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how to use XPath with XDocument?
...nt as it would also get "Name" nodes under other nodes (which aren't there now but could be added by later changes to the format of the file). However your solution is surely the right one.
– Marco Mp
Feb 21 '13 at 14:12
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Xcode Find and replace in all project files
...bar search, you have to press 'Find' then a menu appears – pick replace. Now you can replace project-wide.
Happy coding!
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The multi-part identifier could not be bound
...use. In this case, any reference to a in the ON clause is invalid, a is unknown at that point. That is why you are getting the error message.
If I were you, I would probably try to rewrite this query, and one possible solution might be:
SELECT DISTINCT
a.maxa,
b.mahuyen,
a.tenxa,
b.tenhuye...
Multiple levels of 'collection.defaultdict' in Python
... DeepDict instance itself a valid factory for constructing missing values. Now we can do things like
dd = DeepDict(DeepDict(list))
dd[1][2].extend([3,4])
sum(dd[1][2]) # 7
ddd = DeepDict(DeepDict(DeepDict(list)))
ddd[1][2][3].extend([4,5])
sum(ddd[1][2][3]) # 9
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Is it a bad practice to catch Throwable?
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How do you know what was allocated and what wasn't prior to the OOME? All bets are off once you get that, even inside a J2EE container like Tomcat or JBoss.
– bmauter
May 31 '13 at 2:05
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WPF Auto height in code
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I feel Nimrod's answer is the cleanest and should now be the accepted answer (not sure of GridLength.Auto was possible in the past). There's also GridLength.Star to fill remaining area.
– Wolfgang Schreurs
Jul 12 '19 at 7:06
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How to pause a YouTube player when hiding the iframe?
...ed using this answer myself and wasn't aware of this behaviour. Better to know now than later on :)
– MMachinegun
Jul 4 '14 at 23:06
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How to get value from form field in django framework?
...ce.my_field
form.save()
print form.instance.id # now this one can access id/pk
Note: the field is accessed as soon as it's available.
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Pandas: drop a level from a multi-level column index?
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As of Pandas 0.24.0, we can now use DataFrame.droplevel():
cols = pd.MultiIndex.from_tuples([("a", "b"), ("a", "c")])
df = pd.DataFrame([[1,2], [3,4]], columns=cols)
df.droplevel(0, axis=1)
# b c
#0 1 2
#1 3 4
This is very useful if you wan...
0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
...ng 1/9 in 3-digit decimal and 6-digit decimal. 0.111 < 0.111111, right?
Now suppose you are computing 6/9. 0.667 > 0.666667, right?
You can't have it that 6/9 in three digit decimal is 0.666 because that is not the closest 3-digit decimal to 6/9!
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