for instance, you can pass a f...
How do I filter query objects by date range in Django?
...n think of is as suggested in my original response, which is to supply the extra 'padding' for comparison against a datetime model field when you're filtering against a date instance. This can be done via the datetime.combine method as above, but I've found that it can be a bit simpler to merely ac...
How do I get the find command to print out the file size with the file name?
...
find . -name '*.ear' -exec ls -lh {} \;
just the h extra from jer.drab.org's reply. saves time converting to MB mentally ;)
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Django 1.7 - makemigrations not detecting changes
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This is kind of a stupid mistake to make, but having an extra comma at the end of the field declaration line in the model class, makes the line have no effect.
It happens when you copy paste the def. from the migration, which itself is defined as an array.
Though maybe this wou...
Sorting an IList in C#
...th these extensions, sort your IList just like you would a List:
IList<string> iList = new []
{
"Carlton", "Alison", "Bob", "Eric", "David"
};
// Use the custom extensions:
// Sort in-place, by string length
iList.Sort((s1, s2) => s1.Length.CompareTo(s2.Length));
// Or use OrderBy()...
Cannot set content-type to 'application/json' in jQuery.ajax
...orm-urlencoded content type is considered safe and so does not undergo the extra cross domain checks.
It looks like you will need to add the previously mentioned headers to your servers response to the OPTIONS request. You should of course configure them to allow requests from specific domains rath...
Easy idiomatic way to define Ordering for a simple case class
...ering for Tuples, as it is clear, concise, and correct:
case class A(tag: String, load: Int) extends Ordered[A] {
// Required as of Scala 2.11 for reasons unknown - the companion to Ordered
// should already be in implicit scope
import scala.math.Ordered.orderingToOrdered
def compare(that:...
How to pass an object into a state using UI-router?
...3 but if I attempt to pass and object it comes out the in the state as the string [object Object]
– ErichBSchulz
Oct 2 '15 at 3:16
15
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How to add leading zeros?
...x <- 10 ^ (0:5)
paste (and it's variant paste0) are often the first string manipulation functions that you come across. They aren't really designed for manipulating numbers, but they can be used for that. In the simple case where we always have to prepend a single zero, paste0 is the best s...
MySQL high CPU usage [closed]
...added to your computer's/server's clock. MySQLd does not seem to like this extra second on some OS'es, and yields a high CPU load. The quick fix is (as root):
$ /etc/init.d/ntpd stop
$ date -s "`date`"
$ /etc/init.d/ntpd start
...