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How to concatenate strings in twig

...like Alessandro said, and here it is in the documentation: ~: Converts all operands into strings and concatenates them. {{ "Hello " ~ name ~ "!" }} would return (assuming name is 'John') Hello John!. – http://twig.sensiolabs.org/doc/templates.html#other-operators And here is an example so...
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Getting raw SQL query string from PDO prepared statements

Is there a way to get the raw SQL string executed when calling PDOStatement::execute() on a prepared statement? For debugging purposes this would be extremely useful. ...
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如何建立一套适合自己的高胜算交易系统 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...人若想在效率市场持续稳定的赢利,必须成功的解决两大问题:1、如何在高度随机的价格波动中寻找非随机的部分;2、如何有效的控制自身的心理弱点,使之不致影响自己的理性决策。很多投资家的实践都证明,交易系统在上...
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PHP Warning: PHP Startup: Unable to load dynamic library

... 3. or install the missing expected extension – Andrew May 3 '17 at 12:58 ...
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Where do I put image files, css, js, etc. in Codeigniter?

....php: function asset_url(){ return base_url().'assets/'; } I will usually keep common routines similar to this in the same file and autoload it with codeigniter's autoload configuration. Note: autoload URL helper for base_url() access. application/config/autoload.php: $autoload['helper...
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How to “log in” to a website using Python's Requests module?

...name and password, so we go to the login page say http://example.com/login.php now and view it's source code and search for the action URL it will be in form tag something like <form name="loginform" method="post" action="userinfo.php"> now take userinfo.php to make absolute URL which wil...
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What is the difference between public, private, and protected?

...ly. protected scope when you want to make your property/method visible in all classes that extend current class including the parent class. If you don't use any visibility modifier, the property / method will be public. More: (For comprehensive information) PHP Manual - Visibility ...
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How can I catch a “catchable fatal error” on PHP type hinting?

...assA::method_a() must be an instance of ClassB, instance of ClassA given, called in [...] catched: Argument 1 passed to ClassA::method_a() must be an instance of ClassB, instance of ClassWrong given, called in [...] method_a: ClassB method_a: ClassC done. Old answer for pre-php7 versions: http:/...
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Type-juggling and (strict) greater/lesser-than comparisons in PHP

...RUE); // bool(false) Extra: PHP's < operator is not trichotomous, i.e. all of $a < $b, $b < $a and $a == $b can be false (Example same as for <= not being total). Extra: PHP's < operator can be circular, i.e. it is possible that $a < $b, $b < $c and $c < $a: var_dump(INF &...
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Can I read the hash portion of the URL on my server-side application (PHP, Ruby, Python, etc.)?

...ect to that other url in your other page. Not awesome, and doesnt work for all use cases of course, but does work for bookmarks. Note that if you do this, you shouldnt allow redirects to absolute urls, only relative urls, to ensure you don't open yourself up to unsafe redirects ...