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Laravel Check If Related Model Exists
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In php 7.2+ you can't use count on the relation object, so there's no one-fits-all method for all relations. Use query method instead as @tremby provided below:
$model->relation()->exists()
generic solution working on...
Strtotime() doesn't work with dd/mm/YYYY format
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You can parse dates from a custom format (as of PHP 5.3) with DateTime::createFromFormat
$timestamp = DateTime::createFromFormat('!d/m/Y', '23/05/2010')->getTimestamp();
(Aside: The ! is used to reset non-specified values to the Unix timestamp, ie. the time will be m...
Linux下安装项目管理工具Redmine - 开源 & Github - 清泛网 - 专注C/C++及内核技术
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2、RubyGems安装
# wget http://rubyforge.org/frs/download.php/60718/rubygems-1.3.5.tgz
# tar zxvf rubygems-1.3.5.tgz
# cd rubygems-1.3.5
# ruby setup.rb
3、Rake安装
# gem install rake //直接使用gem命令安装rake.
//也可以下载安装地址...
How do I parse JSON with Ruby on Rails? [duplicate]
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Let's suppose, the object you want to associate the shortUrl with is a Site object, which has two attributes - short_url and long_url. Than, to get the shortUrl and associate it with the appropriate Site object, you can do something like:
parsed_json["results"].each do |longUrl, convertedUrl|
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How does OAuth 2 protect against things like replay attacks using the Security Token?
...derstand it, the following chain of events occurs in OAuth 2 in order for Site-A to access User's information from Site-B .
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How can I make a button redirect my page to another page? [duplicate]
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try
<button onclick="window.location.href='b.php'">Click me</button>
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How do I find files that do not contain a given string pattern?
...rm case insensitive matching.
If you use l (lowercased) you will get the opposite (files with matches)
-l, --files-with-matches
Only the names of files containing selected lines are written
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how do i remove a comma off the end of a string?
... Good suggestion. However, not all concatenations may take place in PHP. In my case, I am sending a Javascript concatenated string for PHP to unravel.
– Sablefoste
Sep 11 '15 at 19:49
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MySQL ON DUPLICATE KEY - last insert id?
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It is said that php function mysql_insert_id() returns correct value in both cases: php.net/manual/en/function.mysql-insert-id.php#59718.
– jayarjo
Jun 10 '10 at 13:09
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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."
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