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How to gzip all files in all sub-directories into one compressed file in bash
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edited Oct 20 '14 at 21:34
kevinmicke
4,77322 gold badges1313 silver badges2222 bronze badges
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Why covariance and contravariance do not support value type
...ething of type object.
– Steve
Jul 20 at 14:03
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show 3 more comments
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Define all functions in one .R file, call them from another .R file. How, if possible?
...lt;- barXYZ(x)+1
return(k)
}
barABC <- function(x){
k <- x+30
return(k)
}
and xyz.R is this:
fooXYZ <- function(x) {
k <- fooABC(x)+1
return(k)
}
barXYZ <- function(x){
k <- barABC(x)+20
return(k)
}
then,
> source("abc.R")
> source("xyz.R"...
How to check that a string is an int, but not a double, etc.?
... about using ctype_digit?
From the manual:
<?php
$strings = array('1820.20', '10002', 'wsl!12');
foreach ($strings as $testcase) {
if (ctype_digit($testcase)) {
echo "The string $testcase consists of all digits.\n";
} else {
echo "The string $testcase does not consist of...
How to only find files in a given directory, and ignore subdirectories using bash
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205
If you just want to limit the find to the first level you can do:
find /dev -maxdepth 1 -name...
How to loop through a HashMap in JSP?
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309
Just the same way as you would do in normal Java code.
for (Map.Entry<String, String> ent...
Java reflection - impact of setAccessible(true)
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jzheaux
4,08633 gold badges1212 silver badges2424 bronze badges
answered May 17 '12 at 15:43
Moritz PetersenMor...
Nested rows with bootstrap grid system?
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305
Bootstrap Version 3.x
As always, read Bootstrap's great documentation:
3.x Docs: https://getb...
Inefficient jQuery usage warnings in PHPStorm IDE
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edited Aug 14 '14 at 2:07
answered May 18 '13 at 2:14
Mi...
Error: No default engine was specified and no extension was provided
...ually also have message in the returned object:
res.status(err.status || 500);
res.json({
message: err.message,
error: err
});
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