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  • This should be real easy. How to find a button through its Value (Jquery Selector)

    - by Raja
    I have this HTML: <div id='grid'> <input type="button" value="edit"/> <input type='button' value='update'/> </div> How to I attach a click event only to Update button. I know I could add a class to it or specity an id but both are not possible since it is in gridview. I tried this: $("input:button[@value='update']").click(function(){alert('test');}); but it displays an alert for both buttons. I know I must be doing something silly. Any help is much appreciated. Thanks Kobi for helping me out. Given below is the right answer. $("input[value='update']").click(function(){alert('test');});

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  • Are there any real life uses for the Java byte primitive type?

    - by Thorbjørn Ravn Andersen
    For some inexplicable reason the byte primitive type is signed in Java. This mean that valid values are -128..127 instead of the usual 0..255 range representing 8 significant bits in a byte (without a sign bit). This mean that all byte manipulation code usually does integer calculations and end up masking out the last 8 bits. I was wondering if there is any real life scenario where the Java byte primitive type fits perfectly or if it is simply a completely useless design decision? EDIT: The sole actual use case was a single-byte placeholder for native code. In other words, not to be manipulated as a byte inside Java code.

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  • naming a method - using set() when *not* setting a property?

    - by user151841
    Is setX() method name appropriate for only for setting class property X? For instance, I have a class where the output is a string of an html table. Before you can you can call getTable, you have to call setTable(), which just looks at a other properties and decides how to construct the table. It doesn't actually directly set any class property -- only causes the property to be set. When it's called, the class will construct strHtmlTable, but you can't specify it. So, calling it setTable breaks the convention of get and set being interfaces for class properties. Is there another naming convention for this kind of method? Edit: in this particular class, there are at least two ( and in total 8 optional ) other methods that must be called before the class knows everything it needs to to construct the table. I chose to have the data set as separate methods rather than clutter up the __construct() with 8 optional parameters which I'll never remember the order of.

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  • LINQ to SQL - Get only substring from a field

    - by domanokz
    I'm studying ASP.NET MVC and I use LINQ to SQL for model. I have a table named "Note" with the fields "Title" and "Content". The "Content" field can contain thousand characters. What I want to do is to display the LIST of notes in a page. I use table with two columns, for "Title" and SUBSTRING of the "Content" (50 characters). My problem is, I don't know how to edit the model so that it will display only the substring of the "Content". Thanks in advance!

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  • Vi/Vim: How to pipe visually selected text to a UNIX command and append output to current file

    - by drsnyder
    Using Vim, I'm trying to pipe visually selected text to a UNIX command and have the output appended to the end of the current file. For example, say we have a SQL command such as: SELECT * FROM mytable; I want to do something like the following: V # select text :'<,'!mysql -uuser -ppass mydb But instead of having the output overwrite the currently selected text, I would like to have the output appended to the end of the file. You probably see where this is going. I'm working on using VIM as a simple SQL editor. That way, I don't have to leave VIM to edit, tweak, test SQL code. Thanks!

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  • Adding custom fields to users in django

    - by Gaurav
    I am the create_user() function that Django provides to create my users. Also I want to store additional information about the users. So I tried following the instructions given at http://docs.djangoproject.com/en/dev/topics/auth/#storing-additional-information-about-users but I cannot get it to work for me. Is there a step-by-step guide that I can follow to get this to work for me? Also, once I have added these custom fields, I would obviously need to add / edit / delete data from them. I cannot seem to find any instructions on how to do this.

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  • Getting Null value with JSON from MySQL, how to retrive data from MySQL to JSON correctly?

    - by sky
    I'm using following code but cannot return data from MySQL. This is the output: <script type="text/javascript"> var somethings= [null,null,null]; </script> It does have three post, but I couldn't get the title(message) output. EDIT: this is the code I'm using: <?php $session = mysql_connect('localhost','name','pass'); mysql_select_db('dbname', $session); $result= mysql_query('SELECT * FROM posts', $session); $somethings= array(); while ($row= mysql_fetch_assoc($result)) { $somethings[]= $row['something']; } ?> <script type="text/javascript"> var somethings= <?php echo json_encode($somethings); ?>; </script> This is the table: message Try iPhone post! Welcome to Yo~ :) ??!

