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• Ternary Operators in JavaScript Without an "Else"

  - by Oscar Godson

  I've been using them forever, and I love them. To me they see cleaner and i can scan faster, but ever since I've been using them i've always had to put null in the else conditions that don't have anything. Is there anyway around it? E.g. condition ? x=true : null ; basically, is there a way to do: condition ? x=true; Now it shows up as a syntax error...

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• Can I access elements/methods named "button1" "button2" "button3" etc. using "buttoni" inside a for-

  - by cksubs

  I have a bunch of buttons named: button1 button2 button3 etc. Is there a way to basically do this? pseudocode for(int i = 1, i < 15, i++) { button{i}.selected = YES; } This also goes for method calls, etc. I've often thought such a way of calling methods would be very convenient, but I don't think I've ever seen it done when using compiled languages. But I have done it using PHP. Is there any way to do this in Objective-C? (That's where my problem is now, but I'd also be interested in if you can do this in other languages.) Alternately, is there a reason why this is NOT a good way to go about accessing all the UI elements? Thanks!

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• What is the best way to automated (integration) test with java with OpenId4Java against real OpenIdP

  - by mP

  I would like to do a bit more than manually test my openid glue code which happens to use the openid4java library. My goals would be to be able to run it within my IDE with a bunch of tests using Junit or similar. Selenium & tomcat I was thinking of using selenium and a tomcat but thats not exactly a nice approach as this is a bit heavy and not really lightweight. httpunit A solution with http-unit is incomplete because it doesnt really fit with the redirect to my openid provider, authenticate and redirect back. Perhaps i am wrong but this looks like it could get quite involved just to make sure this works. Mocks My last solution is to mock everything and assume thats its accurate and works. If google or yahoo ever change in some way, then ill have to verify manually. The approach is simple but with a major flaw.

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• How do i build a custom "Your Account" dynamic page with wordpress?

  - by Colour Blend

  Hello everyone. Please can you help with a guideline on this requirement? I have this requirement that some visitors to my site would need to login and be provided access to an Accounts page. This page will contain a list of links added by the site administrator which just lead to pages with specific contents. Every page/link is unique to a user(Account). No two user will ever have to see one page. Please help me. I just need a guide, you don't need to spoon feed me. Thanks in advance.

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• Why is the Dependency Property not returning its value?

  - by B-Rad

  I have a MyUserControl with the following Xaml: <TextBox Text="{Binding InputValueProperty}" /> In the MyUserControl.xaml.cs I have: public string InputValue { get { return (string)GetValue(InputValueProperty); } set { SetValue(InputValueProperty, value); } } public static readonly DependencyProperty InputValueProperty = DependencyProperty.Register("InputValueProperty", typeof(string), typeof(MyUserControl)); In my MainWindow.xaml I create a user control: <local:MyUserControl InputValue="My Input" /> Later on in my MainWindow.xaml.cs I am trying to access this string. All instances of MyUserControl are contained in a List and I access them with a foreach. string temp = userControl.InputValue; This is always null. In my MainWindow.xaml I can see the "My Input" in the text box of the user control but I can't ever seem to get it out of there.

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• Automator / AppleScript to process incoming emails in Mac Mail

  - by mark

  Hello all, I'm designing an app that allows users to email me crash reports if my app ever crashes. I'd like to leave Mac Mail running on a computer and when an email comes through, an automator script / AppleScript runs to process the contents of the body of the email. I've got the entire parsing/processing done in a python script, except I have to manually copy the contents of the email into a file and then run my parser on that file. What's the best way to set this up so I can the contents of the email be pushed into my parsing script? Many thanks!

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• How do I create a hybrid two column lay out like php.net?

  - by Koning WWWWWWWWWWWWWWWWWWWWWWW

  I want to create a layout like this: | | | | | | | | | | | | | | | | -FIXED-|--------FLUID---------| | | | | | | | | | | | | | | Just like http://www.php.net/ I have this: div#sidebar { float: left; width: 200px; padding: 4px; background-color: #EEEEEE; border-right: dashed 1px #AAAAAA; } div#content { padding: 4px; margin-left: 208px; } But the problem is that the sidebar isn't at least the height of the content block (which it should be). Can anyone help me? Thanks Oh, one more thing: I will never, ever use a table for this!

