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• Submitting a form on 'Enter' with jQuery?

  - by b. e. hollenbeck

  I have a bog-standard login form - an email text field, a password field and a submit button on an AIR project that's using HTML/jQuery. When I hit Enter on the form, the entire form's contents vanish, but the form isn't submitted. Does anyone know if this is a Webkit issue (Adobe AIR uses Webkit for HTML), or if I've bunged things up? I tried: $('.input').keypress(function(e){ if(e.which == 13){ $('form#login').submit(); } }); But that neither stopped the clearing behavior, or submitted the form. There's no action associated with the form - could that be the issue? Can I put a javascript function in the action?

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• Why does GetClusterShape return null when the cluster specification was retrieved through the GetClu

  - by Markus Olsson

  Suppose I have a virtual earth shape layer called shapeLayer1 (my creative energy is apparently at an alltime low). When i call the GetClusteredShapes method I get an array of VEClusterSpecification objects that represent each and every one of my currently visible clusters; no problem there. But when I call the GetClusterShape() method it returns null... null! Why on earth would it do that? I used firebug to confirm that the private variable of the VEClusterSpecification that's supposed to hold a reference to the shape is indeed null so it's not the method that's causing the problem. Some have suggested that this is actually documented behavior Returns null if a VEClusterSpecification object was returned from the VEShapeLayer.GetClusteredShapes Method But looking at the current MSDN documentation for the VEShape class it says: Returns if a VEClusterSpecification object was returned from the VEShapeLayer.GetClusteredShapes Method Is this a bug or a feature? Is there any known workarounds or (if it is a bug) some plan on when they are going to fix it?

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• Visual Studio 2008 - formatting/control characters/marks

  - by AL

  Hi, I don't know what I did but somehow the IDE has started displaying a green dot whenever I press spacebar and a green arrowhead whenever I press TAB. The source has become littered with these characters all over and I am finding it very difficult to code in the presence of so many formatting marks. I have tried to search a solution on Google but couldn't perhaps enter the right keywords so haven't been able to fix the behavior. Is there any way I can stop VS2008 IDE from littering my source code with these green dots and arrowheads whenever I press spacebar/tab? I would be really thankful for this help. Thanks, -AL PS: Re-posting the question as I am new to this forum and probably couldn't see the email notification option earlier. My apologies for this inconvenience.

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• CONTAINSTABLE with wildcard works different in SQL Server 2005 and SQL Server 2008?

  - by musuk

  I have two same databases one on SQL Server 2005 and one on SQL Server 2008, it have same SQL_Latin1_General_CP1_CI_AS Collation, and full text search catalogs have the same settings. These two databases contains table with same data, NTEXT string: "...kræve en forklaring fra miljøminister Connie Hedegaard.." My problem is: CONTAINSTABLE on SQL Server 2008 finds nothing if query is: select * from ContainsTable(SearchIndex_7, Content, '"miljø*"') ct but SQL Server 2005 works perfectly and finds necessary record. SQL Server 2008 finds necessary record if query is: select * from ContainsTable(SearchIndex_7, Content, '"milj*"') ct or select * from ContainsTable(SearchIndex_7, Content, '"miljøminister"') What can be reason for so strange behavior?

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• Ruby Methods: how to return an usage string when insufficient arguments are given

  - by Shyam

  Hi, After I have created a serious bunch of classes (with initialize methods), I am loading these into IRb to test each of them. I do so by creating simple instances and calling their methods to learn their behavior. However sometimes I don't remember exactly what order I was supposed to give the arguments when I call the .new method on the class. It requires me to look back at the code. However, I think it should be easy enough to return a usage message, instead of seeing: ArgumentError: wrong number of arguments (0 for 9) So I prefer to return a string with the human readable arguments, by example using "puts" or just a return of a string. Now I have seen the rescue keyword inside begin-end code, but I wonder how I could catch the ArgumentError when the initialize method is called. Thank you for your answers, feedback and comments!

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• NSIS Uninstaller Working Directory

  - by James Thigpen

  I am using NSIS to create my installers/uninstallers, and the uninstaller seems to have a weird behavior. I don't put the installer in $INSTDIR, it is located at $INSTDIR/subdir/uninstall.exe (it's a addon installer for a host application). When I run the installer then, it thinks the application installation root is $INSTDIR/subdir instead of $INSTDIR. It then can't find all the files in subdir/* as it's already in subdir. If I move the executable, it seems to just accept the current directory as where the application installation root is. I can move it to $INSTDIR and all is well. Thanks.

