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• Are Automator variables persistent?

  - by kiamlaluno

  Do Automator variable persist between executions of a workflow? If a variable is set during the execution of a workflow, can I get the last value assigned to a variable, once the workflow is executed again?

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• Sub reports find the sub total and grand total of each sub report in the main report

  - by sonia

  i want to find the grand total from sub report subtotal. i have three subreports. 1. itemreport 2.laborreport 3. machine report. i have find total of that reports using shared variable. like using formula: shared numbervar totalitem=sum({storedprocedrename.columnname}) i have done dis in all the sbreports. now i m want the grand total of all these. i have written the formula in main report is: shared numbervar totalitem; // same variable used in subreport item shared numbervar labtotal; // same variable sed in subreport labor shared numbervar machinetotal; // same variable used in subreport machine numbervar total; total=totalitem+labtotal+machinetotal; total but it is not giving correct result.. it is not giving result in correct format plz tell me code of main report in detail.. thanks

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• problem using ant move task

  - by user315228

  I have a directory structure like this client/lib a.jar b-4.3.jar c-1.2.jar d-4.3.jar e.jar I need to copy some jars without version and some with version. The only information that i have is version number, and that is stored in a variable. Problem is version number that i have in variable is 4.3.1 and version that jars have is just first two digits from the variable value (i.e. 4.3 in my case). I need all the jars that has starting two digits that my variable has and some of the jars without version. For e.g. from above directory structure i need: b-4.3.jar d-4.3.jar e.jar Can somebody please help?

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• Setting up a "to-many" relationship value dependency for a transient Core Data attribute

  - by Greg Combs

  I've got a relatively complicated Core Data relationship structure and I'm trying to figure out how to set up value dependencies (or observations) across various to-many relationships. Let me start out with some basic info. I've got a classroom with students, assignments, and grades (students X assignments). For simplicity's sake, we don't really have to focus much on the assignments yet. StudentObj <--->> ScoreObj <<---> AssignmentObj Each ScoreObj has a to-one relation with the StudentObj and the AssignmentObj. ScoreObj has real attributes for the numerical grade, the turnInDate, and notes. AssignmentObj.scores is the set of Score objects for that assignment (N = all students). AssignmentObj has real attributes for name, dueDate, curveFunction, gradeWeight, and maxPoints. StudentObj.scores is the set of Score objects for that student (N = all assignments). StudentObj also has real attributes like name, studentID, email, etc. StudentObj has a transient (calculated, not stored) attribute called gradeTotal. This last item, gradeTotal, is the real pickle. it calculates the student's overall semester grade using the scores (ScoreObj) from all their assignments, their associated assignment gradeWeights, curves, and maxPoints, and various other things. This gradeTotal value is displayed in a table column, along with all the students and their individual assignment grades. Determining the value of gradeTotal is a relatively expensive operation, particularly with a large class, therefore I want to run it only when necessary. For simplicity's sake, I'm not storing that gradeTotal value in the core data model. I don't mind caching it somewhere, but I'm having a bitch of a time determining where and how to best update that cache. I need to run that calculation for each student whenever any value changes that affects their gradeTotal. If this were a simple to-one relationship, I know I could use something like keyPathsForValuesAffectingGradeTotal ... but it's more like a many-to-one-to-many relationship. Does anyone know of an elegant (and KVC correct) solution? I guess I could tear through all those score and assignment objects and tell them to register their students as observers. But this seems like a blunt force approach.

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• Downloading Images to a specific directory using Automator / Applescript

  - by fighella

  Im trying to use a variable in Automator to save images into a specific folder. Strangely when you create a new folder and you use a variable, it allows you to set the base path... but if you try to "Download URL" it does not allow you to select the base path to add the variable onto and it breaks the transaction. Im sure applescript could do a better job, but I can't seem to figure it out. Example. There is a photo gallery called Cats and Dogs. I am able to grab the Cats and Dogs title and make it my variable... it makes a new folder on my desktop called Cats and Dogs (from the Variable)... I am then able to grab all the images in the gallery as a result from "Get Image URL's from webpage"... This works great... then I try to "Download the URLs" and I want to download them to the new "Cats and Dogs" folder I have created. But I can't seem to make that work, because I can't set the path in the Download the URLs box in automator... This ends up being really useful when I have 100 galleries I need to rip to my desktop... Of course I could move the files in the newly created folder by hand once saved... but then I would have to do this for each gallery... Any suggestions?