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• Parsing HTML tags to find a specific Table Row

  - by moutonc

  Hello everyone I was set up with a Challenge where I must parse through an HTML page to find the end date of all the classes. I am using the HTMLAgilityPack but, this is the first time I have used it, also the webpage who ever set it up has no classes or Id's and the end dates are stored in a Tr H4 tag. I am not sure how to Parse through any hits? My Code: HtmlAgilityPack.HtmlDocument doc = new HtmlAgilityPack.HtmlDocument(); doc.Load(txtURL.Text); sw.WriteLine("GET /academics/academic-calendar/ HTTP/1.1"); sw.WriteLine(); String response = sr.ReadToEnd(); txtHTML.Text = response;

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• Normal Priority Builds Will Not Build in TFS 2010

  - by 37Stars

  I have two build processes setup in TFS 2010. One build starts when any developer checks code into TFS. The second build runs every night at 12:30am. I can see the builds have a priority of Normal in the queue. However no queued build ever is run until I change the priority to high. They will sit in the queue forever until the priority is changed. It appears there is a normal priority build in the queue that is stuck. However I cannot find it. I can select , , and and not see anything but these builds queued up. I can run them all and the next day I have queued builds again. I say this because I see the Build Service is configured for port 9192, which leads me to believe there is or was another Build Service on port 9191. Any idea how to resolve this issue? Thanks

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• Random select is not always returning a single row.

  - by Lieven

  The intention of following (simplified) code fragment is to return one random row. Unfortunatly, when we run this fragment in the query analyzer, it returns between zero and three results. As our input table consists of exactly 5 rows with unique ID's and as we perform a select on this table where ID equals a random number, we are stumped that there would ever be more than one row returned. Note: among other things, we already tried casting the checksum result to an integer with no avail. DECLARE @Table TABLE ( ID INTEGER IDENTITY (1, 1) , FK1 INTEGER ) INSERT INTO @Table SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4 UNION ALL SELECT 5 SELECT * FROM @Table WHERE ID = ABS(CHECKSUM(NEWID())) % 5 + 1

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• Perl launched from Java takes forever

  - by Wade Williams

  I know this is an absolute shot in the dark, but we're absolutely perplexed. A perl (5.8.6) script run by Java (1.5) is taking more than an hour to complete. The same script, when run manually from the command line takes 12 minutes to complete. This is on a Linux host. Logging is the same in both cases and the script is run with the same parameters in both cases. The script does some complex stuff like Oracle DB access, some scp's, etc, but again, it does the exact same actions in both cases. We're stumped. Has anyone ever run into a similar situation? If not and if you were faced with the same situation, how would you consider debugging it?

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• Experiences teaching or learning map/reduce/etc before recursion?

  - by Jay

  As far as I can see, the usual (and best in my opinion) order for teaching iterting constructs in functional programming with Scheme is to first teach recursion and maybe later get into things like map, reduce and all SRFI-1 procedures. This is probably, I guess, because with recursion the student has everything that's necessary for iterating (and even re-write all of SRFI-1 if he/she wants to do so). Now I was wondering if the opposite approach has ever been tried: use several procedures from SRFI-1 and only when they are not enough (for example, to approximate a function) use recursion. My guess is that the result would not be good, but I'd like to know about any past experiences with this approach.

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• Problem when using \LaTeX \includegraphics with some PDF files

  - by brandstaetter

  I noticed some strange effects when including existing pdf graphics in my laTeX documents: Most file work flawlessly, but some PDFs that were created on a different machine (or from the web) cause the whole page on which they are embedded to become ever-so-slightly distorted. I only notice the difference in a side-by-side comparison, but once you see it, it's obvious. The text layout seems slightly broken, and when you zoom in you can see it better. I will try to make some screenshots to further elaborate, but in the meantime: Has anyone seen this before and how can I get rid of these distortions?

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• overwriting arguments in t-sql functions

  - by chuck taylor

  I was playing around with some code and realized that it is possible to overwrite the argument to a t-sql function. i.e., create function someFn(@date date) as begin if @date is null set @date = getdate() will set @date to be today's date if the argument was null. This appears only to make any sense if t-sql is treating their arguments as references not values. I realized that I don't actually know what the t-sql rules are for cases like this and was hoping someone could elaborate what is going on here. (I don't ever recall seeing any value vs. reference discussion with respect to t-sql code for that matter actually..)

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• Possible Conflict with Class name & Property Name?

  - by coffeeaddict

  If you have a namespace that contains a property in ClassA and a class that has the name of that Property somewhere else in your project and both are in the same namespace this won't cause conflicts will it? So lets say I have a class named Car namespace Dealer { class Vehicle { // the main class that defines vehicle, so this is Dealer.Vehicle (Vehicle.cs) } } and a property over in some other class namespace Dealer { class Dealer { public Vehicle Vehicle { get { return _vehicle; } } } } so for the second it is really this for the property public Dealer.Vehicle Vehicle { get { return _car; } } so now you have Dealer.Vehicle and Dealer.Dealer.Vehicle. Wondering of that would cause a conflict ever. If both those classes are in the same namespace and

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• How can I see included JavaScript sources?

