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• Loading xml with Jquery - why doesn't this work

  - by es11

  I have regular javascript code and am trying to utilize JQuery just to load and parse an xml file. I have the following: function loadXml() { $(function() { $.ajax({ type: "GET", url: "my_file.xml", dataType: "xml", success: parseXml }); }); } function parseXml() { alert("Parsing..."); } When calling loadXml I cannot get the callback success function to execute. I am running this all locally and my_file.xml resides in the same directory as this javascript. Any ideas?

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• How to check if EditText has a value in Android / Java

  - by Allen Gingrich

  This should be simple, but I have tried if statements checking for null values and also ones checking the .length of it: EditText marketValLow = (EditText) findViewById(R.id.marketValLow); EditText marketValHigh = (EditText) findViewById(R.id.marketValHigh); if (marketValLow.getText().length() != 0 && marketValHigh.getText().length() != 0) { Intent intent = new Intent(); intent.setClass(v.getContext(), CurrentlyOwe.class); startActivity(intent); } else { Toast.makeText(CurrentMarketValue.this, "You need to enter a high AND low.", Toast.LENGTH_SHORT); } But it doesn't detect nothing was entered. Any ideas? Thanks!

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• In Python, how do I remove the "root" tag in an HTML snippet?

  - by Chung Wu

  Suppose I have an HTML snippet like this: <div> Hello <strong>There</strong> <div>I think <em>I am</em> feeing better!</div> <div>Don't you?</div> Yup! </div> What's the best/most robust way to remove the surrounding root element, so it looks like this: Hello <strong>There</strong> <div>I think <em>I am</em> feeing better!</div> <div>Don't you?</div> Yup! I've tried using lxml.html like this: lxml.html.fromstring(fragment_string).drop_tag() But that only gives me "Hello", which I guess makes sense. Any better ideas?

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• Program crash for array copy with ifort

  - by Stefano Borini

  This program crashes with Illegal instruction: 4 on MacOSX Lion and ifort (IFORT) 12.1.0 20111011 program foo real, pointer :: a(:,:), b(:,:) allocate(a(5400, 5400)) allocate(b(5400, 3600)) a=1.0 b(:, 1:3600) = a(:, 1:3600) print *, a print *, b deallocate(a) deallocate(b) end program The same program works with gfortran. I don't see any problem. Any ideas ? Unrolling the copy and performing the explicit loop over the columns works in both compilers. Note that with allocatable instead of pointer I have no problems. The behavior is the same if the statement is either inside a module or not. I confirm the same behavior on Linux using ifort (IFORT) 12.1.3 20120130.

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• How to set the URL of a link to a variable using WATIR

  - by Alex

  Using WATIR and Excel, I'd like to take the first row of a table in Excel, visit the URL, then set the 12th link on the page as a variable in the cell next to the cell with the URL, then go to the next line and repeat. I'm stuck on getting the URL of the 12th link on the page to set as a variable that I can feed into the next cell in Excel. Here's what I have and it's not working. worksheet = workbook.WorkSheets(1) # get first workbook #declare test site test_site = worksheet.Range("a2").text #open ie ie = Watir::IE.new #go to test_site ie.goto test_site #find primlink ie.link(:index, 12).text = "primlink" puts primlink Any ideas?

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• Backup Google Calendar programmatically: https://www.google.com/calendar/exporticalzip

  - by Michael

  I'm struggling with writing a python script that automatically grabs the zip fail containing all my google calendars and stores it (as a backup) on my harddisk. I'm using ClientLogin to get an authentication token (and successfully can obtain the token). Unfortunately, i'm unable to retrieve the file at https://www.google.com/calendar/exporticalzip It always asks me for the login credentials again by returning a login page as html (instead of the zip). Here's the critical code: post_data = post_data = urllib.urlencode({ 'auth': token, 'continue': zip_url}) request = urllib2.Request('https://www.google.com/calendar', post_data, header) try: f = urllib2.urlopen(request) result = f.read() except: print "Error" Anyone any ideas or done that before? Or an alternative idea how to backup all my calendars (automatically!)

