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  • best way to make this app/website combo?

    - by mharris7190
    I have an idea for an app that lets different bars upload drink specials via a webpage to that app. They would log in the website, and the website would prompt them with a box to input the drink specials. When they are done, the app pulls the information and creates a card for that bar. The app would launch into a week view where you select the day you want to see specials for. After the day is selected, it brings you to a scroll view with different bars' cards laid out vertically, each taking up the width of the screen, allowing the user to scroll through the deals for that day of the week. How should I go about doing this if I have very little programming experience? Is there any convention in doing an app like this? Can anyone suggest any reading material that would help? Thank you!

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  • Django logging in and out - doesn't work if prepend_www set

    - by ropz
    I'm a Django beginner. My site - let's call it abc.com - works fine, letting users log in and out (having originally registered via Django registratiaon). If it's relevant, my virtuahosts file has ServerName abc.com and ServerAlias www.abc.com directives. I don't want my visitors to sense that both abc.com and www.abc.com exist, and so discovered Django's prepend_www setting, which works as intended. In addition to working as intended, however, there's a side effect that disables logging in and out when visiting the www. variant of my site.

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  • Why is [date] + [time] non-deterministic in SQL Server 2008?

    - by John Gietzen
    I'm trying to do the following for my IIS logs table: ALTER TABLE [W3CLog] ADD [LogTime] AS [date] + ([time] - '1900-01-01') PERSISTED However, SQL Server 2008 tells me: Computed column 'LogTime' in table 'W3CLog' cannot be persisted because the column is non-deterministic. The table has this definition: CREATE TABLE [dbo].[W3CLog]( [Id] [bigint] IDENTITY(1,1) NOT NULL, ... [date] [datetime] NULL, [time] [datetime] NULL, ... ) Why is that non-deterministic? I really need to index that field. The table currently has 1598170 rows, and it is a pain to query if we can't do an index seek on the full time. Since this is being UNION'd with some other log formats, we can't very easily just use the two columns separately.

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  • Javascript: adding methods using prototype descriptor

    - by LDK
    Sorter.prototype.init_bubblesort = function(){ console.log(this.rect_array); this.end = this.rect_array.length; this.bubblesort(); } Sorter.prototype.init = function(array,sort_type){ this.rect_array = array; this.init_bubblesort(); } The code above works as expected, but when I change the init function to: Sorter.prototype.init = function(array,sort_type){ var sort_types = {'bubblesort':this.init_bubblesort, 'quicksort':this.init_quicksort, 'liamsort':this.init_liamsort}; this.rect_array = array; sort_types[sort_type](); } the init_bubblesort function results in an error saying this.rect_array is undefined. I'm trying to wrap my head around why init_bubblesort no longer as access to it's instance's variables.

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  • Problem in building a tab bar inside navigation controller

    - by Heba
    Hello Everyone! I am really frustrated and I rally hope that you will help me to solve this problem! I'm trying to build a tab bar inside a navigation controller. I used this template provided by WiredBob. My problem is that I want to add more bar items to the tab bar, but I keep getting crash! From the log: 2010-05-24 00:15:43.469 NavTab[9315:207] * Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: '-[UITableViewController loadView] loaded the "AnnView" nib but didn't get a UITableView.' Also, I tried to fix the size of the a view in IB to fit in with the tab bar, but I couldn't! It was unchangeable. Thanks in advance :-)

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  • Prevent keypress whilst shift key is held

    - by deifwud
    I'm trying to prevent certain keys from being entered into an input box, but only if that particular key is pressed whilst the shift key is held: $('selector').keydown(function(e) { console.log(e.shiftKey); if (e.shiftKey && e.which == 51) { e.preventDefault(); alert('Disallowed'); } }); The alert fires but the character still appears in the text box. If I remove e.shiftKey from the if statement and press the key (without shift held), the alert fires and the character does not appear in the text box. I've tried searching around for an explanation as to why this happens but to no avail, any help would be greatly appreciated! edit Removing the alert seems to fix the problem (which seems bizarre), I'd really love to know why it behaves in this way though, it doesn't seem to make any sense. Thanks

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  • Are function arguments stored in a closure?

