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pandas: filter rows of DataFrame with operator chaining
...ndom.randint(0, 10, (4,4)), index=list('abcd'), columns=list('ABCD'))
In [95]: df.ix['d','A'] = df.ix['a', 'A']
In [96]: df
Out[96]:
A B C D
a 1 4 9 1
b 4 5 0 2
c 5 5 1 0
d 1 3 9 6
In [97]: df.mask('A', 1)
Out[97]:
A B C D
a 1 4 9 1
d 1 3 9 6
In [98]: df.mask(...
demystify Flask app.secret_key
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95
The answer below pertains primarily to Signed Cookies, an implementation of the concept of sess...
Installing libv8 gem on OS X 10.9+
...v8 as mentioned in the pull request (https://github.com/cowboyd/libv8/pull/95). Please try bumping up the version of libv8 in your Gemfile (or) a bundle update should suffice. Hope this helps.
From the libv8 README
Bring your own V8
Because libv8 is the interface for the V8 engine used by therubyrac...
Dump a NumPy array into a csv file
... edited Aug 26 '17 at 5:39
cs95
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answered May 21 '11 at 10:10
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What is the difference between an abstract function and a virtual function?
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BFreeBFree
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Doing HTTP requests FROM Laravel to an external API
... upon an answer of a similar question here:
https://stackoverflow.com/a/22695523/1412268
Take a look at Guzzle
$client = new GuzzleHttp\Client();
$res = $client->get('https://api.github.com/user', ['auth' => ['user', 'pass']]);
echo $res->getStatusCode(); // 200
echo $res->getBody(); ...
Difference between StringBuilder and StringBuffer
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95
and synchronization is virtually never required. If someone wants to synchronize on a StringBuilder, they can just surround the entire bloc...
NumPy array initialization (fill with identical values)
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95
Updated for Numpy 1.7.0:(Hat-tip to @Rolf Bartstra.)
a=np.empty(n); a.fill(5) is fastest.
In ...
INSTALL_FAILED_NO_MATCHING_ABIS when install apk
...rapp)-x86-debug.apk file in my project output.
– Eido95
Jan 3 '17 at 20:15
...
How to detect if CMD is running as Administrator/has elevated privileges?
...n | findstr /c:"Enabled group" && echo "I have a admin!" - work on 95, 98, 2000, xp, vista, 7, 8! (From comment "I like Rushyo's sugesstion of using AT ...")
– barwnikk
Sep 2 '13 at 14:10
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