variables

Do i need to convert a sessionvariable to string?

. Session("UserName") = "Sally" Dim userName As String = Session("UserName") Do i need to convert the session variable to string if i wanna follow "good coding practices"? Ex: Session("UserName") = "Sally" Dim userName As String = Convert.ToString(Session("UserName")) ...

XCode view c++ class member in debugger?

Hello, I just can't see c++ class member value while I moved mouse on it. For locally variables it works fine, and off course I can see class member values in Debugger (separated window) but it's not so comfortable. This problem wasn't in xcode 3.0 version... (only >3.0) P.S. I am sure that I am on Debug not Release project. ...

Including a file via variable

This seems like the most basic thing in the world, but I don't know PHP. I am trying to include a file on my page, and the directory of that file is specified inside of a variable. <?php $pageGroup = 'news'; $directory = 'http://localhost:8888/includes/'.$pageGroup.'/rightCol.html'; include($directory); ?> When I echo the...

class variable is reset each request

i hava a class that hold a list for each request but each request the list is empty again what can i do to make it live here is my class , i want the list to hold values from previews requests (yes each request i'm settings a value there ) class Sessions{ private static $list = array(); .... ..... } ...

passing variables between function in jQuery

I have a ajax image upload script which i found here http://www.fengcool.com/2009/06/ajax-form-upload-local-image-file-without-refresh/ The problem i'm having is removing the image from the server. I read in the comments that I need to do an ajax call to call a php file to unlink the image. The php file isn't a problem and i think...

Do you need to reset a pthread condition variable after use?

Hi all. Just getting started with pthreads & condition variables. I have an object that has a couple of mutexes and a condition variable as members. I initialize them all in the constructor. After using the condition variable to signal waiting threads, do I need to reset it somehow if the object's state changes and the condition is n...

JS λ-functions & "upper context" variables

Say I have some context where variables are set and a λ-function is called which uses them directly: function outerContext(){ ... var data = ...; // some data the script uses ... someObject.method = function(){ data; // the variable is used here }; ... } I know that the dynamically created funct...

In Rails, I'm trying to pass an attribute to a Model's "new" method, then to the "create method". What's the most efficient way to do this?

In my Rails application I have a Forum with many Topics. From the Forum's, "show" page I have a list of Topics with a link to create a new Topic. My goal is to make sure that when creating the new Topic I have the ID of the Forum when I get to the Topic's "create" method. Right now I'm thinking I'd have to create a hidden field on the To...

PHP: How to loop through a dynamic number of classes

I'm wanting to detect all objects(classes) defined in a php file (example: flavors.php). The number of objects will be defined dynamically, so I need to process the available objects with a function at runtime until the objects are exhausted. After the objects are exhausted the program stops. I have full control over the code, so if the...

Selecting values from 2 javascript variables

I have got 2 javascript variables: var list1 = "john doe|bill williams|poll bregg|michael jordan"; var list2 = "analytic|trader|doctor|athlete"; We have to take in mind, that relations between this two variables are that names and professions are placed in the same order, eg. poll bregg is a doctor, but john doe is an analytic. Than ...

converting a variable name to a string in C++

Hi, I'd like to output some data to a file. For example assume I have two vectors of doubles: vector<double> data1(10); vector<double> data2(10); is there an easy way to output this to a file so that the first row contains the headings 'data1' and 'data2' followed by the actual contents. The function which outputs the data will b...

global variables in python

class AlphaBetaAgent(MultiAgentSearchAgent): def action(self,gamestate): self.alpha= -9999 self.beta = 9999 def abc(gamestate, depth, alpha, beta): def bvc(gamestate, depth, alpha, beta): return abc(gamestate, 0, alpha, beta) I am calling the getAction function which itself calling the abc funct and abc funct...

C# string.Contains using variable.

string[] pullspec = File.ReadAllLines(@"C:\fixedlist.txt"); foreach (string ps in pullspec) { string pslower = ps.ToLower(); string[] pslowersplit = pslower.Split('|'); var keywords = File.ReadAllLines(@"C:\crawl\keywords.txt"); if (pslower.Contains("|")) { ...

Can a variable holds multiple records in user defined functions in MySQL ?

I have a user defined function. In that function I declared a variable of type datetime. I am assigning the result of a query into this variable. And I am returning this assigned value. It looks like delimiter$$ drop function if exists getQEDate$$ create function getQEDate() returns datetime begin declare qedate datetime; select ...

SQL date format bind variable

Can anyone please tell me what is wrong with this SQL query. "select USERNAME, DATECREATED, CREDTYPE, USAGETYPE, OPERATIONID, TXNID, CALLERID from arwfissuanceauditlog where OPERATIONID in (2104,2107) and datecreated >= 'to_date('2010/06/21', 'yyyy/MM/dd HH24:MI:SS')' and datecreated < 'to_date('2010/08/03', 'yyyy/MM/dd HH24:MI:SS')'" ...

Pass a Variable Up the Navigation Stack? - iPhone

Hi, I am able to pass a variable forward from view controller to view controller by pushing its view controller onto the navigation stack. An example of how I do it would be this: MyViewController *controller = [[MyViewController alloc] initWithNibName:@"MyViewController" bundle:nil]; controller.myString = stringToPass; [self.navigatio...

Declaring & Setting Variables in a Select Statement

I'm attempting to write a simple query where I declare some variables and then use them in a select statement in Oracle. I've been able to do this before in SQL Server with the following: DECLARE @date1 DATETIME SET @date1 = '03-AUG-2010' SELECT U.VisualID FROM Usage u WITH(NOLOCK) WHERE U.UseTime > @Date1 From the searching I've ...

Conversion from unsigned int to float

warning C4244: '=' : conversion from 'unsigned int' to 'float', possible loss of data Shouldn't a float be able to handle any value from an int? unsigned int: 0 to 4,294,967,295 float 3.4E +/- 38 (7 digits) Wiki: The advantage of floating-point representation over fixed-point (and integer) representation is that it ...

Increasing value of Javascript Variables?

Hello! im processing link click events with mootools. in my html i have a links with the id of this pattern: toggle_NUMBER e.g. toggle_1 now i get the id with this peace of code var id = $(this.get('id').replace(togglePrefix,emptyPrefix)); my problem starts now: i remove the prefix this way var togglePrefix = 'toggle_', boxP...

EJB3 Stateless Session Bean using instance variable

Hi, I've noticed some strange code on a project I am working on - its a SLSB EJB3, and it uses a private instance variable to maintain a cache of data (it even calls it dataCache or something), with a getter/setter. For EJB2 and bellow, this was a typical EJB antipattern - SLSBs are not meant to retain state in between invocations, ther...