variables

can php return a boolean? => return $aantal == 0;

hi very short question can php return a boolean like this: return $aantal == 0; like in java you can public boolean test(int i) { return i==0; } or do you Have to use a if contruction? because if i do this. $foutLoos = checkFoutloos($aantal); function checkFoutloos($aantal) { return $aantal == 0; } echo "foutLoos = $foutLoo...

How to assign HTML as a variable value in PHP?

My goal is to store some html-formatted data in a variable, then echo it later. For example: <?php $foo = '<div id="x">'; echo $foo; ?> The above doesn't work. Why? Edit Sorry for the bad question. I thought it didn't work because nothing is visible when viewed in a browser. Of course nothing is visible because there is only a div...

Cakephp: how to access to model "variables" (mapped from db) from the controller after a set?

Ok i have this controller: class ExampleController extends AppController { var $name = 'Example'; public function test_me () { $this->Example->Create(); $this->Example->set( 'variable_from_db_1' => 'random_value_1', 'variable_from_db_2' => 'random_value_2' ); //here, how can i...

is static variable in c re-allocated everytime calling a function?

Suppose I have a static variable declared inside a function in c. If I call that function multiple times, does the static variable get re-allocated in memory every time the function call? If it does, why the last value can always be maintained? Example: void add() { static int x = 1; x++; printf("%d\n",x); } int main() { ...

Modify javascript code to iterate through all variables in the form

I have the following code that worked fine till now as I decided to add more variables to the form. How can I make this function smart and itterate and pass all the variables in the form? function getquerystring(strFormName) { var form = document.forms[strFormName]; var word = form.clock_code.value; qstr = 'clock_co...

scheme and set!

How can I change the value of a variable via a function that consumes lambda parameter? Ie: ;;definitions (define test "fails") (define (experiment input) (set! input "works")) ;;interactions > test "fails" > (experiment test) > test "fails" This seems to fail.. Regards ...

Shell script variables - command not found

I have a shell script that will let me access global variables inside the script, but when I try to create my own, it responds with: command not found. #!/bin/bash J = 4 FACE_NAME = "eig$J.face" USER_DB_NAME = "base$J.user" When I run the above script I get: ./test1.sh line 2: J: command not found ./test1.sh line 3: FACE_NAME: comman...

asp.net code behind variable

I am generating some head html in page load and because of that I query database once. in the page I query database again and put data into html with inline code. my question is is there better way to do this? I dont want to query database everytime and reach out those filled variables from inline code. something like page.addVariable ...

Codeigniter: Variables/Config Items within Language Files

I have a language file with a long list of strings for my view files. My question is how to pass a variable or a config item to a language file? <?php $lang['error_activation_key_expired'] = 'The activation key you have attempted using has expired. Please request a new Activation Key <a href="'.$this->config->item('base_url').'member/re...

C# Passing value of a list element to update local variable

I have a few local variables and I want to divide them all divide them all by the same number. decimal a = 0; decimal b = 0; decimal c = 0; ... decimal n = 0; decimal divisor = 0; <perform calculations to give all variables meaningful values> divide each decimal (a - n) by divisor then assign value Beside dividing and assigning eve...

Why does this code in VBA Power Point work fine witout Dim commands for numbers?

From one of VBA tutorials I learned that variables contining numbers should be firstly declared as integers: Dim mynumber as integer But, please, look at this code: Sub math() A = 23 B = 2 ABSumTotal = A + B strMsg = "The answer is " & "$" & ABSumTotal & "." MsgBox strMsg strMsg = "The answer is " & "$" & Sqr(AB...

How to dynamically generate variables in Action Script 2.0

I have a for loop in action script which I'm trying to use to dynamically create variable. Example for( i = 0 ; i i++) { var MyVar+i = i; } after this for loop runs, i would like to have 3 variables named MyVar1, MyVar2, MyVar3. I know the code above will give you a syntax error, but that is just to illustrate what I am trying...

C Programming: Forward variable argument list.

Hi, I'm trying to write a function that accepts a variable number of parameters like printf, does some stuff, then passes the variable list to printf. I'm not sure how to do this, because it seems like it would have to push them onto the stack. Something approximately like this http://pastie.org/694844 #include <stdio.h> #include <st...

Dynamic Variable Names Coldfusion

Hey Guys, I'm having a tad of an issue dealing with Dynamic Variable Names. What is happening is I have a CFC that builds part of form for me using some data in a table. Then the cfc sends the form's code back to the page as a string. Well I need to assign values to these form fields so people don't overwrite the data. I'm pulling the da...

To calculate the chernoff's bound for the sum of N poisson randon variables

Let X = sum of n iid random variables. X = \sum_{i=1}^n X_i where n is a poisson random variable with some mean i have to calculate Pr(X > a) I am not able to apply the chernoff's bound theorem as poisson random variable is in th epower. pl help me Ranjan ...

calling a variable inside html

I am trying to make a script that when you type in a hex value and press submit itchanges the text color to the color inputted. It seems the problem is the way i am calling the variable "userInput" inside the variable new html Any Ideas? <script type="text/javascript"> function changeText3(){ var userInput = document.getElementB...

Calling a JavaScript function named in a variable

I have a JavaScript variable which contains the name of a JavaScript function. This function exists on the page by having been loaded in and placed using $.ajax, etc. Can anyone tell me how I would call the javascript function named in the variable, please? The name of the function is in a variable because the URL used to load the page...

Which command in VBA can count the number of characters in a string variable?

Let's say I have this variable: word = "habit" which command in VBA will allow me to count how many characters are there in this variable (in my case it's 5). Important: the variable "word" contains only one word, no spaces, but may have contain numbers and hyphens. ...

How can I use a variable's value as a Perl variable name?

Sorry about all these silly questions, I've been thrust into Perl programming and I'm finding it really hard to think like a Perl programmer. Silly question for today: I load a pipe delimited file into a hash using the id field as the key, like so #open file my %hash; while (<MY_FILE>) { chomp; my ($id, $path, $date) = split ...

How does php cast boolean variables?

How does php cast boolean variables? I was trying to save a boolean value to an array: $result["Users"]["is_login"] = true; but when I use debug the is_login value is blank. and when I do conditionals like: if($result["Users"]["is_login"]) the conditions are always false. Then i tried doing this: $result["Users"]["is_login"] = "...