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Replacing Pandas or Numpy Nan with a None to use with MysqlDB
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203
@bogatron has it right, you can use where, it's worth noting that you can do this natively in p...
How do I raise the same Exception with a custom message in Python?
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edited Feb 12 '19 at 10:58
dreftymac
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a...
find -exec with multiple commands
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Alan W. Smith
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answered May 18 '11 at 11:25
TinkerTinker
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Getting vertical gridlines to appear in line plot in matplotlib
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102
You may need to give boolean arg in your calls, e.g. use ax.yaxis.grid(True) instead of ax.yaxi...
Which is better: … or …
...a type attribute at all? If you're using HTML5, no. Otherwise, yes. HTML 4.01 and XHTML 1.0 specifies the type attribute as required while HTML5 has it as optional, defaulting to text/javascript. HTML5 is now widely implemented, so if you use the HTML5 doctype, <script>...</script> is va...
How to create border in UIButton?
...rtzCore/QuartzCore.h>
Set properties:
myButton.layer.borderWidth = 2.0f;
myButton.layer.borderColor = [UIColor greenColor].CGColor;
See:
https://developer.apple.com/documentation/quartzcore/calayer#//apple_ref/occ/cl/CALayer
The CALayer in the link above allows you to set other properties ...
Python extract pattern matches
...> result = p.search(s)
>>> result
<_sre.SRE_Match object at 0x10555e738>
>>> result.group(1) # group(1) will return the 1st capture (stuff within the brackets).
# group(0) will returned the entire matched text.
'my_user_name'
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How to get the first five character of a String
... you can use String.Substring.
string str = yourStringVariable.Substring(0,5);
Remember that String.Substring could throw an exception in case of string's length less than the characters required.
If you want to get the result back in string then you can use:
Using String Constructor and LI...
What is the best method of handling currency/money?
... price, use:
number_to_currency(price, :unit => "€")
#=> €1,234.01
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Accessing bash command line args $@ vs $*
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edited Feb 22 '14 at 11:20
answered Sep 7 '12 at 10:46
gle...