variables

PHP: testing two double-variables gives different result without changing the variables

Dear All, in my code i have two double values. Lets call them $a and $b. now I want to test which one of them is larger, so I wrote the following: print ($a > $b ? "larger\n" : "smaller\n"); print ($a > $b ? "larger\n" : "smaller\n"); strangely the result is larger smaller does anybody encountered a similar problem before? This pr...

What's the diffrence btw System property and system environment variable

Hi all I am not clear about this. When I run a java App or run an Applet in applet viewer,( in the IDE environment), System.getProperty("java.class.path") give me the same as System.getenv("CLASSPATH"), which is the CLASSPATH env variable defined. But when I deploy my applet to webserver and access it from the same computer as a clien...

Use of unassigned local variable 'xxx'

I'm writing a database importer from our competitors to ours database:) I have a code generator which create Methods form import to our database like public void Test_Import_Customer_1() // variables string conn; string sqlSelect; string sqlInsert; int extID; string name; string name2; DateTime date_inserted; sqlSelect="sel...

C# Inherited member variables behaving undexpectedly

If I have a class like this: class A { public string fe = "A"; } And a class that inherits from it like so: class B : A { public string fe = "B"; } Visual C# will tell me that B.fe hides A.fe so I should use the new keyword. So I change class B to look like: class B : A { public new string fe = "B"; } And then I have...

Is it bad for performance to extract variables from an array?

Hi everyone, I have found out about the great extract function in PHP and I think that it is really handy. However I have learn that most things that are nice in PHP also affects performance, so my question is which affect using the extract can have, seen in a performance perspective? Is it a no-no to use for big applications to extrac...

What's the best way to add custom configuration variables in Flex?

We have to deploy a flex app through a series of development tiers. We are not using Blaze_DS or LCDS. My data/service urls are tier specific and are currently embedded in AS files. We'll be building the project on each tier. I'd like to make them environment variables, but am not sure what the best way to do at compile/build. Is ther...

Can SQL Server 2008 use a variable in a WHERE IN clause

Are there any updates in SQL 2008 to allow a variable for the IN of a where clause? Declare @InParams varchar(100) Set @InParams = '1,2' Select * from Category Where CategoryID in @InParams ...

Can't access form elements

Hi, my problem is that my variables are not working in javascript. all variables need names without some character at the beginning, this is the stupid thing...Anyways, im trying to make a funtion that makes "select all checkboxes". It is not working so i looked at the page source/info and found out that the variables were not changing. ...

PHP echo if post equals, help

I am trying to echo the action for my form if a post equals 'paypal' This is what I have: <?php if $_POST['method'] == 'paypal' echo 'action="paypal/process.php"' else echo 'action="moneybookers/process.php" '?> Do i need to print the variable before I do this? what am I doing wrong? I get this error: Parse error: syntax error, un...

How to ignore %% from being evaluated?

Hi, one of my variables has the value %val% - this is exactly the name! So: set variable=%val% What happens now is that when running the script the variable will be set to nothing as the %val% is being evaluated! But this is not what I want... How can I tell DOS to ignore the %-sign here? Can anybody out there help me with my questio...

php troubles with coding variables

I am trying to echo certain values if the variable $cardtype == $paymentmethod = if( $cardtype == 'visa' ) echo 'VSA'; elseif ( $cardtype == 'mastercard' ) echo 'MSC'; elseif ( $cardtype == 'mastercard' ) echo 'MSC'; elseif ( $cardtype == 'maestro' ) echo 'MAE'; elseif ( $cardtype== 'amex' ) echo 'AMX'; How would I do this???...

PHP concatenate variable

Hi guys. Might be an easy question for you guys. can't find it on google. I am trying to concatenate two variables name; $i=0; for ($i=0;$i<5;$i++){ if($array[$i]>0){ $test.$i=//do something }else{ $test.$i=//do something } } //echo $test0 gives me nothing. //echo $test1 gives me nothing. I know I can't use $test.$i b...

How can I simplify this redundant code?

Can someone please help me simpling this redundant piece of code? if (isset($to) === true) { if (is_string($to) === true) { $to = explode(',', $to); } $to = array_filter(filter_var_array(preg_replace('~[<>]|%0[ab]|[[:cntrl:]]~i', '', $to), FILTER_VALIDATE_EMAIL)); } if (isset($cc) === true) { if (is_string(...

Optimal (Time paradigm) solution to check variable within boundary

Hi All, Sorry if the question is very naive. I will have to check the below condition in my code 0 < x < y i.e code similar to if(x > 0 && x < y) The basic problem at system level is - currently, for every call (Telecom domain terminology), my existing code is hit (many times). So performance is very very critical, Now, I ne...

Auto-Completion in Unix VI editor

Hey guys, after using graphical IDE's like Visual Studio, I'm used to pressing CTRL+Space to auto-complete a variable or function name. Now, I know such a thing isn't completely possible in VI, but I heard there was a list of commands that could be mapped that allowed automatic completion of variables and functions in the current file op...

Is there a var type equivalent in C++?

So I know that C++ is strongly typed and was just wondering if there was any library (or any thing for that fact of the matter) that would allow you to make a variable that has no initial specific type like var in Python. ...

Can I view a list of public variables of some Adobe Air app or web flash file from another app?

I was thinking about creating making AIM pluggin that checks pandora one (desktop) or pandora website periodically to see what is currently playing and update a user's status. I suppose the main question is there a clever way to access a "public" variable from some open Adobe Air process? I KNOW this sounds like some crazy security fla...

AuthLogic - how to determine current user id throughout the system?

Hi all, I have set up AuthLogic almost exactly as per the AuthLogic example app at http://github.com/binarylogic/authlogic_example. After someone logs in as User, they can click on links that send them away into the system and away from the users controller. This is an incredibly noob question, but how can I access that User's ID and o...

PHP Get variable to equal value of switch

I am trying to get a variable on my page to equal the result of a switch I have. This is the code: $payment_method = switch ($cardtype) { case "visa" : echo "VSA"; break; case "mastercard" : echo "MSC"; break; case "maestro" : echo "MAE"; break; case "amex" : echo "AMX" ; break; default : echo "Please specify a payment method!"; break;...

PHP echo text if variable is blank

I am trying to echo €00.00 if my variable $amount equals zero I have done something wrong can you help?? Code while ($row9 = mysql_fetch_array($result9)) { $amount = $row9['amount']; } //$amount = $amount / 60; //$amount = round($amount, 2); if $amount == 0 echo "<b>Balance: &#8364;00.00</b>"; else echo "<b>Balance: $$amount</b>"; ...