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Regular expression to match non-ASCII characters?
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257
This should do it:
[^\x00-\x7F]+
It matches any character which is not contained in the ASC...
How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
...imum.
IE6, IE7 - have a limit of two. IE8 is 6 if you have a broadband - 2 (if it's a dial up).
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Fastest Way to Find Distance Between Two Lat/Long Points
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edited Oct 2 '17 at 15:05
Peter K.
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'float' vs. 'double' precision
...ary representation, not a decimal one.
Single precision (float) gives you 23 bits of significand, 8 bits of exponent, and 1 sign bit.
Double precision (double) gives you 52 bits of significand, 11 bits of exponent, and 1 sign bit.
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How to check if character is a letter in Javascript?
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answered Mar 25 '12 at 21:21
bezmaxbezmax
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How to plot two columns of a pandas data frame using points?
...he plotted line when calling df.plot:
df.plot(x='col_name_1', y='col_name_2', style='o')
The style argument can also be a dict or list, e.g.:
import numpy as np
import pandas as pd
d = {'one' : np.random.rand(10),
'two' : np.random.rand(10)}
df = pd.DataFrame(d)
df.plot(style=['o','rx'])...
Importing a CSV file into a sqlite3 database table using Python
...your_filename.db'
cur = con.cursor()
cur.execute("CREATE TABLE t (col1, col2);") # use your column names here
with open('data.csv','r') as fin: # `with` statement available in 2.5+
# csv.DictReader uses first line in file for column headings by default
dr = csv.DictReader(fin) # comma is de...
OnChange event handler for radio button (INPUT type=“radio”) doesn't work as one value
...Radios" value="1" />
<input type="radio" name="myRadios" value="2" />
</form>
Here's a JSFiddle demo: https://jsfiddle.net/crp6em1z/
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Check if a string is null or empty in XSLT
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323
test="categoryName != ''"
Edit: This covers the most likely interpretation, in my opinion, of...
How to print a percentage value in python?
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289
format supports a percentage floating point precision type:
>>> print "{0:.0%}".form...