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  • Determining the level of Android permission

    - by k4b
    I have some Android permissions which I would like to know to which permision PROTECTION LEVEL they belong. Does anybody know how can this be checked? For example I need to know the PROTECTION LEVEL of android.permission.RECEIVE_BOOT_COMPLETED permission, but I would like to check many more. EDIT: I see that I didn't put it clearly: What I mean is not an API level with which permission was introduced, but permission protection level, one of four: Normal, Dangerous, Signeture, SignatureOrSystem. It determines for example how this permision is presented to user during the application installation. How can I check to which protection level certain permission belongs?

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  • Communicating between an overlayed iFrame and the underlying page (LAMP)

    - by stef
    I have a small form is to be filled in. If the user is logged in, the form is submitted as normal. If the user is not logged in, I show an overlayer with an iframe'd page that contains a login box where he enters his credentials. If the credentials are correct I can "break out" of the frame to "return" to the main page, but how can I update this main page for example to show "you are now logged in" and to change the JS / PHP login that determines whether or not the form can be submitted normally and not be intercepted again by the overlayer prompt? Afaik, these two separate pages are not aware of each other so I'm struggling to find a solution to this problem. This is in a LAMP / jQuery / CodeIgniter environment. EDIT: Could CodeIgniter's XML RPC class be useful for this?

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  • [C] How I change a variable of a type to another one?

    - by drigoSkalWalker
    I want to do it: int main () { bla bla bla void *onetype; switch (USER_INPUT_TYPE) { CASE CONVERT_TO_CHAR: convert onetype VOID TO CHAR HOW??? CASE CONVERT_TO_INT: convert onetype VOID TO INT HOW??? LOT OF CASES... } } Yes, I know type casting, but type casting is a 'temporary' change... So...Is there any way to accomplish it in C? EDIT : Stop stop stop! Please, see, what are you doing is type casting, I KNOW THIS, you are creating another variable of the desirable type like int i = (int) onetype, I don't want this, I want something else like onetype = (int) onetype, without recreate them, without allocate another variable. Thanks a lot guys!

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  • this == null; surely not, but yes

    - by pm100
    I would have said that this will segfault but apparently not #include <stdio.h> class foo { public: bool thingy() {return this == 0;}; }; int main() { foo *f = 0; if(f->thingy()) printf("eating hat\n"); } I just expect that 0-xxx will never work. I assume that if we had to do some vtabling it would fail; obviously cannot access any member variables either edit; sorry - no question there. THe question is "are you surprised like me?" and it seems the answer is yes. even though nobody said yes. I got a) of course this will work b) of course this will never work c) it is undefined behavior; your mileage will vary

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  • Adding a conversion page trough Google Websiteoptimizer API

    - by hoppa
    Hey guys, I'm developing a module which allows users of my cms to create A/B tests from my cms instead of Google's interface. I manage to create tests and add the original page and the alternative page(s) just fine using the API documented here: http://code.google.com/apis/analytics/docs/gwo/ My issue is that i can't find documentation on how to add the conversion page. I tried Google forums but to no avail. Is there anyone here who can help me further? Thanks in advance! [edit] I don't know how badly I'm going against convention at this moment nut is there absolutely no one here who can give me a pointer in the right direction?

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  • GitHub: searching through older versions of files

    - by normski
    I know that using GitHub I can search through all the current versions of my files in a repo. However, I would also like to search through the older versions of my repo files. For example, say, I used to have a function called get_info() in my code, but deleted it several versions ago, is it possible to search for get_info and find the code. If it is not possible using GitHub, is it possible from the git command line? EDIT Thanks to @Mark Longair for showing how this can be done from the git command line. If it's not possible in GitHub it would be a great feature to have.

