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How to change MySQL data directory?
...swered Apr 18 '12 at 12:22
user1341296user1341296
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What is the difference between Integrated Security = True and Integrated Security = SSPI?
...2:44
Tim
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answered Aug 4 '09 at 20:23
cptScarletcptScarlet
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Drop columns whose name contains a specific string from pandas DataFrame
...st2', 'riri'))
print df
Test1 toto test2 riri
0 0.923249 0.572528 0.845464 0.144891
1 0.020438 0.332540 0.144455 0.741412
cols = [c for c in df.columns if c.lower()[:4] != 'test']
df=df[cols]
print df
toto riri
0 0.572528 0.144891
1 0.332540 0.741412
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Nearest neighbors in high-dimensional data?
...itioning) degrade to linear search for sufficiently high dimensions [1][2][3].
Among ANN algorithms proposed recently, perhaps the most popular is Locality-Sensitive Hashing (LSH), which maps a set of points in a high-dimensional space into a set of bins, i.e., a hash table [1][3]. But unlike tradi...
How does internationalization work in JavaScript?
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163
Localization support in legacy browsers is poor. Originally, this was due to phrases in the ECM...
How to list the files inside a JAR file?
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93
CodeSource src = MyClass.class.getProtectionDomain().getCodeSource();
if (src != null) {
URL j...
In Clojure 1.3, How to read and write a file
...e to know the "recommended" way of reading and writing a file in clojure 1.3 .
6 Answers
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Can't find the PostgreSQL client library (libpq)
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348
$ sudo su
$ env ARCHFLAGS="-arch x86_64" gem install pg
Building native extensions. This co...
MySQL error 2006: mysql server has gone away
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32
It may be easier to check if the connection and re-establish it if needed.
See PHP:mysqli_ping...