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• Variable declarations following if statements

  - by Anthony Pegram

  An issue came up on another forum and I knew how to fix it, but it revealed a feature of the compiler peculiar to me. The person was getting the error "Embedded statement cannot be a declaration or labeled statement" because they had a declaration of a variable following an if statement with no brackets. That was not their intent, but they had commented out the line of code immediately following the if statement, which made the variable declaration the de facto line of code to execute. Anyway, that's the background, which brings me to this. The following code is illegal if (true) int i = 7; However, if you wrap that in brackets, it's all legal. if (true) { int i - 7; } Neither piece of code is useful. Yet the second one is OK. What specifically is the explanation for this behavior? I have a hypothesis, but I'd rather ask the brilliant people on stackoverflow.

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• Exceptions and Access Violations in Paint events in Windows

  - by Patrick

  After executing some new code, my C++ application started to behave strange (incorrect or incomplete screen updates, sometimes no screen updates at all). After a while we found out that the new code is causing an Access Violation. Strange enough, the application simply keeps on running (but with the incorrect screen updates). At first we thought the problem was caused by a "try-catch(...)" construction (put there by an overactive ex-colleague), but several hours later (carefully inspecting the call stacks, adding many breakpoints, ...) we found out that if there's an Access Violation in a paint event, Windows catches it, and simply continues running the application. Is this normal behavior? Is it normal that Windows catches exceptions/errors during a paint event? Is there a way to disable this? (if not, it would mean that we have to always run in the debugger with all exceptions enabled while testing our code). Patrick

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• When is a scala partial function not a partial function?

  - by Fred Haslam

  While creating a map of String to partial functions I ran into unexpected behavior. When I create a partial function as a map element it works fine. When I allocate to a val it invokes instead. Trying to invoke the check generates an error. Is this expected? Am I doing something dumb? Comment out the check() to see the invocation. I am using scala 2.7.7 def PartialFunctionProblem() = { def dream()() = { println("~Dream~"); new Exception().printStackTrace() } val map = scala.collection.mutable.HashMap[String,()=>Unit]() map("dream") = dream() // partial function map("dream")() // invokes as expected val check = dream() // unexpected invocation check() // error: check of type Unit does not take parameters }

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• SQL Server, Remote Stored Procedure, and DTC Transactions

  - by marc

  Our organization has a lot of its essential data in a mainframe Adabas database. We have ODBC access to this data and from C# have queried/updated it successfully using ODBC/Natural "stored procedures". What we'd like to be able to do now is to query a mainframe table from within SQL Server 2005 stored procs, dump the results into a table variable, massage it, and join the result with native SQL data as a result set. The execution of the Natural proc from SQL works fine when we're just selecting it; however, when we insert the result into a table variable SQL seems to be starting a distributed transaction that in turn seems to be wreaking havoc with our connections. Given that we're not performing updates, is it possible to turn off this DTC-escalation behavior? Any tips on getting DTC set up properly to talk to DataDirect's (formerly Neon Systems) Shadow ODBC driver?

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• Netlogo behaviorspace, How to export each experiment's plot in a separate directory with a unique name? (Answer is by using pathdir extension)

  - by Marzy

  I have a save-plots function which I call it in my final command of behavior space to export selected plots, I could create unique names for plots so they don't replace each other, for example my output file name for one of the plots is like this: DeathRates, PS true, HCHA false 100,true.csv Let FileNameDeathRates ( word "D: /Results/" "DeathRates, " "PS "PS? ", HCHA " HCHA? MPS "," CV? ".csv" ) So far is good, but I want is to have a directory with name of the experiment and export all plots of that experiment in that directory for example: Let DirName( word "D:/Results/" "PS "PS? ", HCHA " HCHA? MPS "," CV? ) Netlogo already exports plots with proper name and I just want the directory name to be different , and of course prior to the experiment the directory does not exist so the directory should be created first , I could not find a command to create a directory in netlogo without pathdir extension. Any idea on how can I do this? Thanks in advance ;)

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• Performance monitor shows 4294967293 sessions active

  - by TGnat

  I have an ASP.Net 3.5 website running in IIS 6 on Windows Server 2003 R2. It is a relatively small internal application that probably serves less than ten users at any given time. The server has 4 Gig of memory and shows that 3+ Gig is available while the site is active. Just minutes after restarting the web application Performance monitor shows that there is a whopping 4,294,967,293 sessions active! I am fairly certain that this number is incorrect; at the time this reading there were only 100 requests to the website. Has anyone else experienced this kind odd behavior from perf mon? Any ideas on how to get an accurate reading? UPDATE: After running for about an hour the number of active sessions has dropped by 4. So it does seem to be responding to sessions timing out.

