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Right way to reverse pandas.DataFrame?
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255
data.reindex(index=data.index[::-1])
or simply:
data.iloc[::-1]
will reverse your data fra...
'parent.relativePath' points at my com.mycompany:MyProject instead of org.apache:apache - Why?
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5 Answers
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Unittest setUp/tearDown for several tests
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edited Dec 5 '11 at 20:13
answered Dec 5 '11 at 19:56
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Formatting a float to 2 decimal places
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475
You can pass the format in to the ToString method, e.g.:
myFloatVariable.ToString("0.00"); //2d...
Extract substring using regexp in plain bash
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answered Nov 14 '12 at 4:54
Gilles QuenotGilles Quenot
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Can PostgreSQL index array columns?
...REATE TABLE "Test"("Column1" int[]);
INSERT INTO "Test" VALUES ('{10, 15, 20}');
INSERT INTO "Test" VALUES ('{10, 20, 30}');
CREATE INDEX idx_test on "Test" USING GIN ("Column1");
-- To enforce index usage because we have only 2 records for this test...
SET enable_seqscan TO o...
How to fix the aspect ratio in ggplot?
...() sequence.)
library(ggplot2)
df <- data.frame(
x = runif(100, 0, 5),
y = runif(100, 0, 5))
ggplot(df, aes(x=x, y=y)) + geom_point() + coord_fixed()
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'str' object does not support item assignment in Python
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105
In Python, strings are immutable, so you can't change their characters in-place.
You can, howev...
How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
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edited Apr 15 '13 at 10:38
answered Apr 14 '13 at 16:22
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How to check if field is null or empty in MySQL?
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edited Mar 30 '18 at 5:18
answered Jul 24 '13 at 11:39
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