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How can I multiply and divide using only bit shifting and adding?
...red in details in the book "Hacker's Delight" by Henry S. Warren (ISBN 9780201914658).
The first idea for implementing division is to write the inverse value of the denominator in base two.
E.g.,
1/3 = (base-2) 0.0101 0101 0101 0101 0101 0101 0101 0101 .....
So,
a/3 = (a >> 2) + (a >>...
PHP expects T_PAAMAYIM_NEKUDOTAYIM?
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answered Feb 26 '09 at 20:36
GumboGumbo
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How to convert Strings to and from UTF8 byte arrays in Java
...ead.
– Michael Piefel
Aug 17 '11 at 20:57
7
@Pacerier because the docs for Charset list "UTF-8" a...
How to execute a raw update sql with dynamic binding in rails
...are statement in Mysql2
– Green
Apr 20 '13 at 20:25
1
According to documentation: "Note: dependin...
How to check if there exists a process with a given pid in Python?
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answered Feb 20 '09 at 4:31
mluebkemluebke
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Calling clojure from java
...example of stand alone Clojure-Java interop"
:url "http://clarkonium.net/2013/06/java-clojure-interop-an-update/"
:license {:name "Eclipse Public License"
:url "http://www.eclipse.org/legal/epl-v10.html"}
:dependencies [[org.clojure/clojure "1.5.1"]]
:aot :all
:main com.domain.tiny)
No...
How to print struct variables in console?
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20 Answers
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Selecting a row of pandas series/dataframe by integer index
...2 -0.794307
2 -0.470056 1.192211
4 -0.284561 0.756029
6 1.037563 -0.267820
8 -0.538478 -0.800654
In [5]: df.iloc[[2]]
Out[5]:
A B
4 -0.284561 0.756029
In [6]: df.loc[[2]]
Out[6]:
A B
2 -0.470056 1.192211
[] slices the rows (by label location) only
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How to remove extension from string (only real extension!)
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answered Mar 7 '10 at 10:20
nickfnickf
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