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• Mac OS X: How to change word separator characters?

  - by avetis.kazarian

  Depending on your system, the word separator characters change the way you can select/delete a word (e.g. by double clicking on it or using a key combination with your keyboard). The fact is that I hate the default behavior of OSX. For example: Take the following line of code: obj.attr1.innerAttr. If my cursor is at the end of the line and I press alt + backspace, it will delete everything and not just innerAttr. I only found some apps (like iTerm) which let you change the word separator characters. Is there a way to change it for the whole system?

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• Why is the base() constructor not necessary?

  - by Earlz

  Hello, I have a class structure like abstract class Animal { public Animal(){ //init stuff.. } } class Cat : Animal { public Cat(bool is_keyboard) : base() //NOTE here { //other init stuff } } Now then, look at the noted line. If you remove : base() then it will compile without an error. Why is this? Is there a way to disable this behavior? I have had multiple bugs now from forgetting the base() which I would have thought to be required on such a special thing as a constructor.

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• Is the javaScript not part of the DOM?

  - by DKinzer

  Why is it that scripts can still function even after the code used to create them is removed from the DOM? I ran into a situation where I wanted to prevent a broken script from running (@see my post). In my attempt to come up with a solution I wrote an extension with the following line (just to see what would happen). //doc is passed here because this script is running as a firefox extension outside //of the document context. $('script', doc).remove(); I assumed that this would remove all the scripts from the DOM, which it did, and that therefore no scripts would run on the page, which is not the case. I would love to know more about what's behind this behavior.

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• Simulated click on "add more value" button of multi value cck field causes whole content form to sub

  - by ninja

  Hi I have a multi value cck field in my cck content type. I want to simulate click on "add another item" using jquery. which is like $('#edit-field-supp-quan-field-supp-quan-add-more').trigger('click'); but it causes whole content form to submit instead of adding extra multi value cck field. Manuall clicks are working perfectly. Can anyone tell me why behavior of manual clicks and simulated clicks are different. thanks ----Update ---- This is the code I was using:- $('#edit-field-freightamount-0-value').click(function(){ alert('hello'); $('#edit-field-supp-quan-field-supp-quan-add-more').trigger('click'); //$('.form-submit ahah-processed').trigger('click'); }); I actually intended to call this from inside some other function but I just wanted to test it before that . So i wrote this dummy function which is like if i click inside a texrfield it should simulate a click on "add more item" How do we prevent default action of click?

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• Operation is not valid due to the current state of the object

  - by DBa

  Sometimes, when running a Mono .NET application (it seems to not depend on the input data, as it does not change), I run into following situation: when trying to Dequeue an element from a (non-empty, I check its Count beforehand) Queue, an exception is thrown: Unhandled Exception: System.InvalidOperationException: Operation is not valid due to the current state of the object at System.Collections.Generic.Queue1[DBWorkItem].Peek ()[0x00000] at System.Collections.Generic.Queue1[DBWorkItem].Dequeue () [0x00000] at DBProcessor.process (System.Object q) [0x0006b] in <... Though I can certainly catch this exception, the element is dequeued and lost. Has anyone else encountered this behavior, too?

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• How to log messages to a log file in a specific path from a bash script

  - by Erik

  How do you log messages to a log file in a specific path from a bash script? A naive implementation would be commands like: echo My message >>/my/custom/path/to/my_script.log But this probably has many disadvantages (no log rotation for example). I could use the 'logger' command, but it does not support logs in custom paths as far as I know and is not easy to configure if you have lots of bash scripts that could use a custom log file. In a scripting language like Ruby all this is quite easy: https://github.com/rudionrails/yell/wiki/101-the-datefile-adapter I could also make my own logger command based on this ruby library and call it from my bash scripts, but I guess there is already a well known solution that provides similar behavior for shell scripts?

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• iPhone: How to Display Underlined Text in a Button?

  - by Warrior

  I want to display the mail ID in my view such that clicking the mail ID should open the mail composer view. I want to display the button text as underlined to show it is a hyperlink and for the button click event to call the mail composer view. At present, I am not able to show the button text underlined. I thought of placing a label above the button and adjusting the label property to get the underlined text but that did not work. Is there a different way to get the appearance and behavior I want?

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• GKSession sendDataToAllPeers including sender?

