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Python creating a dictionary of lists
...ther oddly-named setdefault function says "Get the value with this key, or if that key isn't there, add this value and then return it."
As others have rightly pointed out, defaultdict is a better and more modern choice. setdefault is still useful in older versions of Python (prior to 2.5).
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How can I change the default Django date template format?
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I think this works only if date is provideded as a datetime object. What if it is just a string passed from the view?
– Mohammed Shareef C
Dec 13 '16 at 5:33
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Regex to replace multiple spaces with a single space
..., just replace \s\s+ with ' ':
string = string.replace(/\s\s+/g, ' ');
If you really want to cover only spaces (and thus not tabs, newlines, etc), do so:
string = string.replace(/ +/g, ' ');
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Is it possible to change the textcolor on an Android SearchView?
...pose it publicly.
int id = searchView.getContext().getResources().getIdentifier("android:id/search_src_text", null, null);
TextView textView = (TextView) searchView.findViewById(id);
textView.setTextColor(Color.WHITE);
sha...
Java - Convert integer to string [duplicate]
...r = Integer.toString(i);
Returns a String object representing the specified integer. The argument is converted to signed decimal representation and returned as a string, exactly as if the argument and radix 10 were given as arguments to the toString(int, int) method.
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How to access a dictionary element in a Django template?
... and see what SQL the ORM generates as I'm not sure off the top of my head if it will pre-cache the properties and just create a subselect for the property or if it will iteratively / on-demand run the query to calculate vote count. But if it generates atrocious queries, you could always populate th...
How do I break a string across more than one line of code in JavaScript?
... quotes), line breaks are ignored, and perfectly acceptable. For example:
if(SuperLongConditionWhyIsThisSoLong
&& SuperLongConditionOnAnotherLine
&& SuperLongConditionOnThirdLineSheesh)
{
// launch_missiles();
}
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Creating a copy of an object in C# [duplicate]
...n for .net 4.5 and ICloneable doesn't say anything about being deprecated. If it is then I'd like to use something else.
– vane
Jun 13 '14 at 15:57
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How can I pretty-print JSON using node.js?
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JSON.stringify's third parameter defines white-space insertion for pretty-printing. It can be a string or a number (number of spaces). Node can write to your filesystem with fs. Example:
var fs = require('fs');
fs.writeFile('test.jso...
Rails filtering array of objects by attribute value
...es = [], []
@attachments.each do |attachment|
@logos << attachment if attachment.file_type == 'logo'
@images << attachment if attachment.file_type == 'image'
end
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