    - by Nick Lowman
    I was reading this great article about closures here and the example below outputs 'item3 undefined' three times. I understand why it outputs 'item3' three times as the functions inside buildList() all use the same single closure but why can't it access the 'list' argument? Why is it undefined? Is it because the argument is passed in after the closure has been created? function buildList(list) { var result = []; for (var i = 0; i < list.length; i++) { var item = 'item' + list[i]; result.push( function() {console.log(item + ' ' + list[i])} ); } return result; } function testList() { var fnlist = buildList([1,2,3]); // using j only to help prevent confusion - could use i for (var j = 0; j < fnlist.length; j++) { fnlist[j](); } }

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  • AJAX Closures and targeting 'this'

    - by Nick Lowman
    In the code example below the success callback function logs 'input#04.update' four times rather than each individual input, which makes sense seeing how closures work but how would I go about targeting each individual input using this. <input type="text" name="" id="01" class="update"> <input type="text" name="" id="02" class="update"> <input type="text" name="" id="03" class="update"> <input type="text" name="" id="04" class="update"> function updateFields(){ $('input.update').each(function(){ $this = $(this); $.ajax({ data: 'id=' + this.id, success: function(resp){ console.log($this); $this.val(resp) } }); }); }

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  • generating an objectForKey from an array

    - by Brian
    I'm having success when I use this code to get a string from an array of file names called "fileList": cell.timeBeganLabel.text = [[[self.fileList objectAtIndex:[indexPath row]] lastPathComponent] stringByDeletingPathExtension]; so I expected the same code to generate the same string as a key for me in this: NSDictionary *stats = [thisRecordingsStats objectForKey:[[[self.fileList objectAtIndex:[indexPath row]] lastPathComponent] stringByDeletingPathExtension]]; cell.durationLabel.text = [stats objectForKey:@"duration"]; or this: NSDictionary *stats = [thisRecordingsStats objectForKey:@"%@",[[[self.fileList objectAtIndex:[indexPath row]] lastPathComponent] stringByDeletingPathExtension]]; Both build without error, and the log shows my data is there: but I'm getting a blank UILabel. Have I not written the dynamic key generator correctly?

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  • try except block in Delphi

    - by Nik
    Do you guys know a way to trap log and re-raise exception in Delphi code. A simple example: procedure TForm3.Button1Click(Sender: TObject); begin try raise Exception.Create('Bum'); except on E: Exception do begin MyHandleException(E); end; end; end; procedure TForm3.MyHandleException(AException: Exception); begin ShowMessage(AException.Message); // raise AException; - this will access violate end; So I need to re-raise it in the except block but I was wondering is there a better way to write my own method to handle and (on specific conditions) to re-raise exceptions?

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  • zend like mysql problem

    - by pradeep
    hi, I am trying to use like in zend switch($filter2) { case 'name': switch($filter1) { case 'start_with': $search = "\"pd_name like ?\", '$patient_search_name%'"; break; case 'contains': $search = "'pd_name like ?', '%$patient_search_name%'"; break; case 'exact_match': $search = "'pd_name = ?', $patient_search_name"; break; } break; case 'phone': switch($filter1) { case 'start_with': $search = "'pd_phone like ?', '$patient_search_name%'"; break; case 'contains': $search = "'pd_phone like ?', '%$patient_search_name%'"; break; case 'exact_match': $search = "'pd_phone = ?', $patient_search_name"; break; } break; } $select = $this->getDbTable()->select() ->from("patient_data", array('*')) ->where("$search"); but when i see the query log its like SELECT `patient_data`.* FROM `patient_data` WHERE ("pd_name like ?", 'bhas%') where as the ? should have been replaced by the value ....how to solve this??

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  • How to migrate a codebase from one svn repo to another preserving history?

    - by chotchki
    I have a branch in a badly structured svn repo that needs to be stripped out and moved to another svn repository. (I'm trying to clean it up some). If I do an 'svn log' and not stop on copy/rename I can see all 3427 commits that I care about. Is there some way to dump the revisions out, short of writing some major scripts? I would follow the advice in this question but this branch has been moved all over the place and I would like to preserve the moves as well. Any ideas?

