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  • Mako templates inline if statement

    - by ensnare
    I have a template variable, c.is_friend, that I would like to use to determine whether or not a class is applied. For example: if c.is_friend is True <a href="#" class="friend">link</a> if c.is_friend is False <a href="#">link</a> Is there some way to do this inline, like: <a href="#" ${if c.is_friend is True}class="friend"{/if}>link</a> Or something like that?

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  • Access modifiers in Object-Oriented Programming

    - by Imran
    I don't understand Access Modifiers in OOP. Why do we make for example in Java instance variables private and then use public getter and setter methods to access them? I mean what's the reasoning/logic behind this? You still get to the instance variable but why use setter and getter methods when you can just make your variables public? please excuse my ignorance as I am simply trying to understand why? Thank you in advance. ;-)

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  • php: shortcut to writing this?

    - by YuriKolovsky
    what would be the shortest way to write this? if(strpos($haystack, $needle)!==false){ $len = strpos($haystack, $needle)+strlen($needle); }else{ $len = 0; } I remember that I saw some shortcut somewhere for this that checked and set a variable at the same time.

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  • complex if statement in python

    - by Neverland
    I need to realize a complex if-elif-else statement in Python but I don't get it working. The elif line I need has to check a variable for this conditions: 80, 443 or 1024-65535 inclusive I tried if ... # several checks ... elif (var1 > 65535) or ((var1 < 1024) and (var1 != 80) and (var1 != 443)): # fail else ...

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  • Dealing with PHP server and MySQL server in different time zones

    - by Kyle Noland
    For those of us who use standard shared hosting packages, such as GoDaddy or Network Solutions, how do you handle datetime conversions when your hosting server (PHP) and MySQL server are in different time zones? Also, does anybody have some best practice advice for determining what time zone a visitor to your site is in and manipulating a datetime variable appropriately?

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  • execute a command

    - by lakshmipathi
    I have script file where a command is stored in a variable First i got the command (assume "ls -l " command) cmd= cat /proc/2345/cmdline now doing echo $cmd outputs ls -l Now how to use $cmd to actually execute that command. which is ls -l

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  • Try-Catch or Check Length? C# XNA

    - by Shaded
    I was just wondering which would be cheaper, using a try catch block for index out of bounds or checking the length of a multi dimensional array and comparing values? I have a feeling it's the length, since I can store the length in a variable and then just do if's which are relatively cheap. I'm just not sure how expensive try-catch is. Thanks!

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  • Remove querystring from URL

    - by Malcolm Frexner
    What is an easy way to remove the querystring from a Path in Javascript? I have seen a plugin for Jquery that uses window.location.search. I can not do that: The URL in my case is a variable that is set from AJAX. var testURL = '/Products/List?SortDirection=dsc&Sort=price&Page=3&Page2=3&SortOrder=dsc'

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  • Launch Safari from iPhone App

    - by tarnfeld
    I know that i can use the following code to launch my own url, but i want the user to continue their workflow after using my bookmarklet so therefore don't want to open a new tab and have them re-load the url i put into the url variable? NSURL url* = [NSURL URLWithString:@"http://google.com"]; [[UIApplication sharedApplication] openUrl:""]; Can this be done?

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  • When implementing a microsoft.build.utilities.task how to i get access to the various environmental

    - by Simon
    When implementing a microsoft.build.utilities.task how to i get access to the various environmental variables of the build? For example "TargetPath" I know i can pass it in as part of the task XML <MyTask TargetPath="$(TargetPath)" /> But i don't want to force the consumer of the task to have to do that if I can access the variable in code. http://msdn.microsoft.com/en-us/library/microsoft.build.utilities.task.aspx

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  • XPath find element based on ancestor element

    - by martymcfly
    Hi, again I have Java AST which is created from public class Test { String o = new String("hh"); public void wrong1() { synchronized(o) { // huhu } } } I try to create a XPath query which finds the synchronized block in which the defined String variable o is used. As the definition is above it is an ancestor of the SynchronizedStatement, but I dont get it working //SynchronizedStatement[Expression/PrimaryExpression/PrimaryPrefix/Name[@Image=ancestor::ClassOrInterfaceBody[ClassOrInterfaceBodyDeclaration/FieldVariableDeclaratorId/@Image]]] I know that /SynchronizedStatement[Expression/PrimaryExpression/PrimaryPrefix/Name[@Image= is correct, my problem is how to address the ancestor ClassOrInterfaceBody part. Hope its clear what i mean ;-) Thanks

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  • log4j properties file: how to configure ?

    - by EugeneP
    Is it right that the procedure of using log4j looks like this: 1) put a .properties file somewhere in a project folder 2) in an initialization method, that runs only once, invoke PropertyConfigurator.configure("path_to_file"); 3) in every method we need to use logger we define a static logger variable and simply invoke getLogger(class) I'm asking you this: what if the initialization module is not defined? Where to put "log4j.properties" file so that we wouldn't need to invoke propertyconfigurator.configure at all, or if it's not possible, is it ok to invoke PropertyConfigurator.configure("path_to_file") in every method that uses a logger?

