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What do 'lazy' and 'greedy' mean in the context of regular expressions?
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Mibac
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answered Feb 20 '10 at 6:22
SampsonSampson
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Is there shorthand for returning a default value if None in Python? [duplicate]
...s also returns "default" if x is any falsy value, including an empty list, 0, empty string, or even datetime.time(0) (midnight).
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Changing a specific column name in pandas DataFrame
...columns = {'two':'new_name'})
In [28]: df
Out[28]:
one three new_name
0 1 a 9
1 2 b 8
2 3 c 7
3 4 d 6
4 5 e 5
Following is the docstring for the rename method.
Definition: df.rename(self, index=None, columns=None, co...
Is there a “do … while” loop in Ruby?
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10 Answers
10
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How to set timer in android?
...n extends Activity {
TextView text, text2, text3;
long starttime = 0;
//this posts a message to the main thread from our timertask
//and updates the textfield
final Handler h = new Handler(new Callback() {
@Override
public boolean handleMessage(Message msg) {
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What's the cleanest way of applying map() to a dictionary in Swift?
...tion over some function), and more.
During discussion of the proposal, SE-0165, that introduced these features, I brought up this Stack Overflow answer several times, and I think the sheer number of upvotes helped demonstrate the demand. So thanks for your help making Swift better!
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What can you do in MSIL that you cannot do in C# or VB.NET? [closed]
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20 Answers
20
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What does jquery $ actually return?
...et like an
array or access individual elements
via the indexer ($(sel)[0] for
example). More importantly, you can
also apply jQuery functions against
all the selected elements.
About returning nothing:
Does it always return an array? Does it return null?
You always get the same thi...
jQuery callback for multiple ajax calls
...tions) options = {};
numRequestToComplete = options.numRequest || 0;
requestsCompleted = options.requestsCompleted || 0;
callBacks = [];
var fireCallbacks = function() {
alert("we're all complete");
for (var i = 0; i < callBacks.length; i++...
what exactly is device pixel ratio?
...solution is double the logical linear resolution.
Physical resolution: 960 x 640
Logical resolution: 480 x 320
The formula is:
Where:
is the physical linear resolution
and:
is the logical linear resolution
Other devices report different device pixel ratios, including non-integer ones. ...