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• X-Domain Cookies in iFrames

  - by John

  Hi Guys, I have a domain A.com which is my website. I want to allow the user to login and then I have embedded an iframe into domain B.com which attempts to grab the cookie from A.com to allow the user to be continued to be signed in. I can't seem to get this working in IE ? A new session gets set instead and the cookie is never retrieved. I have set a P3P policy ? Any ideas what I am doing wrong.

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• Slow query with unexpected scan

  - by zerkms

  Hello I have this query: SELECT * FROM SAMPLE SAMPLE INNER JOIN TEST TEST ON SAMPLE.SAMPLE_NUMBER = TEST.SAMPLE_NUMBER INNER JOIN RESULT RESULT ON TEST.TEST_NUMBER = RESULT . TEST_NUMBER WHERE SAMPLED_DATE BETWEEN '2010-03-17 09:00' AND '2010-03-17 12:00' the biggest table here is RESULT, contains 11.1M records. The left 2 tables about 1M. this query works slowly (more than 10 minutes) and returns about 800 records. executing plan shows clustered index scan over all 11M records. RESULT.TEST_NUMBER is a clustered primary key. if I change 2010-03-17 09:00 to 2010-03-17 10:00 - i get about 40 records. it executes for 300ms. and plan shows clustered index seek if i replace * in SELECT clause to RESULT.TEST_NUMBER (covered with index) - then all become fast in first case too. this points to hdd io issues, but doesn't clarifies changing plan. so, any ideas?

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• TinyMCE refresh issue

  - by Luke

  I'm using TinyMCE, witch is working fine for the most part... when the user saves the page redirects to a a php page that extracts the textfield data and processes it, i wont elaborate cause that's no t the issue... the issue is that when it redirects back to the page... the textfield is blank and i can click on it but not see anything, if i type it enters(but i can't see it), this also happens when i go to the address directly, the only way i can see it is to hit the refresh button... i tried a meta refresh to the page... i tried disabling cache... any ideas would be great... thanks in advance

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• Eclipse Plugin: Enablement of an Action based on the current selection

  - by Itay

  I am using the org.eclipse.ui.popupMenus extension point for adding a sub-menu whose Action that is bounded to the following class: public class MyAction implements IObjectActionDelegate { private Logic logic = Logic.getInstance(); // Singleton public void setActivePart(IAction a, IWorkbenchPart targetPart) { // Nothing here } public void run(IAction a) { // Do something... } public void selectionChanged(IAction a, ISelection s) { a.setEnabled(logic.isEnabled(s)); } } This action is working correctly in most cases (including the call a.setEnabled() in selectionChanged()). My problem at the very first time my action is being invoked. The selectionChanged method is called only after the menu item has been displayed (and not when the user has made the selection) which means that the call to a.setEnabled() will have no affect. Any ideas on how to make my action receive selectionChanged() notifications even before the fist time it is being invoked?

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• Windows Server 2008 R2 Service Pack 1 issue

  - by saj

  Net 4.0 websites running on a Windows Server 2008 R2 server using IIS 7.0. The websites allows Single Sign on via an encrypted token passed in a query string e.g. www.mywebsite.com?token=1159CE30A4ED1148E86D779AC7A1CF4DC75CCEC7213401D13CA181A2ED1C29A8. However, after installing Service Pack 1; SSO has stopped working and the website redirects to www.mywebsite.com. The redirect occurs before any code is hit. No idea what is causing this and any ideas would be much appreciated.

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• Quality Design for Asynchronous WCF Services Calls in a Middle-Tier and Returning Data to UI Tier

  - by Perplexed

  I have a WPF application with a group of asynchronous WCF service calls all mashed into the code behind, complete with event handlers and everything, that I have to refactor to productionize and maintain. I want to separate concerns here for maintainability and all the other good reasons to do this, but I'm not sure exactly how to achieve this. Anybody have any good ideas on how to do this, or at least some links to put me in the right direction? My thinking: Create an "infrastructure" layer and reference the services there. Move the asynchronous event handlers into this layer. When an update is called, I will bubble up my own event with my own derivation of the EventArgs class that contains the data the UI will need. I'll have a fairly coupled hooking of the UI to the infrastructure layer as it will consume events I fire off upon completion of an asynchronous data call.