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• Strategies for when to use properties and when to use internal variables on internal classes?

  - by Edward Tanguay

  In almost all of my classes, I have a mixture of properties and internal class variables. I have always chosen one or the other by the rule "property if you need it externally, class variable if not". But there are many other issues which make me rethink this often, e.g.: at some point I want to use an internal variable from outside the class, so I have to refactor it into a property which makes me wonder why I don't just make all my internal variables properties in case I have to access them externally anyway, since most classes are internal classes anyway it aren't exposed on an API so it doesn't really matter if the internal variables are accessible from outside the class or not but then since C# doesn't allow you to instantiate e.g. List<string> property in the definition, then these properties have to be initialized in every possible constructor, so these variables I would rather have internal variables just to keep things cleaner in that they are all initialized in one place C# code reads more cleanly if constructor/method parameters are camel case and you assign them to pascal case properties instead of the ambiguity of seeing "templateIdCode" and having to look around to see if it is a local variable, method parameter or internal class variable, e.g. it is easier when you see "TemplateIdCode = templateIdCode" that this is a parameter being assigned to a class property. This would be an argument for always using only properties on internal classes. e.g.: public class TextFile { private string templateIdCode; private string absoluteTemplatePathAndFileName; private string absoluteOutputDirectory; private List<string> listItems = new List<string>(); public string Content { get; set; } public List<string> ReportItems { get; set; } public TextFile(string templateIdCode) { this.templateIdCode = templateIdCode; ReportItems = new List<string>(); Initialize(); } ... When creating internal (non-API) classes, what are your strategies in deciding if you should create an internal class variable or a property?

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• Use Regular expression with fileinput

  - by chrissygormley

  Hello, I am trying to replace a variable stored in another file using regular expression. The code I have tried is: r = re.compile(r"self\.uid\s*=\s*('\w{12})'") for line in fileinput.input(['file.py'], inplace=True): print line.replace(r.match(line), sys.argv[1]), The format of the variable in the file is: self.uid = '027FC8EBC2D1' I am trying to pass in a parameter in this format and use regular expression to verify that the sys.argv[1] is correct format and to find the variable stored in this file and replace it with the new variable. Can anyone help. Thanks for the help.

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• How to return a value when destroying/cleaning-up an object instance

  - by Mridang Agarwalla

  When I initiate a class in Python, I give it some values. I then call method in the class which does something. Here's a snippet: class TestClass(): def __init__(self): self.counter = 0 def doSomething(self): self.counter = self.counter + 1 print 'Hiya' if __name__ == "__main__": obj = TestClass() obj.doSomething() obj.doSomething() obj.doSomething() print obj.counter As you can see, everytime I call the doSomething method, it prints some text and increments an internal variable i.e. counter. When I initiate the class, i set the counter variable to 0. When I destroy the object, I'd like to return the internal counter variable. What would be a good way of doing this? I wanted to know if there were other ways apart from doing stuff like: accessing the variable directly. Like obj.counter. creating a method like getCounter. Thanks.

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• Global variables in Python

  - by rejinacm

  A global variable created in one function cannot be used in another function directly. Instead I need to store the global variable in a local variable of the function which needs its access. Am I correct? Why is it so?

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• Access static variables in an abstract class in PHP

  - by Anant

  Is there any other way to access a static variable from a static method, other than using classname::$variable?

