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In where shall I use isset() and !empty()
...riables and not just values, so isset("foobar") will raise an error. As of PHP 5.5, empty supports both variables and expressions.
So your first question should rather be if isset returns true for a variable that holds an empty string. And the answer is:
$var = "";
var_dump(isset($var));
The typ...
Force SSL/https using .htaccess and mod_rewrite
... can I force to SSL/https using .htaccess and mod_rewrite page specific in PHP.
9 Answers
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What is the best collation to use for MySQL with PHP? [closed]
...gs should be the same, such as MySQL, Apache, the HTML and anything inside PHP.
11 Answers
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Get original URL referer with PHP?
...%2fstackoverflow.com%2fquestions%2f1864583%2fget-original-url-referer-with-php%23new-answer', 'question_page');
}
);
Post as a guest
Name
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List files in local git repo?
...ng the ID/SHA-1 of the directory that you want to explore and then use git cat-file -p [ID/SHA-1 of directory]. For example:
git cat-file -p 14032aabd85b43a058cfc7025dd4fa9dd325ea97
100644 blob b93a4953fff68df523aa7656497ee339d6026d64 glyphicons-halflings-regular.eot
100644 blob 94fb5490a2ed10b2...
What's the opposite of 'make install', i.e. how do you uninstall a library in Linux?
...package has been correctly configured for an make uninstall option. Clarification: what he wants to do is to enable some kind of management for packages that works for things he compiled himself.
– Nisse
Jul 27 '13 at 6:11
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整合phpcms v9和discuz X3.2实现同步登陆、退出免激活 - 更多技术 - 清泛网...
整合phpcms v9和discuz X3.2实现同步登陆、退出免激活内容管理选择了phpcms v9，社区论坛选择了discuz X3 2，现在需要实现两个系统的同步注册、登陆、退出。discuz所属康盛公司为我们提供了解决方案，那就是通过UCenter实现多系统间通...
“Insert if not exists” statement in SQLite
...roceed.
I would advice that you instead design your table so that no duplicates are allowed as explained in @CLs answer below.
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Is there a performance gain in using single quotes vs double quotes in ruby?
... ruby -v
ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-darwin11.0.0]
$ cat benchmark_quotes.rb
# As of Ruby 1.9 Benchmark must be required
require 'benchmark'
n = 1000000
Benchmark.bm(15) do |x|
x.report("assign single") { n.times do; c = 'a string'; end}
x.report("assign double") { n.times...
DROP IF EXISTS VS DROP?
...r 5 '12 at 11:31
Mike Sherrill 'Cat Recall'Mike Sherrill 'Cat Recall'
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