What does the [] mean? Also how can I identify variables as empty arrays in python? 开发者_开发技巧Thanks!
In MySQL it is possible to include MySQL-specific SQL-statements within generic/standard SQL by using a specific comment syntax such as follows:
I was wondering if you can define your own attributes in HTML. For example in HTML divs there\'s a range of attributes, such as style, title, class etc. Can you make up and add your ow开发者_如何学运维
I\'ve put some code together which partially works and throws up no errors in Firebug. jQuery( document ).ready( function( $ ) {
In Objective-C, it is possible to pass a class as a parameter to a method: - (void) m开发者_如何学JAVAethodThatTakesClass:(Class)theClass;
I am having difficulty running the following command in PHP开发者_开发知识库: $con = mysql_connect(\"host\", \"username\", \"password\") or die (\"Unable to connect to server\");
I have a subroutine in excel that I would like to write data to an Access table. I am trying to update a row in the table if it alr开发者_如何学Ceady exists, add it if it does not. Going off of the su
I\'m having trouble with a mysql query in php the query is INSERT INTO rfqtable (rfqnumber, prnumber, linenumber, shipmentnumber, item, desc, needbydate, uom, rfqqty, quotedqty, unitprice, amo开发者_
I am familiar with Sybase which allows queries with format: IF EXISTS () THEN ... ELSE ... END IF (or very close).This a powerful statement that allows: \"if exists, then update, else insert\".
Forgive me if this is a common thing but I\'m not sure how I should go about it. I would like to see if three variables are identical to each other