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How does “cat
...nto stdin. See https://en.wikipedia.org/wiki/Here_document#Unix_shells for more details.
From man bash:
Here Documents
This type of redirection instructs the shell to read input from
the current source until a line
containing only word (with no trailing
blanks) is seen.
All ...
How does IPython's magic %paste work?
... In Ipython 5 you can just paste the code. Don't need %paste anymore. Read this answer.
– Levon
Jul 17 '16 at 9:19
...
Performance of foreach, array_map with lambda and array_map with static function
...are with mcfedr's answer below for additional results without XDebug and a more recent PHP version.
function lap($func) {
$t0 = microtime(1);
$numbers = range(0, 1000000);
$ret = $func($numbers);
$t1 = microtime(1);
return array($t1 - $t0, $ret);
}
function useForeach($numbers) {
$re...
In a URL, should spaces be encoded using %20 or +? [duplicate]
...e.com |
+---------------+-------------------+
If we look at a more
complex URL such as
"https://bob:bobby@www.lunatech.com:8080/file;p=1?q=2#third" we can
extract the following information:
+-------------------+---------------------+
| Part | Data |
+...
Ruby: How to get the first character of a string
...
You can use Ruby's open classes to make your code much more readable. For instance, this:
class String
def initial
self[0,1]
end
end
will allow you to use the initial method on any string. So if you have the following variables:
last_name = "Smith"
first_name = "Joh...
Converting JSON data to Java object
...
|
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47
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Flatten nested dictionaries, compressing keys
... Changed it to test for collections.MutableMapping to make it more generic. But for Python < 2.6, try..except is probably the best option.
– Imran
May 17 '11 at 7:55
...
tooltips for Button
...tom right of the screen then the tooltip scrambles over the mouse pointer. More generally: the position of the tip isn't smart sometimes... but I guess that's just the browsers then.
– gideon
Jul 21 '17 at 6:21
...