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  • Change a UIButton View's background upon press

    - by Michael
    This should be easy but its got me stumped. I've got a button on each row of a table cell. The button is to delete the file associated with that row. I have an image that indicates if the file is present on the iPhone or not present. When the user presses the button, the target action method (showDeleteSheet) then calls a UIActionSheet with a variable to give it the indexPath of the row pressed. Then the user presses delete on the action sheet and the action sheet's clickedButtonAtIndex method deletes the file. Now, I need to update the button's background image property to change the image in the appropriate table cell to the not downloaded image. This can be done in either the button's target action method or the action sheet's clickedButtonAtIndex method. Here is some code: In the table's cellForRowAtIndexPath method I create the button: UIButton *deleteButton = [[UIButton buttonWithType:UIButtonTypeCustom] retain]; [deleteButton addTarget:self action:@selector(showDeleteSheet:) forControlEvents:UIControlEventTouchDown]; deleteButton.frame = CGRectMake(246, 26, 30, 30); if (![AppData isDownloaded:[dets objectForKey:@"fileName"]]) { [deleteButton setBackgroundImage:notdownloadedImage forState:UIControlStateNormal]; } else { [deleteButton setBackgroundImage:notdownloadedImage forState:UIControlStateNormal]; } In the button's target method: -(void)showDeleteSheet:(id)sender { //get the cell row that the button is in NSIndexPath *indexPath = [table indexPathForCell:(UITableViewCell *)[[sender superview] superview]]; NSInteger currentSection = indexPath.section; NSInteger currentIndexRow = indexPath.row; NSLog(@"section = %i row = %i", currentSection, currentIndexRow); UIButton *deleteButton = [UIButton buttonWithType:UIButtonTypeCustom]; [table reloadData]; //if deleteButton is declared in .h then the other instances of deleteButton show 'local declaration hides instance variable' [deleteButton setBackgroundImage:[UIImage imageNamed:@"not-downloaded.png"] forState:UIControlStateNormal]; UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:@"Delete this file?" delegate:self cancelButtonTitle:@"Cancel" destructiveButtonTitle:@"Delete" otherButtonTitles:nil]; actionSheet.tag = currentIndexRow; actionSheet.actionSheetStyle = UIActionSheetStyleDefault; [actionSheet showInView:self.view]; [actionSheet release]; } Perhaps the issue is that the call to [deleteButton setBackgroundImage...]; doesn't know which cell's button should be updated. If so I don't know how to tell it which. Because I test if the file is downloaded when the button is made and the background image is set, when I scroll down so the cell in question is de-queued then scroll back up it show's the correct image. I've tried to force the table to reload but [table reloadData]; is doing nothing. I've tried reloadRowsAtIndexPaths and still no good. Any one care to educate me on how this is done?

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  • Python: Cannot concatenate str and NoneType objects

    - by Chase Higgins
    sql = """ INSERT INTO [SCHOOLINFO] VALUES( '""" + self.accountNo + """', '""" + self.altName + """', '""" + self.address1 + """', '""" + self.address2 + """', '""" + self.city + """', '""" + self.state + """', '""" + self.zipCode + """', '""" + self.phone1 + """', '""" + self.phone2 + """', '""" + self.fax + """', '""" + self.contactName + """', '""" + self.contactEmail + """', '""" + self.prize_id + """', '""" + self.shipping + """', '""" + self.chairTempPass + """', '""" + self.studentCount + """' ) """; I have the following code and Python keeps throwing the error that it cannon concatenate strings and nonetype objects. The thing is I have verified every variable here is in fact a string and is not null. I have been stuck on this for quite some time today, and any help would be greatly appreciated.

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  • Declaring an array of linked list in C#

    - by xarzu
    I got the compile error message "Array size cannot be specified in a variable declaration (try initializing with a 'new' expression)" when I tried to declare an array of linked lists. public LinkedList[2] ExistingXMLList; Also, if I wanted to create a small array of strings, isn't this the way: string [2] inputdata;

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  • how do i login to gmail via internet explorer using iwebbrowser 2

    - by omair iqbal
    is it possible to login to sites like facebook,gmail using iwebbrowser2? in the code below what can i add so that it can login to gmail(with ie8 as browser) using the username and password i put in a variable? MyBrowser := CreateOleObject('InternetExplorer.Application') as IWebBrowser2; MyBrowser.Navigate('http://mysite.com'..........???); note : i am a newbie. sorry for my english:) and thanks in advance

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  • Binding Eval with an ImageURL in ASP.NET

    - by ramyatk06
    I'm trying to bind an image using Eval() with VB.NET and ASP.NET, but am running into issues: Code snippet <bri:ThumbViewer Id="Th1" runat="server" ImageUrl='<%# Eval("Name", "~/SiteImages/ram/3/{0}") %>' Height="100px" Width="100px" /> I set strImagePath in the code-behind as: strImagePath ="~/SiteImages/ram/3/" How can I replace: ~/SiteImages/ram/3/{0} with the variable strImagePath?

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  • Make HTML content area fit to viewport height?

    - by viatropos
    I just made this demo extracting out what I'm trying to accomplish: Autosize Main Content Area I want the pink/yellow area to act according to these rules: Minimum height is the size of its content (which is variable) IF content size is smaller than viewport size Otherwise minimum height is such that it adjusts to fill the window. Checking out the source to that demo, what am I missing? I feel like this is a pretty easy case that shouldn't require javascript. Any ideas?

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