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  • I need a very simple PHP database front-end admin panel; a simple records editor for a specified tab

    - by Lansen Q
    Hi there, I am looking to add some dynamics to our corporate website. This is a secondary role so I'd rather not be spending a ton of time on it. At this point, all I need is a simple PHP script where a non-technical user can pull up and manage the records in a MySQL table. There's only one table of data to be managed; it's just that it will be accessed and updated quite frequently. I recall that Grails' default scaffolding feature has precisely this: list of entries with the ability to add, edit and delete, with no nonsense. What would be the best tool to use for this? I would rather not be writing it from scratch, as this will take me quite some time. It seems like the kind of thing that ought to exist somewhere. Thanks!

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  • Image equivalent of ActionLink in ASP.NET MVC

    - by Jason Whitehorn
    In ASP.NET MVC is there an equivalent of the Html.ActionLink helper for Img tags? I have a controller action that outputs a dynamically generated JPEG and I wanted to use the same Lambda expressions to link to it as I do HREFs using ActionLink. Alternatively, a helper that just gives the URL to a route (again specified using Lambdas) would also be acceptable. EDIT: I had originally specified that I was using Preview 5, however I see that a Beta has been released. So all-in-all the version number was an unneeded piece of info as I may be upgrading soon :-)

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  • lib to read a DVD FS (data disc)

    - by acidzombie24
    I am thinking i might want to port a lib to read a DVD filesystem. I am not talking about movies but datadisc. Theres existing code for me to do raw reads from the disc. I need code that request this data and allow me to browse files on the disc. What lib can i use for this? -edit- NOTE: I am using an OSless hardware. Ppl seem to miss that but Alnitak caught it and gave me a great answer :)

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  • Flex list-controls - maintain remote data

    - by artemb
    Hello. I have a TileList which represents some remote data. I also have a form which allows me to change the data. And the data may be changed by someone else too. What is the best way to maintain data in the list in an up-to-date state? The simplest option I see is the following: Select an item in the list Edit it in the form Save it. The form submits the data to the server When the server reports success the list re-fetches it's data The very bad thing about this workflow is that the list loses selection (a tree would also loose the nodes' expanded/collapsed state). I would really love to find out another option which would enable the list to maintain it's selection state. Any guesses on how it may be done?

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  • Ruby does not run code correctly

    - by seefour
    I run this basic code in Ruby (on Windows): def hello () puts 'test' end hello and the Interpreter throws me this error: app.ru:1: syntax error, unexpected tIDENTIFIER, expecting $end hello puts 'test' It seems like Ruby is skipping lines? I've tried various encoding formats, other code and it still gives me an error similar to this. Why is it happening? EDIT The suggestions were to either use different editors or semi-colons to see if the lines were an issue. The version is also new - 1.9.3p327, so that shouldn't have been a problem. Parentheses aren't a problem either.

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  • Silverlight and Active Directory Interaction

    - by Refracted Paladin
    I am planning to familiarize(read teach) myself with Silverlight by building an in-house app for managing our employees. I, obviously, would need this to interact with Active Directory on some level. What are my options? Has anyone tried this before? I am currently going to explore using Services(WCF???) to do the AD interaction portion? Thoughts? There is also this SO Post on using PowerShell to interact with AD. Maybe that is a possibility? Thanks, EDIT: Too clarify what I meant by "...interact with Active Directory..." I was referring to being able to create New Users, reset they're passwords, change they're Member Of groups, etc. Not JUST authenticating through AD. Does this make it clearer?

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  • OS X Terminal: Meta key + alt functionality at the same time

    - by abababa22
    Is there a way to use "alt/option" key as a meta key but still be able to use the key to make some characters which need it? For example in my local keyboard layout: @ is alt-2 \ is alt-shift-7 | is alt-7 etc. So if I set alt as meta key, I can't make those characters. On the other hand using "press esc, release esc, press a key" to make meta key sequences makes my hands hurt. Any emacs users with international keyboards who have solved this, please give any tips you might have! :) edit: It appears that I can set alt as meta key and then add these kind of settings in inputrc: "\e2": "@" This works in bash shell but it still won't work with emacs though, so no good.

