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Re-raise exception with a different type and message, preserving existing information
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Python 3 introduced exception chaining (as described in PEP 3134). This allows, when raising an exception, to cite an existing exception as the “cause”:
try:
frobnicate()
except KeyError as exc:
raise ValueError("Bad gra...
How to build query string with Javascript
...apped array.
– Jake Wilson
Jan 28 '13 at 22:19
2
@JakeWilson Yeah, this answer only half answers ...
Why are flag enums usually defined with hexadecimal values
... None = 0,
Flag1 = 1 << 0,
Flag2 = 1 << 1,
Flag3 = 1 << 2,
Flag4 = 1 << 3,
Flag5 = 1 << 4
}
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Git Gui: Perpetually getting “This repository currently has approximately 320 loose objects.”
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answered Jan 30 '14 at 13:53
Greg BurghardtGreg Burghardt
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Calling pylab.savefig without display in ipython
...otlib
matplotlib.use('Agg')
import matplotlib.pyplot as plt
plt.plot([1,2,3])
plt.savefig('/tmp/test.png')
EDIT: If you don't want to lose the ability to display plots, turn off Interactive Mode, and only call plt.show() when you are ready to display the plots:
import matplotlib.pyplot as plt
#...
How to check if bootstrap modal is open, so i can use jquery validate
...rap 4
($("element").data('bs.modal') || {}).isShown // Bootstrap <= 3
as discussed in Twitter Bootstrap Modal - IsShown.
When the modal is not yet opened, .data('bs.modal') returns undefined, hence the || {} - which will make isShown the (falsy) value undefined. If you're into strictness o...
What are the differences between the urllib, urllib2, urllib3 and requests module?
...n Python, what are the differences between the urllib , urllib2 , urllib3 and requests modules? Why are there three? They seem to do the same thing...
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Margin-Top not working for span element?
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311
Unlike div, p 1 which are Block Level elements which can take up margin on all sides,span2 can...
How do I write a short literal in C++?
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edited Sep 29 '15 at 22:39
Jonathan Leffler
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How can I provide multiple conditions for data trigger in WPF?
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answered May 25 '09 at 8:53
GishuGishu
124k4545 gold badges214214 silver badges294294 bronze badges
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