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How to programmatically cause a core dump in C/C++
...pa answer, helped my a lot for this answer.
– Boris Däppen
Feb 11 '19 at 18:22
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Spring Boot Remove Whitelabel Error Page
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In Spring-Boot v2 the ErrorController and ErrorAttributes classes are in package org.springframework.boot.web.servlet.error and further the ErrorAttributes#getErrorAttributes method signature has changed, please note dependency on Spring-Bo...
Convert a row of a data frame to vector
...re is an example:
df_1 = data.frame(V1 = factor(11:15),
V2 = 21:25)
df_1[1,] %>% as.numeric() # you expect 11 21 but it returns
[1] 1 21
Here is another example (by default data.frame() converts characters to factors)
df_2 = data.frame(V1 = letters[1:5],
...
How can I brew link a specific version?
...: Aug 26 2014 15:14:01)
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.4.0, Copyright (c) 1998-2014 Zend Technologies
$ brew unlink php54
$ brew switch php55 5.5.16
$ php --version
PHP 5.5.16 (cli) (built: Sep 9 2014 14:27:18)
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.5.0, Cop...
Need for predictable random generator
...ndomness in small runs of some games is undesirable -- it does seem too unfair for some use cases.
I wrote a simple Shuffle Bag like implementation in Ruby and did some testing. The implementation did this:
If it still seems fair or we haven't reached a threshold of minimum rolls, it returns a...
For loop for HTMLCollection elements
...tions, function(option) { return option.value; })
– XåpplI'-I0llwlg'I -
Apr 1 '15 at 2:49
1
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I've found my software as cracked download on Internet, what to do?
...property to illegal duplication/usage of your IP.
– Lèse majesté
Aug 24 '10 at 2:41
30
There ar...
How to wait for several Futures?
...urrently
f3 <- func3.concurrently
} yield for {
v1 <- f1
v2 <- f2
v3 <- f3
} yield (v1,v2,v3)
}.future
f.onFailure { case t => println("future failed $t") }
In the example above, f1,f2 and f3 will run concurrently and if any fail in any order the future of the tuple...
What is the best way to detect a mobile device?
...f(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|ipad|iris|kindle|Android|Silk|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|wind...
How to export table as CSV with headings on Postgresql?
...ROM mytable) TO STDOUT" > mytable.csv
– Juha Palomäki
Jun 6 '19 at 16:00
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