  - by Typeoneerror

  I've got a number of devices connected over wifi using GameKit. I have a simple UIAlertView popping up when peers receive data. All but the sendee show this alert view when data is sent, so I'm wondering if that's a bug in my app or if that's expected behavior. If the device doing the sending is also a GKSessionModePeer, I would expect it to "fire" its receiveData: message as well since I'm sending to all peers. Should I call a method manually at the same on the sendee device? For example, if I wanted to send a "GameStart" packet to the 4 phones, the peers would call startGame: in the receiveData:fromPeer:inSession:context: method when it receives that packet and the sendee would be calling sendDataToAllPeers: and call startGame: on itself. Does that sound right or is there a way to include the sendee in the sendDataToAllPeers: list so that it responds exactly the same as all connected peers?

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• In symfony/doctrine's schema.yml, where should I put onDelete: CASCADE for a many-to-many relationsh

  - by nselikoff

  I have a many-to-many relationship defined in my Symfony (using doctrine) project between Orders and Upgrades (an Order can be associated with zero or more Upgrades, and an Upgrade can apply to zero or more Orders). # schema.yml Order: columns: order_id: {...} relations: Upgrades: class: Upgrade local: order_id foreign: upgrade_id refClass: OrderUpgrade Upgrade: columns: upgrade_id: {...} relations: Orders: class: Order local: upgrade_id foreign: order_id refClass: OrderUpgrade OrderUpgrade: columns: order_id: {...} upgrade_id: {...} I want to set up delete cascade behavior so that if I delete an Order or an Upgrade, all of the related OrderUpgrades are deleted. Where do I put onDelete: CASCADE? Usually I would put it at the end of the relations section, but that would seem to imply in this case that deleting Orders would cascade to delete Upgrades. Is Symfony + Doctrine smart enough to know what I'm wanting if I put onDelete: CASCADE in the above relations sections of schema.yml?

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• Selecting Entity Data Model Laguage -- Visual C# source file generated even when i select VB

  - by Nickson

  Am adding an Entity Data Model to an ASP.NET website. When i Add New Item to the website and select ADO.NET Entity Data Model, am asked for the model name and language. I go a head and select Visual Basic as the language, the model is added and the site can compile with out any issues. however, the model it adds a ModelName.Designer.cs source file, instead of a ModelName.Designer.vb source file. am thinking this is strange as its happening with only one of my website. my other sites have .vb designer source file for their Entity Data Models. The site still compiles with out any errors but am afraid some thing is not right. any one experienced this?, is this normal behavior?

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• backspace character wiredness

  - by mykhal

  i wonder why backspace character in common linux terminals does not actually erase the characters, when printed (which normally works when typed).. this works as expected: $ echo -e "abc\b\b\bxyz" xyz (\b evaluates to backspace, can be inserted also as ctrl-v ctrl-h - rendered as ^H (0x08)) but when there are less characters after the backspaces, the strange behavior is revealed: $ echo -e "abc\b\b\bx" xbc is behaves like left arrow keys instead of backspace: $ echo -e "abc\e[D\e[D\e[Dx" xbc erase line back works normally: $ echo -e "abc\e[1Kx" x in fact, when i type ctrl-v <BS> in terminal, ^? (0x7f) is yielded instead of ^H, this is DEL ascii character, but ctrl-v <DEL> produces <ESC>[3~, but it is another story.. so can someone explain why printed backspace character does not erase the characters? (my environment it xterm linux and some other terminal emulators, $TERM == xterm, tried vt100, linux as well)

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• JQuery validation - how to set the title attribute to the error message

  - by JK

  In JQuery validation the default behavior on an error is to create a label like so: <label for="FirstName" generated="true" class="error">This field is required.</label> Is it possible to change it so that it will output this instead (with a title attribute set to the error message)? <label for="FirstName" generated="true" class="error" title="This field is required.">This field is required.</label> I've tried the highlight method, but the label has not been created yet: $("#form").validate({ highlight: function (element, errorClass) { var label = $("label[for=" + element.id + "]"); // but label doesn't exist yet so this doesnt work if (label && label.length > 0) { // label.length is always 0 label.attr('title', label.text()); } } });

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• How can I make Vim autosave files when it loses focus?

  - by Peeja

  I'm used to my editors autosaving files when they lose focus. I recently switched to MacVim, and I can't recreate that behavior. I tried this: autocmd BufLeave,FocusLost * wall but if a buffer is unnamed when the window or MacVim loses focus, I get an error like the following: Error detected while processing BufLeave Auto commands for "*": E141: No file name for buffer 1 I'm confused, because :wall's documentation says: Write all changed buffers. Buffers without a file name or which are readonly are not written. so I'd expect it to skip unnamed buffers. Is there a better way to do this?

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