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Classpath including JAR within a JAR
... The best way I know of now-a-days is to use IntelliJ jar artifact. It extracts all of the classes from the dependant jars and puts them in your one jar.
– enl8enmentnow
Jan 25 '14 at 17:50
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How to clear all s’ contents inside a parent ?
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Using .empty() would be a better option as no string parsing is involved. It operates directly on the DOM object model.
– Drew Noakes
Aug 22 '10 at 19:43
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Self-references in object literals / initializers
...d destroying a temporary function, adding complexity; and either leaves an extra property on the object or [if you delete that property] impacts the performance of subsequent property accesses on that object.)
If you need it to all be within one expression, you can do that without the temporary pro...
int to hex string
I need to convert an int to hex string.
4 Answers
4
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Splitting a list into N parts of approximately equal length
...43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55]
This will assign the extra elements to the final group which is not perfect but well within your specification of "roughly N equal parts" :-) By that, I mean 56 elements would be better as (19,19,18) whereas this gives (18,18,20).
You can get th...
Constructors vs Factory Methods [closed]
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Use a factory only when you need extra control with object creation, in a way that couldn't be done with constructors.
Factories have the possibility of caching for example.
Another way to use factories is in a scenario where you do not know the type you w...
How to query SOLR for empty fields?
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Would this only work for fields of type String? How would you do it for for boolean?
– jared
Oct 4 '16 at 11:16
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How to get diff working like git-diff?
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Needed to enable Extra Packages for Enterprise Linux (EPEL) on Amazon Linux to install colordiff: docs.aws.amazon.com/AWSEC2/latest/UserGuide/…
– Pat Myron
Aug 23 '19 at 18:03
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What's the easiest way to escape HTML in Python?
...gt;bá</a>
Also worth of note (thanks Greg) is the extra quote parameter cgi.escape takes. With it set to True, cgi.escape also escapes double quote chars (") so you can use the resulting value in a XML/HTML attribute.
EDIT: Note that cgi.escape has been deprecated in Python...
pandas GroupBy columns with NaN (missing) values
...l stumbles over this--another workaround is to convert via .astype(str) to string before grouping. That will conserve the NaN's.
df = pd.DataFrame({'a': ['1', '2', '3'], 'b': ['4', np.NaN, '6']})
df['b'] = df['b'].astype(str)
df.groupby(['b']).sum()
a
b
4 1
6 3
nan 2
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