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What is the rationale for all comparisons returning false for IEEE754 NaN values?
Why do comparisons of NaN values behave differently from all other values?
That is, all comparisons with the operators ==, =, where one or both values is NaN returns false, contrary to the behaviour of all other values.
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how to get the cookies from a php curl into a variable
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$ch = curl_init('http://www.google.com/');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
// get headers too with this line
curl_setopt($ch, CURLOPT_HEADER, 1);
$result = curl_exec($ch);
// get cookie
// multi-cookie variant contributed by @Com...
jQuery selector regular expressions
...eturn this.id.match(/abc+d/);
})
.html("Matched!");
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="abcd">Not matched</div>
<div id="abccd">Not matched</div>
<div id="abcccd">Not matched</div&...
Difference between HBase and Hadoop/HDFS
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Reference: http://www.quora.com/What-is-the-difference-between-HBASE-and-HDFS-in-Hadoop
Hadoop is a general name for several subsystems:
1) HDFS. A distributed file system that distributes data across a cluster of machines taking care...
How to check if a string contains an element from a list in Python
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It is better to parse the URL properly - this way you can handle http://.../file.doc?foo and http://.../foo.doc/file.exe correctly.
from urlparse import urlparse
import os
path = urlparse(url_string).path
ext = os.path.splitext(path)[1]
if ext in extensionsToCheck:
print(url_string)
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How to solve Permission denied (publickey) error when using Git?
...hould be good to clone and checkout.
Further information can be found at https://help.github.com/articles/generating-ssh-keys (thanks to @Lee Whitney)
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If the user has generated a ssh public/private key pair set before
check which key have been authorized on your github or gitlab account sett...
What is a 'semantic predicate' in ANTLR?
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Why is “Set as Startup” option stored in the suo file and not the sln file?
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Is python's sorted() function guaranteed to be stable?
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How add context menu item to Windows Explorer for folders [closed]
I have found out how to add right-click context menu items to files on Windows Explorer, by adding keys to the registry. I.e. I can right-click on a file in Explorer and run a custom app against that file.
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