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Clojure: cons (seq) vs. conj (list)
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One difference is that conj accepts any number of arguments to insert into a collection, while cons takes just one:
(conj '(1 2 3) 4 5 6)
; => (6 5 4 1 2 3)
(cons 4 5 6 '(1 2 3))
; => IllegalArgumentException due to w...
Benchmarking (python vs. c++ using BLAS) and (numpy)
...ults from the original answer).
Hardware
Our HPC has two different nodes one with Intel Sandy Bridge CPUs and one with the newer Ivy Bridge CPUs:
Sandy (MKL, OpenBLAS, ATLAS):
CPU: 2 x 16 Intel(R) Xeon(R) E2560 Sandy Bridge @ 2.00GHz (16 Cores)
RAM: 64 GB
Ivy (MKL, OpenBLAS, ATLAS):
CPU: 2 ...
Transpose/Unzip Function (inverse of zip)?
...is does not 'scale better' than the zip(*x) version. zip(*x) only requires one pass through the loop, and does not use up stack elements.
– habnabit
Nov 17 '13 at 16:38
1
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Piping command output to tee but also save exit code of command [duplicate]
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As mentioned below if you have more than a single pipe then you'll need to check the status of each command to know where it failed.
– Joshua Olson
Aug 23 '13 at 2:11
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Cannot instantiate the type List [duplicate]
...it both ways cant we? I was just giving an answer to the problem. Actually one of the answers.
– Mechkov
Oct 31 '11 at 21:53
3
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%Like% Query in spring JpaRepository
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For me this one is the best solution. i didn't know you can use IgnoreCase combined with Containing, It isn't in the documentation.
– Wilson Campusano
Jan 18 '17 at 15:23
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How to make child process die after parent exits?
Suppose I have a process which spawns exactly one child process. Now when the parent process exits for whatever reason (normally or abnormally, by kill, ^C, assert failure or anything else) I want the child process to die. How to do that correctly?
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Getting DOM elements by classname
...nder->query("//*[contains(@class, '$classname')]");
If it is only ever one type of element you can replace the * with the particular tagname.
If you need to do a lot of this with very complex selector I would recommend Zend_Dom_Query which supports CSS selector syntax (a la jQuery):
$finder = ne...
Is there a way to use SVG as content in a pseudo element :before or :after
...lt;polyline points="20,20 40,25 60,40 80,120 120,140 200,180" style="fill:none;stroke:black;stroke-width:3"/>
</svg>
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Which icon sizes should my Windows application's icon include?
... 64, 96, 128 and 256. Then I checked which image is shown. All these were done with normal 96dpi. If using a larger DPI, the larger sizes may be used (only checked this a bit in Windows 7). The results:
Windows XP:
Explorer views:
Details / List: 16
Icons: 32
Tiles / Thumbnails: 48
Right-click-&...