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• Datatables pagination characters "<<" and "<" not displaying correctly in IE and Safari

  - by Jaaromy

  I'm using the DataTables jQuery plugin and am having issues with the First and Previous pagination links displaying correctly in IE and Safari (Firefox and Opera work). "<<" and "<" display as "<" and "". $(document).ready(function () { oTable = $('#fileList').dataTable({ "bJQueryUI": true, "sPaginationType": "full_numbers", "oLanguage": { "sSearch": "Search all columns:", "oPaginate": { "sNext": '>', "sLast": '>>', "sFirst": '<<', "sPrevious": '<' } } }); I have attempted to escape '\<\<' to no avail. Any ideas?

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• Crystal Report print functionlity doesn't work after deployment?

  - by Ahmed

  I'm using crystal reports to build reports, everything is ok while development. But after deployment of website, print functionality doesn't work. I use _rptDocument.PrintToPrinter(1, false, 0, 0); to print report. I've tried two methods to deploy website Normal Publish option. Web Deployment Project. But I got the same output, print functionality doesn't work. Also, I tried to set default printer, this also doesn't work. Any ideas?

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• Finding the URL of an XMLHttpRequest

  - by hawkettc

  Hi, I've got some code that does an ajax request using jQuery, and handles success and error conditions. On an error, I want to find out what the URL I called was, so I can log it. This information appears to be contained in the XMLHttpRequest.channel, but firefox is complaining about accessing this - Permission denied for <http://localhost:8081> to get property XMLHttpRequest.channel Any ideas how I can determine the URL associated with an XMLHttpRequest? What's the security issue getting hold of this information? Cheers, Colin

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• Getting counts of 0 from a query with a double group by

  - by Maltiriel

  I'm trying to write a query that gets the counts for a table (call it item) categorized by two different things, call them type and code. What I'm hoping for as output is the following: Type Code Count 1 A 3 1 B 0 1 C 10 2 A 0 2 B 13 2 C 2 And so forth. Both type and code are found in lookup tables, and each item can have just one type but more than one code, so there's also a pivot (aka junction or join) table for the codes. I have a query that can get this result: Type Code Count 1 A 3 1 C 10 2 B 13 2 C 2 and it looks like (with join conditions omitted): SELECT typelookup.name, codelookup.name, COUNT(item.id) FROM typelookup LEFT OUTER JOIN item JOIN itemcodepivot RIGHT OUTER JOIN codelookup GROUP BY typelookup.name, codelookup.name Is there any way to alter this query to get the results I'm looking for? This is in MySQL, if that matters. I'm not actually sure this is possible all in one query, but if it is I'd really like to know how. Thanks for any ideas.

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• Keeping track of dirty blocks on a block device

  - by mikeY

  I'm looking for a way to keep track of what blocks on a block device are modified after a point in time. How I eventually want to use this for is to keep two 2TB disks in sync, one which only comes online (connected through USB) once a month. Without knowing what blocks have been modified, I have to go through the whole 2TB every time. I'm using a recent GNU/Linux OS and have C and Python experience. I'm hoping to avoid writing kernel level code as I don't have any experience in that area whatsoever. My current theory is that there should be some hooks somewhere where my code can get called when a disk flush is performed. Any ideas?

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• Eclipse error: This project needs to migrate WTP metadata

  - by larf311

  We started a Web Project in Eclipse 3.2 a ways back and we've since upgraded to Eclipse 3.4 but now the Project has the error: "This project needs to migrate WTP metadata" We've tried right-clicking and doing the "quick-fix" which is in fact to Migrate WTP Metadata. Unfortunately nothing happens and the error remains. We can delete that error from the Problems and everything works as it should, however, every time we re-import the project from source control, the error re-appears. Any ideas on how to permanently get rid of this error or how to ACTUALLY migrate WTP metadata? UPDATE: Everyone, please vote on the answer that works for you rather than adding your own answer that references a previous person's answer.