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  • Selecting the image after execCommand

    - by jerebear
    Have been banging my head against the wall on this one for a while now. I have an editor that is inserting an image but I can't get it to select the newly inserted image in Firefox after execCommand Runs. Here's my code. var editor = this; var sel = editor._getSelection(); var range = editor._createRange(sel); editor._doc.execCommand("insertimage", false, imgURL); img = range.startContainer.previousSibling; console.log(img);

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  • Executing functions in series

    - by Latanmos
    Hi, First of all... Happy new year! Could you please explain to me, how does this work? I browsed throught Connect's (https://github.com/senchalabs/connect) source code, but I don't get it. I would like to write it by myself. app.get( '/', function(req, res, next) { // Set variable req.var = 'Happy new year!'; // Go to next function next(); }, function(req, res, next) { // Returns 'Happy new year!' console.log(req.var); // <- HOW IS THIS POSSIBLE? // (...) } ); Thanks in advance!

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  • Error in SQL. Can not find it.

    - by kmsboy
    Error in SQL. Can not find it. DECLARE @year VARCHAR (4), @month VARCHAR (2), @day VARCHAR (2), @weekday VARCHAR (2), @hour VARCHAR (2), @archivePath VARCHAR (128), @archiveName VARCHAR (128), @archiveFullName VARCHAR (128) SET @year = CAST(DATEPART(yyyy, GETDATE()) AS VARCHAR) SET @month = CAST(DATEPART(mm, GETDATE()) AS VARCHAR) SET @day = CAST(DATEPART(dd, GETDATE()) AS VARCHAR) SET @weekday = CAST(DATEPART (dw, GETDATE()) AS VARCHAR) SET @hour = CAST(DATEPART (hh, GETDATE()) AS VARCHAR) SET @archivePath = 'd:\1c_new\backupdb\' SET @archiveName = 'TransactionLog_' + @year + '_' + @month + '_' + @day + '_' + @hour + '.bak' SET @archiveFullName = @archivePath + @archiveName BACKUP LOG [xxx] TO DISK = @archiveFullName WITH INIT , NOUNLOAD , NAME = N'?????????? ??? ??????????', SKIP , STATS = 10, DESCRIPTION = N'?????????? ??? ??????????', NOFORMAT

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  • JQuery: addClass() not changing background on selector

    - by centr0
    im having a little trouble getting the background image to swap out on click() $('.highlight-boxes li a[class!=selected-box]').click(function() { $('.highlight-content').hide(); $('.highlight-boxes li a').removeClass(); $(this).addClass('box-selected'); // problem here var selected = $(this).attr('href').substr(1); $('#' + selected).stop(true,true).fadeIn(); return false; }); console.log() in firebug returns the correct element being clicked but $(this).addClass('box-selected') does not change the background of the currently clicked element. any ideas? TIA

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  • cant get ajax response (JSON) to call 'success' function?

    - by Haroldo
    for some reason the success function isnt being called? javscript: $.ajax({ type: 'POST', url: 'http://localhost/hf_latest_desktop/st_pages/user_area/acc_buttons/pass_change/pass_change_ajax.php', data: data, dataType: 'json', success: function(e){ console.log(e); if(e.status == 'success'){ alert('your password has been changed!'); } if(e.status == 'error1'){ alert('please fill in all inputs!'); } if(e.status == 'error2'){ alert('password incorrect!'); } if(e.status == 'error3'){ alert('change failed!'); } } }); php file ajax is calling to: <?php session_start(); session_cache_limiter('nocache'); header('Expires: ' . gmdate('r', 0)); header('Content-type: application/json'); $status = 'error1'; //for sake of example ?> {'status':'<?php echo $status; ?>'}

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  • How to break a jquery variable dynamically based on condition

    - by Adi
    I have a jquery variable which has is showing the value in the console as .. ["INCOMING", 0, "INETCALL", 0, "ISD", 31.8, "LOCAL", 197.92, "STD", 73.2] Now as per my need i have to break these values and make it like this ["INCOMING", 0],["INETCALL", 0],["ISD", 31.8],["LOCAL", 197.92],["STD", 73.2] but these values i need to make in the required formate dynamically as this is received from database. Here is my ajax call to get the values from server side.. var dbdata=""; $(document).ready(function() { $.ajax({ type: 'GET', url: 'getPieChartdata', async:false, dataType: "text", success: function(data) { dbdata=JSON.parse(data); } }); console.log(dbdata); }); Please guys help me . Thanks in advance..