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• Basic PHP question for Drupal Views theming

  - by oalo

  My PHP and programming knowledge is extremely basic, so this is probably a dumb question: I am theming a View in Drupal 6, and I want to add an id with a consecutive number to each item in the view (first item would have the id #item1, the second #item2, etc). I am customizing the style output (views-view-unformatted--MYVIEWNAME.tpl.php) and the row style output (views-view-fields--MYVIEWNAME.tpl.php), and I want to add a counter variable in the foreach loop in the style output tpl, and then use that variable in the row style output tpl, but the last one is not recognizing the variable. It does not give me any errors, but doesnt print the number. I understand this has probably something to do with variables visibility, how can I declare the counter variable in the style .tpl so I can the use it in the row style .tpl? Thank you

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• JSP template inheritance

  - by Ryan

  Coming from a background in Django, I often use "template inheritance", where multiple templates inherit from a common base. Is there an easy way to do this in JSP? If not, is there an alternative to JSP that does this (besides Django on Jython that is :) base template <html> <body> {% block content %} {% endblock %} </body> <html> basic content {% extends "base template" %} {% block content %} <h1>{{ content.title }} <-- Fills in a variable</h1> {{ content.body }} <-- Fills in another variable {% endblock %} Will render as follows (assuming that conten.title is "Insert Title Here", and content.body is "Insert Body Here") <html> <body> <h1>Insert title Here <-- Fills in a variable</h1> Insert Body Here <-- Fills in another variable </body> <html>

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• Lisp: Determine if a list contains a predicate

  - by justkt

  As part of a homework assignment in Lisp, I am to use apply or funcall on any predicates I find. My question (uncovered in the coursework) is: how do I know when I've found a predicate in my list of arguments? I've done some basic google searching and come up with nothing so far. We're allowed to use Lisp references for the assignment - even a pointer to a good online resource (and perhaps a specific page within one) would be great!

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• Define integer ranges in C

  - by maddy

  Hi, I want to define a type named Int_1_100_Type which is an integer variable in the range from 1 to 100. How should i typedef this one? for eg: i am passing this variable to a function which accepts variable of type Int_1_100_Type. i.e funca(Int_1_100_Type Var1) Thanks Maddy

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• Standard (cross-platform) way for bit manipulation

  - by Kiril Kirov

  As are are different binary representation of the numbers (for example, take big/little endian), is this cross-platform: some_unsigned_type variable = some_number; // set n-th bit, starting from 1, // right-to-left (least significant-to most significant) variable |= ( 1 << ( n - 1 ) ); // clear the same bit: variable &= ~( 1 << ( n - 1 ) ); In other words, does the compiler always take care of the different binary representation of the unsigned numbers, or it's platform-specific? And what if variable is signed integral type (for example, int) and its value is zero positive negative? What does the Standard say about this? P.S. And, yes, I'm interesting in both - C and C++, please don't tell me they are different languages, because I know this :) I can paste real example, if needed, but the post will become too long

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• UITableView loading before variables being set

  - by Sheehan Alam

  I have a label on a UITableView. When clicked it will refresh my tableview and set the top cell's height. When I am setting the cell height, I am checking if a certain variable is TRUE. If true it will show the large height, if false, the smaller height. At the time of cell height creation, my variable is always false. It is a member variable and its value is being set when the user clicks on the label. How can I make sure that the variable is set before the table refreshes?

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• Sending Variables in Post without the input tag

  - by abhishekgupta92

  I want to send only one variable via the post method. I have queried the database and have to post $row[id] variable to the page along with the form. To send the user's input we simply write like <input type="text" name="xyz"></input> and then we access it as $_POST[xyz]. This way we can send a variable that a user write. But, I want to send something that user has not written but there in my sending file as $row['id']. So, I want to send this variable as well. How can I do that? And also how will I be able to access that?

