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Python pandas Filtering out nan from a data selection of a column of strings
...en drop where name is NaN:
In [87]:
nms
Out[87]:
movie name rating
0 thg John 3
1 thg NaN 4
3 mol Graham NaN
4 lob NaN NaN
5 lob NaN NaN
[5 rows x 3 columns]
In [89]:
nms = nms.dropna(thresh=2)
In [90]:
nms[nms.name.notnull()]
Out[90]:
m...
Splitting string into multiple rows in Oracle
...oach to splitting a string (comma delimited) into multiple rows in Oracle 10g (preferably) and 11g.
13 Answers
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How to add title to subplots in Matplotlib?
... JaradJarad
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Recommendation for compressing JPG files with ImageMagick
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10 Answers
10
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Batch files - number of command line arguments
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105
Googling a bit gives you the following result from wikibooks:
set argC=0
for %%x in (%*) do Se...
How to work around the stricter Java 8 Javadoc when using Maven
...st add that to your POM and you're good to go.
For maven-javadoc-plugin 3.0.0 users:
Replace
<additionalparam>-Xdoclint:none</additionalparam>
by
<doclint>none</doclint>
Thanks @banterCZ!
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How can I create a UIColor from a hex string?
How can I create a UIColor from a hexadecimal string format, such as #00FF00 ?
47 Answers
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How to print formatted BigDecimal values?
...money, and I need to print its value in the browser in a format like $123.00 , $15.50 , $0.33 .
6 Answers
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What's wrong with this 1988 C code?
...tions of IN and OUT:
#define IN 1; /* inside a word */
#define OUT 0; /* outside a word */
Notice how you have a trailing semicolon in each of these. When the preprocessor expands them, your code will look roughly like:
if (c == ' ' || c == '\n' || c == '\t')
state = 0;; /...
HashSet versus Dictionary w.r.t searching time to find if an item exists
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HashSet vs List vs Dictionary performance test, taken from here.
Add 1000000 objects (without checking duplicates)
Contains check for half the objects of a collection of 10000
Remove half the objects of a collection of 10000
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