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  • Java application return codes

    - by doele
    I have a Java program that processes one file at a time. This Java program is called from a wrapper script which logs the return code from the Java program. There are 2 types of errors. Expected errors and unexpected errors. In both cases I just need to log them. My wrapper knows about 3 different states. 0-OK, 1-PROCESSING_FAILED, 2- ERROR. Is this a valid approach? Here is my approach: enum ReturnCodes {OK,PROCESSING_FAILED,ERROR}; public static void main(String[] args) { ... proc.processMyFile(); ... System.exit(ReturnCodes.OK.ordinal()); } catch (Throwable t) { ... System.exit(ReturnCodes.ERROR.ordinal()); } private void processMyFile() { try { ... }catch( ExpectedException e) { ... System.exit(ReturnCodes.PROCESSING_FAILED.ordinal()); } }

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  • Why does using set -e cause my script to fail when called in crontab

    - by SDGuero
    I have a bash script that performs several file operations. When any user runs this script, it executes successfully and outputs a few lines of text but when I try to cron it there are problems. It seems to run (I see an entry in cron log showing it was kicked off) but nothing happens, it doesn't output anything and doesn't do any of its file operations. It also doesn't appear in the running processes anywhere so it appears to be exiting out immediately. After some troubleshooting I found that removing "set -e" resolved the issue, it now runs from the system cron without a problem. So it works, but I'd rather have set -e enabled so the script exits if there is an error. Does anyone know why "set -e" is causing my script to exit? Thanks for the help, Ryan

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  • "Teach" a computer how to do addition?

    - by ffar
    The problem is to learn computer to do addition. Computer have as input a knowladge of a numbers: he "knows" that after 1 goes 2, after 2 goes 3 and so on... Having that data computer can easyly get next number. Next, computer have knowlandge as input that x+0=x and x+(y+1)=(x+1)+y. This axioms let computer to do addition. For example, to add 5 and 3, computer makes following: 5+3 = 5+(2+1) = (5+1)+2 = 6+2 = 6+(1+1) = (6+1)+1 = 7+1 = 8. But this is too long to add numbers in such way. The problem is to develop program which can improve this way of addition using the rules of mathemetics and logic. The goal addition must executed in O(log(N)) time, not O(N) time, N is magnitude of added numbers. Have this program any science value? Is any program can do such things?

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  • Constructors and method chaining in JavaScript

    - by Sethen Maleno
    I am trying to make method chaining work in conjunction with my constructors, but I am not exactly sure how to go about it. Here is my code thus far: function Points(one, two, three) { this.one = one; this.two = two; this.three = three; } Points.prototype = { add: function() { return this.result = this.one + this.two + this.three; }, multiply: function() { return this.result * 30; } } var some = new Points(1, 1, 1); console.log(some.add().multiply()); I am trying to call the multiply method on the return value of the add method. I know there is something obvious that I am not doing, but I am just not sure what it is. Any thoughts?

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  • "this" in JavaScript

    - by cf_PhillipSenn
    I'm trying to understand the syntax of how to put together a JavaScript function as an object. Q: Is this the right way to do it? The reason why I ask is because I'm looking at it in Firebug and I was hoping to be able to drill down and see the value of myVar and myVariable, but instead Firebug only says that "this" is an object Object. var myObject = { init: function() { var myVar = 1; myObject.myVariable = 2; console.log('"this" when called as an object: ' + this); } } myObject.init(); Also, what's the funny little syntax to call it directly upon declaration? Something about (), but when I remove the last line and put () at the end of the declaration, I get a syntax error.

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  • trying to understand some codes related to window.onload in js

    - by user2507818
    <body> <script language="javascript"> window.tdiff = []; fred = function(a,b){return a-b;}; window.onload = function(e){ console.log("window.onload", e, Date.now() ,window.tdiff, (window.tdiff[1] = Date.now()) && window.tdiff.reduce(fred) ); } </script> </body> Above code is taken from a site. In firefox-console, it shows: window.onload load 1372646227664 [undefined, 1372646227664] 1372646227664 Question: For window.tdiff->[undefined, 1372646227664], why not:[], because when runs to code:window.tdiff, it is still an empty array? For window.tdiff.reduce(fred)->1372646227664, window.tdiff = [undefined, 1372646227664], undefined - 1372646227664, should be NaN, why it shows 1372646227664?

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