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How do I add 24 hours to a unix timestamp in php?
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You probably want to add one day rather than 24 hours. Not all days have 24 hours due to (among other circumstances) daylight saving time:
strtotime('+1 day', $timestamp);
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How to get the first item from an associative PHP array?
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More information on the reset function: www.w3schools.com/php/func_array_reset.asp
– Paul Chris Jones
Dec 17 '19 at 12:38
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How to detect duplicate values in PHP array?
I am working with a one dimensional array in PHP. I would like to detect the presence of duplicate values, then count the number of duplicate values and out put the results. For example, given the following array:
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MySQL “WITH” clause
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Update: MySQL 8.0 is finally getting the feature of common table expressions, including recursive CTEs.
Here's a blog announcing it: http://mysqlserverteam.com/mysql-8-0-labs-recursive-common-table-expressions-in-mysql-ctes/
Below is my earlier answ...
How to preview git-pull without doing fetch?
...EAD...origin/master (three dots not two) to show a single diff.
There normally isn't any need to undo a fetch, because doing a fetch only updates the remote branches and none of your branches. If you're not prepared to do a pull and merge in all the remote commits, you can use git cherry-pick to ac...
请停下来重新想下 你究竟为何创业？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...这种成功的概念有多么的狭隘。
首先，请仔细思考这个问题：你为何在这里？
“在这里，你可以接触到最顶尖的企业与最火的创业公司：除了是创业公司，世界顶尖企业的高管们也会出席这场关于直击未来的盛会，他们将与...
New line in JavaScript alert box
... Why is this answer underrated? if your are thinking way more dynamically in terms of programming webpages this is a big help.
– Jimwel Anobong
Oct 25 '17 at 12:59
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What's quicker and better to determine if an array key exists in PHP?
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@FrancescoPasa Well, "search for the keys" is what PHP documentation says. Other than that, I can't tell if "search" to them means something completely different to what it means to me.
– Rain
Apr 22 at 6:09
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Difference between var_dump,var_export & print_r
...2] => 42
[3] => Array ([0] => 42)
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var_export prints valid php code. Useful if you calculated some values and want the results as a constant in another script. Note that var_export can not handle reference cycles/recursive arrays, whereas var_dump and print_r check for these. var_exp...
How to query MongoDB with “like”?
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Actually, it depends. If the query doesn't use an index, and must do a table scan, then it can certainly be expensive. If you're doing a 'starts with' regex query, then that can use an index. Best to run an explain() to see what'...