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Format floats with standard json module
...defect in the standard library json package). E.g., this code:
import json
from json import encoder
encoder.FLOAT_REPR = lambda o: format(o, '.2f')
print(json.dumps(23.67))
print(json.dumps([23.67, 23.97, 23.87]))
emits:
23.67
[23.67, 23.97, 23.87]
as you desire. Obviously, there should be an...
How do I calculate square root in Python?
... If you want your Python 2.x code to behave like 3.x w.r.t. division write from __future__ import division - then 1/2 will evaluate to 0.5 and for backwards compatibility, 1//2 will evaluate to 0.
And for the record, the preferred way to calculate a square root is this:
import math
math.sqrt(x)
...
Does Flask support regular expressions in its URL routing?
...sk just in case anyone wants a working example of how this could be done.
from flask import Flask
from werkzeug.routing import BaseConverter
app = Flask(__name__)
class RegexConverter(BaseConverter):
def __init__(self, url_map, *items):
super(RegexConverter, self).__init__(url_map)
...
How to hash a password
...
UPDATE: THIS ANSWER IS SERIOUSLY OUTDATED. Please use the recommendations from the https://stackoverflow.com/a/10402129/251311 instead.
You can either use
var md5 = new MD5CryptoServiceProvider();
var md5data = md5.ComputeHash(data);
or
var sha1 = new SHA1CryptoServiceProvider();
var sha1data ...
In C# check that filename is *possibly* valid (not that it exists) [duplicate]
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You can get a list of invalid characters from Path.GetInvalidPathChars and GetInvalidFileNameChars as discussed in this question.
As noted by jberger, there some other characters which are not included in the response from this method. For much more details of the ...
Python None comparison: should I use “is” or ==?
...objects)
In other words, == is a check for equivalence (which is defined from object to object) whereas is checks for object identity:
lst = [1,2,3]
lst == lst[:] # This is True since the lists are "equivalent"
lst is lst[:] # This is False since they're actually different objects
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jQuery loop over JSON result from AJAX Success?
On the jQuery AJAX success callback I want to loop over the results of the object. This is an example of how the response looks in Firebug.
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How to get current date in jquery?
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d.getMonth() Returns the month (from 0-11) so it may be wrong
– Gaurav Agrawal
Dec 6 '11 at 11:23
2
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How to test a confirm dialog with Cucumber?
... doesn't seem to work anymore in Firefox 4... @derek-ekins solution below, from what Google tells me, seems to be more forward-compatible, though I can't confirm just yet (I'm stuck on Capybara 0.3.9).
– carpeliam
Apr 6 '11 at 17:34
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UITableViewCell show white background and cannot be modified on iOS7
I've implemented a custom table view cell class that inherit from UITableViewCell . The tableview contains a background image, so I want cell's background to be transparent. It looks great before iOS7.
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