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  • jQuery can't get if statement to work

    - by jstacks
    I'm looking help with an If Statement. I'm trying to finalize this horizontal scrolling I have and the last bit is to not just disable scrolling when the end is reached, but to also disable (well, change color) the scroll buttons at that point as well. And change back when they are scrollable again. http://jsfiddle.net/stfzy/83/ EDIT* I've updated the JQuery and have everything working except just one if statement: $('div#arrowL').click(function(){ if(index < 0 ){ //can't scroll $('div#arrowL').addClass('active'); } }); I need to add this class back when you can't scroll left anymore. And I think the issue is with the "index < 0" portion but I don't see what I need to change it to to get it to work. Any help is appreciated.

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  • Coalesce and Case-When with To_Date not working as expected (Postgres bug?)

    - by ADTC
    I'm using Postgres 9.1. The following query does not work as expected. Coalesce should return the first non-null value. However, this query returns null (1?) instead of the date (2). select COALESCE( TO_DATE('','yyyymmdd'), --(1) TO_DATE('20130201','yyyymmdd') --(2) ); --(1) this evaluates independently to null --(2) this evaluates independently to the date, and therefore is the first non-null value What am I doing wrong? Any workaround? Edit: This may have nothing to do with Coalesce at all. I tried some experiments with Case When constructs; it turns out, Postgres has this big ugly bug where it treats TO_DATE('','yyyymmdd') as not null, even though selecting it returns null.

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  • Comma separated values in a database field

    - by John Doe
    I have a products table. Each row in that table corresponds to a single product and it's identified by a unique Id. Now each product can have multiple "codes" associated with that product. For example: Id | Code ---------------------- 0001 | IN,ON,ME,OH 0002 | ON,VI,AC,ZO 0003 | QA,PS,OO,ME What I'm trying to do is create a stored procedure so that I can pass in a codes like "ON,ME" and have it return every product that contains the "ON" or "ME" code. Since the codes are comma separated, I don't know how I can split those and search them. Is this possible using only TSQL? Edit: It's a mission critical table. I don't have the authority to change it.

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  • is there a flag "M_FAST" in FreeBSD kernel for Malloc Call ?

    - by KaluSingh Gabbar
    if you know there is one, can you let me know what its for ? if not please say so : ) thanks. Signature : void * malloc(unsigned long size, struct malloc_type type, int flags); for example. other flags are... M_ZERO Causes the allocated memory to be set to all zeros. M_WAITOK Indicates that it is OK to wait for resources. If the request cannot be immediately fulfilled, the current process is put to sleep to wait for resources to be released by other processes. The malloc(), realloc(), and reallocf() functions cannot return NULL if M_WAITOK is specified.** This is the root of my confusion EDIT: The clarification for M_FAST is made in my answer below.

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  • deep zoom is not displayed

    - by George2
    I am using VSTS 2008 + C# + .Net 3.5 + Windows Vista Enterprise x86. I have used Silverlight Deep Zoom composer tool to export my composed images into Siverlight type. Everything is previewed fine after export successful message (I select browse from browser). But when I click the Test.html in the exported project to show Deep Zoom effects from browser, nothing is displayed. Here is my screen snapshot. Any ideas what is wrong? http://i41.tinypic.com/2dac561.jpg EDIT 1: to my surprise, there is no clientbin folder in my exported project. I have made two screen snapshots for, my project folder generated by Deep Zoom Composer under Exported Data folder; the content of GeneratedImages folder under my project folder. Please refers them to, http://i42.tinypic.com/346ncec.jpg http://i42.tinypic.com/15zqkn9.jpg Any ideas what is wrong? thanks in advance, George

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