variables

ssh-keygen accepting stdin

I am trying to call ssh-keygen using a variable through bash as an input instead of a file to get a fingerprint of a public key. I am aware that I could use a temp file to get around this issue, but for reasons out of scope of this question, I do not want to. This method does not work as it says the key file is invalid (it's correct fo...

- Default value of variables at the time of declaration -

Hey guys, I was wondering what was the default values of variables before I intialize them .. For example, if I do : //myClass.h BOOL myBOOL; // default value ? NSArray *myArray; // default value ? NSUInteger myInteger; // default value ? Some more examples here : //myClass.m // myArray is not initialized, only declared in .h fil...

python bind a type to a variable

I am a Python noob. I create a class as follows: class t1: x = '' def __init__(self, x): self.x = x class t2: y = '' z = '' def __init__(self, x, y, z): self.y = t1.__init__(x) self.z = z Now contrary to C++ or Java, I do not bind the data type to y while writing the class definition. It i...

jQuery UI Dialog pass on variables

Hi, I'm creating a Web interface for a table in Mysql and want to use jQuery dialog for input and edit. I have the following code to start from: $("#content_new").dialog({ autoOpen: false, height: 350, width: 300, modal: true, buttons: { 'Create an account': function() { alert('add this produc...

Doubts in ada language

HI all, I am a beginner in the ada language.I have an short piece of code.Can anyone please tel me what does it mean? type Myarr_Type is array (Character) of Character; Myarr : Myarr_Type; C1 : character := character'first; C2 : character := character'last; My question is 1)What does C1 and C2 contain according to the above c...

Session Variable Not Being Saved When Using Wizard Control ASP.NET

I have a wizard control. When someone clicks a button within the wizard control I automatically advance to the next step (rather than forcing them to click next). However, this seems to cause the session state variable not to be saved. I've done some research and noticed that Response.Redirect does hard redirects that truncate page execu...

Session Variable Not Being Updated? ASP.NET

I have a three step wizard. On the first step I use a repeater to create a series of buttons that an individual can select from. When the user selects one of the buttons the value of the button is saved to session state. They are taken to the next step and shown a similar list of buttons that are based on what they previously selected. T...

Pass a variable into a trigger

I have a trigger which deals with some data for logging purposes like so: CREATE TRIGGER trgDataUpdated ON tblData FOR UPDATE AS BEGIN INSERT INTO tblLog ( ParentID, OldValue, NewValue, UserID ) SELECT deleted.ParentID, deleted.Value, inserted.Value, @intUserID -- how can I pass this in? FROM inserted IN...

Variable reference problem when loading an object from a file in Java

I have a problem with the reference of a variable when loading a saved serialized object from a data file. All the variables referencing to the same object doesn't seem to update on the change. I've made a code snipped below that illustrates the problem. Tournament test1 = new Tournament(); Tournament test2 = test1; try { ...

How to determine if variable is 'undefined' or 'null'

How do I determine if variable is 'undefined' or 'null'. My code is as follows: EmpName = $("div#esd-names div#name").attr('class'); if(EmpName == 'undefined'){ ///DO SOMETHING///// }; ...

How do I delete a '_' prefix on a variable using jQuery?

I have a variable that reads as _123456 and I need to delete the underscore prefix on this variable before storing it to a field. How do I do this? var value = "_123456" ...

A javascript variable used in multiple Web pages

Is there any way to define a variable that can be used in multiple Web pages? For example, a string variable stores a certain value in page A and that value can be accessed in page B. I know cookies can do it. Is there any other way? ...

Explode in jquery with php.

Hi! I've got a jquery script, which creates a h3 tag and print a variable called result.tbUrl to it. I'd like to explode the variable at "::" and use the 2nd piece. This is my method. var link = document.createElement('h3'); link.innerHTML = <?php $link = "result.tbUrl"; $linkpiece = explode("::", $link); echo $pieces[1]; ?>; Could ...

Can a freemarker interpolation contain an interpolation?

Let's say I have Freemarker variable A that contains the name of another variable on the hash tree, say. "B." I'd like to use a to read the value of B so, for example, if B contained "C" I could tell Freemarker to output C using A: ${${A}} should result in the output of "C". Naturally, this doesn't work in Freemarker, but is there a way ...

in java can one have an array of variables?

in java can you have an array of variables? if so what is the syntax? here's an example if your confused: varint[] ArrayOfVariablesThatAreInts = new varint[#] or var[] ArrayofVariables = new var[#] is something like this legal? ...

Anyway that I can get the values of a PHP array through ajax?

Hi All, I am trying to build a shopping cart site. When a user click add to cart image on the product page, The product title will show a "The product is in your cart" text without reloading the page. I am using session and ajax but no luck so far. I appreciate any helps. My html cold <table id="<?php echo $productId; ?>" width="59...

SOAP app variables - NSNumber or NSString for integer?

In a SOAP app, all communication with the server is as text, when the server needs an integer it is the text value that gets sent and returned integers are sent back as text. To have the app working with integers one has to convert the returned strings into numbers e.g. NSInteger but then to, for example, save them to an array they must...

Differences in variable declarations in C++

Class A { }; What is the difference between A a , A* a and A* a = new A(). ...

extern and global in c

Can anyone please tell me is there any special requirement to use either EXTERN or GLOBAL variables in a C program? I do not see any difference in a program like below, if I change from gloabl to extern. #include <stdio.h> #include <stdlib.h> int myGlobalvar = 10; int main(int argc, char *argv[]) { int myFunc(int); int i; i = 12;...

Declaring variables with New DataSet vs DataSet

What is the impact of creating variables using: Dim ds as New DataSet ds = GetActualData() where GetActualData() also creates a New DataSet and returns it? Does the original empty DataSet that was 'New'ed just get left in the Heap? What if this kind of code was in many places? Would that affect the ASP.NET process and cause...