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How does “do something OR DIE()” work in PHP?
I'm writing a php app to access a MySQL database, and on a tutorial, it says something of the form
4 Answers
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Purpose of Python's __repr__
... for someone confused over this, imho. (If I've gone to far, just re-edit, and I'll owe you a beer.)
– Roger Pate
Dec 31 '09 at 6:47
2
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“Delegate subtraction has unpredictable result” in ReSharper/C#?
When using myDelegate -= eventHandler ReSharper (version 6) issues:
3 Answers
3
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Replace all non-alphanumeric characters in a string
I have a string with which i want to replace any character that isn't a standard character or number such as (a-z or 0-9) with an asterisk. For example, "h^&ell`.,|o w]{+orld" is replaced with "h*ell*o*w*orld". Note that multiple characters such as "^&" get replaced with one asterisk. How would I go...
how to set textbox value in jquery
...ed from the Ajax into the specified element:
Load data from the server and place the returned HTML into the matched element.
You cannot set the value of a textbox with that method.
$(selector).load() returns the a jQuery object. By default an object is converted to [object Object] when treated...
Create Pandas DataFrame from a string
... to do this is to use StringIO.StringIO (python2) or io.StringIO (python3) and pass that to the pandas.read_csv function. E.g:
import sys
if sys.version_info[0] < 3:
from StringIO import StringIO
else:
from io import StringIO
import pandas as pd
TESTDATA = StringIO("""col1;col2;col3
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Base64 encoding and decoding in client-side Javascript
Are there any methods in JavaScript that could be used to encode and decode a string using base64 encoding?
13 Answers
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ReSharper - force curly braces around single line
...t; Cleanup Code.
Profit.
Remember that Code Cleanup does numerous things and they're not only related to code formatting (see details at http://www.jetbrains.com/resharper/webhelp/Code_Cleanup__Index.html), so use the feature wisely.
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Adding a y-axis label to secondary y-axis in matplotlib
... @Sigur you have to mess with passing the horizontalalignment and/or verticalalignment parameter to ax2.set_ylabel
– Paul H
Mar 22 '18 at 5:17
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List comprehension vs map
...re NOT making a lambda for the purpose, but using the same function in map and a listcomp). List comprehensions may be faster in other cases and most (not all) pythonistas consider them more direct and clearer.
An example of the tiny speed advantage of map when using exactly the same function:
$ p...