I have an Access table with a date/time field. I wanted to make a composite Key field out of 开发者_运维技巧the date/time field and 3 other text fields in the same format as the matching Key field in
This is from the php manual: http://us.php.net/manual/en/language.constants.syntax.php If you use an undefined constant, PHP assumes that you mean the name of the constant itself开发者_JS百科, just
I am trying to write a Ruby script in one file. I would like to know if it is possible to write the \"main\" function in the beginning, having the other functions that are used by main, defined after
Why is it saying that \"lbp is undefined\" on the line of \"creditText\"? How do I refer to previous properties in a config file such as this?
What could potentially stop an AJAX call from working on the host server, when it works fine on the local host? I tried returning an error from the AJAX call, but all I get is \'undefined\'. I don\'t
<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">
How do I determine if variable开发者_运维知识库 is undefined or null? My code is as follows: var EmpName = $(\"div#esd-names div#name\").attr(\'class\');
If a is undefined, this works: if(window.a) {} while this throws an error: if(a) Can 开发者_StackOverflow中文版someone explain why?window.a is a property of window and it\'s undefined. a is a va
First of all I am completely new to AS3. I want to create a simple website, with 3 buttons. Once you click on the button, content should a开发者_如何学Cppear next to it. But i have trouble
We are frequently using the following code pattern in our JavaScript code if (typeof(some_variable) != \'undefined\' && some_variable != null)
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