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How to check if a table em>x m>ists in a given schema
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It depends on what you want to test em>x m>actly.
Information schema?
To find "whether the table em>x m>ists" (no matter who's asking), querying the information schema (information_schema.tables) is incorrect, strictly speaking, because (per documentation):
Only tho...
How to construct a set out of list items in python?
...e strings, so they should count):
lst = ['foo.py', 'bar.py', 'baz.py', 'qum>x m>.py', Ellipsis]
you can construct the set directly:
s = set(lst)
In fact, set will work this way with any iterable object! (Isn't duck typing great?)
If you want to do it iteratively:
s = set()
for item in iterable...
Length of generator output [duplicate]
...ython provides a nice method for getting length of an eager iterable, len(m>x m>) that is. But I couldn't find anything similar for lazy iterables represented by generator comprehensions and functions. Of course, it is not hard to write something like:
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PHP - iterate on string characters
... is much more efficient than the answer provided.
– 0m>x m>476f72616e
Oct 15 '18 at 3:10
6
Just note t...
CSS @font-face - what does “src: local('☺')” mean?
...e generator, you'll see that it was a gotcha by paul irish.
Here is the em>x m>cerpt from his blog post:
And.. regarding @font-face syntam>x m>
I now recommend the bulletproof smiley variation over the original bulletproof syntam>x m>.
@font-face {
font-family: 'Graublau Web';
src: url('GraublauW...
Capistrano error tar: This does not look like a tar archive
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I had the same issue, until I realized I was pulling the nonem>x m>istent branch from git.
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Plot a bar using matplotlib using a dictionary
...'Label3':30}
plt.bar(range(len(D)), list(D.values()), align='center')
plt.m>x m>ticks(range(len(D)), list(D.keys()))
# # for python 2.m>x m>:
# plt.bar(range(len(D)), D.values(), align='center') # python 2.m>x m>
# plt.m>x m>ticks(range(len(D)), D.keys()) # in python 2.m>x m>
plt.show()
Note that the penultimate line ...
How to call shell commands from Ruby
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This em>x m>planation is based on a commented Ruby script from a friend of mine. If you want to improve the script, feel free to update it at the link.
First, note that when Ruby calls out to a shell, it typically calls /bin/sh, not Ba...
How to set top-left alignment for UILabel for iOS application?
...ts required to have top-left alignment for that lable. As I am providing tem>x m>t at runtime so its not sure that how much lines there are.
So if tem>x m>t contains only single line then it appears as vertical-center aligned. That alignment is not matching with my respective lable in front of it.
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Accessing items in an collections.OrderedDict by indem>x m>
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If its an OrderedDict() you can easily access the elements by indem>x m>ing by getting the tuples of (key,value) pairs as follows
>>> import collections
>>> d = collections.OrderedDict()
>>> d['foo'] = 'python'
>>> d['bar'] = 'spam'
>>> d.items()
[('...