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Java: Detect duplicates in ArrayList?
... Would it be more efficient to tell the HashSet how much space to allocate: Set<T> set = new HashSet<T>(list.size());? Given a List parameter I think it is more efficient if it is common for the list to not contain duplicates.
– Paul Jackson
...
Add new item in existing array in c#.net
... better way to expand an array then by all means, post it. I doubt your re-allocation and manual copy will be better than using a List though. Sometimes the answer is "don't do that."
– Ed S.
Feb 14 '19 at 20:59
...
Run cron job only if it isn't already running
...'s just a shell script:
#!/bin/sh
if ps -ef | grep -v grep | grep doctype.php ; then
exit 0
else
/home/user/bin/doctype.php >> /home/user/bin/spooler.log &
#mailing program
/home/user/bin/simplemail.php "Print spooler was not running... Restarted."
...
mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
...ion:
NOTE The mysql_ functions are deprecated and have been removed in php version 7.
Check $result before passing it to mysql_fetch_array. You'll find that it's false because the query failed. See the mysql_query documentation for possible return values and suggestions for how to deal with th...
Should I use a data.frame or a matrix?
...ter in the code of the function only new values were recorded into already allocated spaces, and there was no overhead of adding new rows to the DF. This makes the comparison even more fair, and it also made my job simpler as I did not need to rewrite anything further in the function. Just one line ...
How to convert 1 to true or 0 to false upon model fetch
...d"]==="0"); // false
console.log(obj["isChecked"]==="Elephant"); // false
PHP
Same concept in PHP
$obj["isChecked"] = ($obj["isChecked"] == "1");
The same operator limitations as stated above for JavaScript apply.
Double Not
The 'double not' also works. It's confusing when people first read it but...
WordPress is giving me 404 page not found for all pages except the homepage
...ermalinks which should be : http://yoursite.com/wp-admin/options-permalink.php
Choose Default permalink setting, then save changes
Then you can return it again to your other previous permalink choice or keep it as default as yo wish
Note that this problem can happen when you move your site from ...
Calculate relative time in C#
...
Here a rewrite from Jeffs Script for PHP:
define("SECOND", 1);
define("MINUTE", 60 * SECOND);
define("HOUR", 60 * MINUTE);
define("DAY", 24 * HOUR);
define("MONTH", 30 * DAY);
function relativeTime($time)
{
$delta = time() - $time;
if ($delta < 1...
read file from assets
...
You double-allocate memory - first for the buffer and then for the String. Does not work for bigger files.
– JaakL
Jun 28 '17 at 10:10
...
Algorithm to randomly generate an aesthetically-pleasing color palette [closed]
...n in their web page.
http://tools.medialab.sciences-po.fr/iwanthue/index.php
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