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Is the LIKE operator case-sensitive with MSSQL Server?
In the documentation about the LIKE operator , nothing is told about the case-sensitivity of it. Is it? How to enable/disable it?
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How to add a new row to an empty numpy array
...timeit n = np.arange(1,3001).reshape(1000,3)
100000 loops, best of 3: 5.93 µs per loop
In [221]: np.allclose(a, n)
Out[221]: True
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How do you sign a Certificate Signing Request with your Certification Authority?
...cConstraints = CA:FALSE
keyUsage = digitalSignature, keyEncipherment
subjectAltName = @alternate_names
nsComment = "OpenSSL Generated Certificate"
####################################################################
[ alternate_names ]
DNS.1 = example.com
DNS.2 =...
How can I do an asc and desc sort using underscore.js?
...on, item => item. propertyName.toLowerCase());
– XåpplI'-I0llwlg'I -
Sep 6 '16 at 1:27
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Is there a way to make npm install (the command) to work behind proxy?
...y http://username:password@cacheaddress.com.br:80 install packagename
Skip the username:password part if proxy doesn't require you to authenticate
EDIT: A friend of mine just pointed out that you may get NPM to work behind a proxy by setting BOTH HTTP_PROXY and HTTPS_PROXY environment variables,...
How to validate an email address using a regular expression?
... that validates MOST email addresses correctly, assuming they don't use an IP address as the server part.
75 Answers
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How to use cURL to get jSON data and decode the data?
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You can Use this for Curl:
function fakeip()
{
return long2ip( mt_rand(0, 65537) * mt_rand(0, 65535) );
}
function getdata($url,$args=false)
{
global $session;
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,$url);
curl_setopt($ch...
Is there a VB.NET equivalent for C#'s '??' operator?
Is there a VB.NET equivalent for C#'s ?? operator?
6 Answers
6
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add a string prefix to each value in a string column using Pandas
...', 0]*200000})
%timeit df['col'].apply(lambda x: f"str{x}")
117 ms ± 451 µs per loop (mean ± std. dev. of 7 runs, 10 loops each)
%timeit 'str' + df['col'].astype(str)
112 ms ± 1.04 ms per loop (mean ± std. dev. of 7 runs, 10 loops each)
Using format, however, is indeed far slower:
%timeit ...
Pseudo-terminal will not be allocated because stdin is not a terminal
...ize the content of $1 at all.
– Cristian Matthias Ambæk
Aug 26 '16 at 9:33
1
@mklement0 Sure, yo...