  - by Toddintr

  I am trying to script a web page using GreaseMonkey. (I am using Firebug for help in development.) The page has a small amount of JavaScript code, but that code pulls in other JS files from the site. Are the entire collection of JS files stored somewhere on the client side (i.e. on the filesystem somewhere) so that I can view them? Or better yet, is there a way I can view them in Firebug? I am a little overwhelmed by Firebug but will be able to follow instructions. Many thanks. (My first ever question on SO!) -Todd

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• Slow server response time - CakePHP

  - by Hasan

  I am using CakePHP 1.2 for building a website. The problem i am facing is when ever a page loads it takes a lot of time in "waiting for www.example.com". The server response time is very slow. First i thot it was my database queries, but they were executing in less than seconds time. Next i also contacted the server people. They told it was not the server. Now i am stuck very badly with "waiting for www.example.com". Is the problem is in coding or the cakePHP is mis configured. Need help badly and fast. Thanks

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• When will a TCP network packet be fragmented at the application layer?

  - by zooropa

  When will a TCP packet be fragmented at the application layer? When a TCP packet is sent from an application, will the recipient at the application layer ever receive the packet in two or more packets? If so, what conditions cause the packet to be divided. It seems like a packet won't be fragmented until it reaches the Ethernet (at the network layer) limit of 1500 bytes. But, that fragmentation will be transparent to the recipient at the application layer since the network layer will reassemble the fragments before sending the packet up to the next layer, right?

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• Java memory usage increases when App is used, but doesnt decrease when not being used.

  - by gren

  I have a java application that uses a lot of memory when used, but when the program is not being used, the memory usage doesnt go down. Is there a way to force Java to release this memory? Because this memory is not needed at that time, I can understand to reserve a small amount of memory, but Java just reserves all the memory it ever uses. It also reuses this memory later but there must be a way to force Java to release it when its not needed. System.gc is not working.

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• Refactor C++ code to use a scripting language?

  - by Justin Ardini

  Background: I have been working on a platformer game written in C++ for a few months. The game is currently written entirely in C++, though I am intrigued by the possibility of using Lua for enemy AI and possibly some other logic. However, the project was designed without Lua in mind, and I have already written working C++ code for much of the AI. I am hoping Lua can improve the extensibility of the game, but don't know if it would make sense to convert existing C++ code into Lua. The question: When, if ever, is it appropriate to take fully functional C++ code and refactor it into a scripting language like Lua? The question is intentionally a bit vague, so feel free give answers that are not relevant to the given background.

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• Possible to have empty values with Html For Helpers such as Html.TextBoxFor()?

  - by chobo2

  Hi Is it possible to have to make a html for helper in asp.net mvc 2.0 have a default value of "empty string" Like if I do this Html.TextBoxFor( u => u.ProductName) would render to <input id ="ProductName" name="ProdcutName" type="text" value="Jim" /> Now I don't want the textbox to display jim. I want it to display nothing. <input id ="ProductName" name="ProdcutName" type="text" value="" /> I tried to do this Html.TextBoxFor( u => u.ProductName, new { @value = " "}) but that seems to do nothing. So how can I do this. I hope you can do something like this otherwise I think these new helpers have a great flaw since now I need to use like javascript to remove them since I hardly ever want a default value in the textbox especially when I have a label right beside the textbox saying what it is.

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• two classes contain objects of each other

  - by Julz

  hi, i hope there's a simple answer to this. without getting too complicated i have two classes. an "Animal" and a "Cell" Cell contains an Animal as a member. Animal has methods that accept Cells in their parameters. i'm just confused as to how i #include each class the others header? i've only ever had to go up a chain of classes and just included the last class header in the next and so on, but this circular situation has me a bit lost. i hope that makes sense, any help greatly appreciated.

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• Use Javascript variable in PHP

  - by Rhepungus

  I have seen some answers to this question in previous posts, but no one has given a real working example, just psuedo code. Has anyone ever done this before? Basically, what i have is a variable in javascript (jquery), and i want to use this variable to drive a query (for an overlay window) i am going to run in php. From what i have read you can do this using an ajax call to the same page so it doesnt refresh itself, but i must be missing something because i can't get it working... Any examples out there? Thanks.

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• C# logic order and compiler behavior

  - by Terrapin

  In C#, (and feel free to answer for other languages), what order does the runtime evaluate a logic statement? Example: DataTable myDt = new DataTable(); if (myDt != null && myDt.Rows.Count > 0) { //do some stuff with myDt } Which statement does the runtime evaluate first - myDt != null or: myDt.Rows.Count > 0 ? Is there a time when the compiler would ever evaluate the statement backwards? Perhaps when an "OR" operator is involved?

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• Render an asynchronous report, wider than the screen, without extra scrollbars

  - by Dubs

  I have an asynchronous local SSRS 2005 report that is of variable height and width, but routinely is bigger than the screen. I want to render it full size so that some of the report renders off screen and the only scrollbars the user sees are the ones on the browser window. What is the best way to accomplish this? The only method that I've found that even comes remotely close to what I want is to set static width/height values that are much larger than the report will ever be. But, this is undesirable since it leaves so much extra whitespace in the browser window. Has anyone had success rendering asynchronous reports without the extra scrollbars?

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