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• Homemade fstat to get file size, always return 0 length.

  - by Fred

  Hello, I am trying to use my own function to get the file size from a file. I'll use this to allocate memory for a data structure to hold the information on the file. The file size function looks like this: long fileSize(FILE *fp){ long start; fflush(fp); rewind(fp); start = ftell(fp); return (fseek(fp, 0L, SEEK_END) - start); } Any ideas what I'm doing wrong here?

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• Silverlight Calling an HttpHandler

  - by Jason N. Gaylord

  I have a Silverlight application that I'm trying to get to invoke an HttpHandler by using WebClient. I have the HttpHandler just sending an email that says test when invoked. If I hit it via a browser, I get the email. However, using a WebClient object with a delegate, I can't seem to get it to connect. I'm going to try a plain old WinForms app to test my code out later this evening, but wasn't sure if I was missing something in my Silverlight app. Any ideas?

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• MySQL : incrementing text id in DB

  - by BarsMonster

  I need to have text IDs in my application. For example, we have acceptable charset azAZ09, and allowed range of IDs [aaa] - [cZ9]. First generated id would be aaa, then aab, aac, aad e.t.c. How one can return ID & increment lower bound in transaction-fashion? (provided that there are hundreds of concurrent requests and all should have correct result) To lower the load I guess it's possible to define say 20 separate ranges, and return id from random range - this should reduce contention, but it's not clear how to do single operation in the first place. Also, please note that number of IDs in range might exceed 2^32. Another idea is having ranges of 64-bit integers, and converting integer-char id in software code, where it could be done asyncroniously. Any ideas?

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• Restricting access to a website by IP address range / domain

  - by test

  Hi, I would like advice on the best way to restrict access to a weba pplication (using .net 2.0 and II6) based on the clients IP address. The two ways I am considering: 1) Through the server side code - check the client I.P against a list of IP addresses within the web.config. 2) Through IIS by creating a virtual directory and restricting the I.P addresses on this virtual directory. My question is if I go the virtual directory route there are a lot of users that access this website and I have read reverse domain lookups made during each client request can be very expensive on server resources. How much of a risj is this? Any other suggestions /ideas to doing this would be much appreciated Thanks advance,

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• Checking values in this array, JQuery

  - by Felix Guerrero

  Hi. I have this array (JQuery) where I add all my form's controls, it looks like: var name = $("#name"), surname = $("#surname"), address = $("#address"), phone = $("#phone"), photo = $("#photo"), grade = $("#grade"), profession = $("#profession"), email = $('#email'), title = $('#title'), allFields = $([]).add(name) .add(surname) .add(address) .add(phone) .add(photo) .add(grade) .add(profession) .add(email) .add(title) .add(grade); I want to check the values of each element into the 'allFields' array with function checkingFieldsArentEmpty(){ var valid = true; for (var f in allFields){ if(allFields[f].val() === null) //if any val is null just return false return false; } //true return valid; } I need ideas in order to improve the last function. Thanks.

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• Converting a date string which is before 1970 into a timestamp in MySQL.

  - by Jamie

  Not a very good title, so my apologies. For some reason, (i wasn't the person who did it, i digress) we have a table structure where the field type for a date is varchar. (odd). We have some dates, such as: 1932-04-01 00:00:00 and 1929-07-04 00:00:00 I need to do a query which will convert these date strings into a unix time stamp, however, in my sql if you convert a date which is before 1970 it will return 0. Any ideas? Thanks so much! EDIT: Wrong date format. ooops.

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• Problem with events and ParseControl

  - by Richard Edwards

  I'm adding a control (linkbutton) dynamically using ParseControl and it's fine except when I specify an event handler. If I use: Dim c As Control = ParseControl("<asp:LinkButton id=""btnHide"" runat=""server"" text=""Hide"" OnClick="btnHide_Click" />") it correctly adds the control to the page but the click event doesn't fire. If instead I find the control in the controls collection and manually wire up the event it works fine. I've tried loading in both Page_Init and Page_Load and it's the same thing either way. Any ideas?

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