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Python __str__ versus __unicode__
...d method -- it returns characters. The names are a bit confusing, but in 2.x we're stuck with them for compatibility reasons. Generally, you should put all your string formatting in __unicode__(), and create a stub __str__() method:
def __str__(self):
return unicode(self).encode('utf-8')
In 3...
How to add line break for UILabel?
...abel.numberOfLines = 0;
Update the label frame to match the size of the text using sizeWithFont:. If you don't do this your text will be vertically centered or cut off.
UILabel *label; // set frame to largest size you want
...
CGSize labelSize = [label.text sizeWithFont:label.font
...
Create a dictionary on a list with grouping
...ecialVariableWhichIsAListOfDemoClass
.GroupBy(x => x.GroupKey)
.ToDictionary(gdc => gdc.Key, gdc => gdc.ToList());
You'd make it shorter if you used shorter variable names too, of course :)
However, might I suggest that a Lookup m...
How to determine one year from now in Javascript
...e actual year minus 1900 (and so is fairly useless).
Thus a date marking exactly one year from the present moment would be:
var oneYearFromNow = new Date();
oneYearFromNow.setFullYear(oneYearFromNow.getFullYear() + 1);
Note that the date will be adjusted if you do that on February 29.
Similarly...
LINQ Ring: Any() vs Contains() for Huge Collections
...() on a List is O(n), while Contains() on a HashSet is O(1).
Any() is an extension method, and will simply go through the collection, applying the delegate on every object. It therefore has a complexity of O(n).
Any() is more flexible however since you can pass a delegate. Contains() can only acce...
Support for “border-radius” in IE
Does anyone know if/when Internet Explorer will support the "border-radius" CSS attribute?
11 Answers
...
Get DOS path instead of Windows path
... also enter the following into a CMD window:
dir <ParentDirectory> /X
Where <ParentDirectory> is replaced with the full path of the directory containing the item you would like the name for.
While the output is not a simple as Timbo's answer, it will list all the items in the specifi...
YYYY-MM-DD format date in shell script
...le to use printf's built-in date formatter (part of bash) rather than the external date (usually GNU date).
As such:
# put current date as yyyy-mm-dd in $date
# -1 -> explicit current date, bash >=4.3 defaults to current time if not provided
# -2 -> start time for shell
printf -v date '%(...
how to use XPath with XDocument?
...but it seems that the solution didn't work out in my case: Weirdness with XDocument, XPath and namespaces
3 Answers
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