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• Using a singleton database class in functions and multiple scripts(PHP) - best use methods

  - by dscher

  I have a singleton db connection which I get with: $dbConnect = myDatabase::getInstance(); which is easy enough. My question is what is the least rhetorical and legitimate way of using this connection in functions and classes? It seems silly to have to declare the variable global, pass it into every single function, and/or recreate this variable within every function. Is there another answer for this? Obviously I'm a noob and I can work my way around this problem 10 different ways, none of which is really attractive to me. It would be a lot easier if I could have that $dbConnect variable accessible in any function without needing to declare it global or pass it in. I do know I can add the variable to the $_SERVER array...is there something wrong with doing this? It seems somewhat inappropriate to me. Another quick question: Is it bad practice to do this: $result = myDatabase::getInstance()-query($query); from directly within a function?

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• multiple forms in vb.net

  - by Dharma Teja

  can we have a single global variable which can be manipulated by multiple forms

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• Access varialbe from code behind via jQery

  - by Morron

  Hi, I have the following code that I want to return to a variable "t" in jQery: Code behind: Public Shared Function GetSomeText() As String Dim result = "This is from code behind" Return result End Function Caller variable in jQuery: //This is not working like that, I think var t = GetSomeText(); So, how can I make variable "t" get the "result" from Function GetSomeText from code-behind? Thank you.

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• Can a programme assign the memory directly?

  - by Tattat

  Is there any really low level programming language that can get access the memory variable directly? For example, if I have a programme have a variable i. Can anyone access the memory to change my programme variable i to another value?

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• Output problem in mysql query in MFC program

  - by D.Gaughan

  Im currently working on a small MFC program that outputs data from a mysql database. I can get output when im using an sql statement that does not contain any variable eg. select album from Artists; but when i try to use a variable the program compiles but i get no output eg. mysql_perform_query(conn,select album from Artists where artists = '"+m_search_edit"'") Here is the function for mysql_perform_query: MYSQL_RES* mysql_perform_query(MYSQL *conn, const char* query) { // send the query to the database if (mysql_query(conn, query)) { // printf("MySQL query error : %s\n", mysql_error(conn)); // exit(1); } return mysql_use_result(conn); } And here is the code block for outputting the data: struct connection_details mysqlD; mysqlD.server = "www.freesqldatabase.com"; // where the mysql database is mysqlD.user = "**********"; // the root user of mysql mysqlD.password = "***********"; // the password of the root user in mysql mysqlD.database = "***************"; // the databse to pick // connect to the mysql database conn = mysql_connection_setup(mysqlD); CStringA query; query.Format("select album from Artists where artist = '%s'", CT2CA(m_search_edit)); res = mysql_perform_query(conn, query); //res = mysql_perform_query (conn, "select distinct artist from Artists"); while((row = mysql_fetch_row(res)) != NULL){ CString str; UpdateData(); str = ("%s\n", row[0]); UpdateData(FALSE); m_list_control.AddString(str); } The m_search_edit variable is the variable for an edit box. I am using Visual Studio 2008 with one copy of this program unicode and one nonunicode, I also have a version built with VC++ 6. Any tips on how I can get output from the databse using the m_search_edit variable??

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• Difference of function argument as (const int &) and (int & a) in C++

  - by Narek

  I know that if you write void function_name(int& a), then function will not do local copy of your variable passed as argument. Also have met in literature that you should write void function_name(const int & a) in order to say compiler, that I dont want the variable passed as argument to be copied. So my question: what is the difference with this two cases (except that "const" enshures that the variable passes will not be changed by function!!!)???

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• delete XML node, keep original

  - by marzsman

  I need to delete some nodes from an XML variable and I want to keep the original intact. So I pass the XML to a new variable and delete the nodes from that one but the original changes with it. Is there a way to protect the XML from the original variable?

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• Fix for Visual Studio 2005 not showing filename or line on errors in web pages when compiling?

  - by spoulson

  A project I'm on requires Visual Studio 2005. One annoyance is that when a website project in the solution, any compile errors from .aspx or .ascx files show up like: (0,0): warning CS0168: The variable 'ex' is declared but never used (0,0): warning CS0162: Unreachable code detected (0,0): warning CS0168: The variable 'ex' is declared but never used (0,0): warning CS0168: The variable 'ex' is declared but never used How can I track these down? Is there an option I'm missing that gives me filename and line numbers?

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