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• frameworks for coding a php library?

  - by ajsie

  there are plenty of frameworks for coding MVC web applications. this time im going to code a library (think of Doctrine or Solr) with a bunch of class files. u just include a bootstrap or a class file and you are ready to use my classes. i have never tried to code a library before and intend to code one for learning purpose so that i can use various design patterns i have learned. are there any great frameworks for this, how i should organize the different class files, where i can put configuration files and so on? tutorials or other information would be great too. thanks

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• Parsing plain data with Javascript (JQuery)

  - by Angelus

  Well , I have this text in a Javascript Var: GIMP Palette Name: Named Colors Columns: 16 # 255 250 250 snow (255 250 250) 248 248 255 ghost white (248 248 255) 245 245 245 white smoke (245 245 245) 220 220 220 gainsboro (220 220 220) 255 250 240 floral white (255 250 240) 253 245 230 old lace (253 245 230) 250 240 230 linen (250 240 230) 250 235 215 antique white (250 235 215) 255 239 213 papaya whip (255 239 213) And What I need is to cut it in lines and put them in one Array , after that i must separate each number and the rest in an string. I'm getting crazy searching functions to do that but now i can't see anyone in Javascript. modified End expected format will be first the next: array[0]='255 250 250 snow (255 250 250)' Then i wanna take it and extract each line into some vars to use them: colour[0]=255; colour[1]=250; colour[2]=250; string=snow (255 250 250); (the vars will be reused with each line)

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• iphone float vs integer rounding?

  - by Rob

  Okay, from what I understand, an integer that is a fraction will be rounded one way or the other so that if a formula comes up with say 5/6 - it will automatically round it to 1. I have a calculation: xyz = ((1300 - [abc intValue])/6) + 100; xyz is defined as an NSInteger, abc is an NSString that is chosen via a UIPicker. I want the calculation (1300 - [abc intValue]) to add 1 to 100 for each 6 units below 1300. For example, 1255 should result in xyz having a value of 100 and 1254 should result in a value of 101. Now, I understand that my formula above is wrong because of the rounding principles, but I am getting some CRAZY results from the program itself. When I punched in 1259 - I got 106. When I punched in 1255 - I got 107. Why would it behave that way?

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• Screen orientation change forces data re-entry

  - by Timbermar

  I'm developing a simple app, only a handful of activities and nothing to complicated. The issue I'm having is that in a few of my activities I have EditText widgets, and when the screen is rotated, these widgets loose their values. They still visually, that is, on the handset screen, report their values from before the rotation, but to the code report their default values. An example, I have an activity with an EditText, I enter a number, 15, the calculator starts calculating, displays a result. If at this point I rotate to a different orientation, as expected the activity dies, reloads, shows the new orientation, my value of 15 is still in the EditText, however the calculator (the code) calculates as if it was 0, which is the initial value. I have not tried changing the initial value to see if it is really pulling from the default value, or just setting itself to 0 when I cast it as an int. If I didn't explain this well enough, let me know, I can add source code if I need to. Thanks.

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• Can't delete a file created by mkstemp() on Mac OS X

  - by splicer

  Apparently, NSFileManager is unable to delete files created by mkstemp(). Here's some test code to demonstrate this: char pathCString[] = "/tmp/temp.XXXXXX"; int fileDescriptor = mkstemp(pathCString); if (fileDescriptor == -1) { NSLog(@"mkstemp failed"); } else { close(fileDescriptor); NSURL *url = [NSURL URLWithString:[NSString stringWithCString:pathCString encoding:NSASCIIStringEncoding]]; NSLog(@"URL: %@", url); NSError *error; if (![[NSFileManager defaultManager] removeItemAtURL:url error:&error]) { NSLog(@"could not delete file: %@", error); } } Here's what I see in the log when I run the above code: URL: /tmp/temp.A7DsLW could not delete file: Error Domain=NSCocoaErrorDomain Code=4 UserInfo=0x1001108a0 "The file “temp.A7DsLW” doesn’t exist." I'm running this on Snow Leopard. Any ideas on why the problem is occurring and/or how to work around it? Thanks!

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• How to access Dispatcher in Silverlight tests?

  - by bluebit

  I am using the SL unit test framework for tests (http://code.msdn.microsoft.com/silverlightut). My code is heavily client-server communications dependant, and I access the GUI dispatcher in several places to make sure important data is only accessed on a single thread (ie. the GUI thread). This dispatcher seems unavailable in the unit tests - I have tried using Deployment.Current.Dispatcher and even created an instance of a blank control to try use its own dispatcher, but both don't work. The code inside of Dispatcher.BeginInvoke() just never executes, even if I include a Thread.Sleep afterwards.

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• some questions about python

  - by avon_verma

  I have a few questions about python I've seen many pages like these on Google http://mail.google.com/support/bin/answer.py?answer=6583 https://www.google.com/adsense/support/bin/topic.py?topic=13488 ...that have .py extensions. 1: Are pages like these built on pure python code, but printing out html like print "<div etc..." or like the typical asp,jsp,php type of pages with html pages and embedded python code like: <html> <% some python code %> </html> 2: What is python mainly used for making? windows apps or web or .. ? Also, are ruby and perl also similar to python?

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• Printf ubuntu Segmentation fault (core dumped)

  - by Someone

  I have this code: int a; printf("&a = %u\n",(unsigned)&a); printf("a\n"); printf("b\n"); printf("c\n"); printf("d\n"); I tried to print the pointer of a variable. But it fail on the row printf("a\n"); and says Segmentation fault (core dumped) Output: &a = 134525024 Segmentation fault (core dumped) When I remove the row printf("&a = %u\n",(unsigned)&a); from the code, its success. Output: a b c d What worng in my code?

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• 3 fixed Columns (header and footer) using DIVs, NO Absolute DIVs, IE friendly, ALL columns stretch e

  - by Phillip Schein

  Left to right, Col1 id 560px wide with 10 px padding, middle column, 250px wide with 5px padding and Col3 (siderbar) is 200px wide with 3px padding. Background coloR, no matter text length in any column should stretch vertically equal. No javascript (jQuery workarounds) to make it work. It needs to be pure Semantic Markup with CSS. Each Column should have a nested column of color were content will go. Column 1 should be SEO prominant which means the highest nested column for Google and other Search Engines to crawl. I have used 'The Holy Grail" layout, articles at "A List Apart" and these solution are so convoluted that they push the main columns left and than the nested columns push them with padding back right. This is crazy! I try to adjust these examples, but they're not editable by just adjusting a width in the CSS or the padding, etc. Can you please help me?

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• Working effectively with unit tests / Anyone tried the in-assembly approach?

  - by CodingCrapper

  I'm trying to re-introduce unit testing into my team as our current coverage is very poor. Our system is quite large 40+ projects/assemblies. We current use a project named [SystemName].Test.csproj were all the test code is dumped and organised to represent the namespaces using folders. This approach is not very scalable and makes it difficult to find tests. I've been thinking about added a Tests folder to each project, this would put the unit tests "in the developers face" and make them easy to find. The downside is the Production release code would contain references to nunit, nmocks as well as the test code and test data.... Has anyone tried this approach? How is everyone else working with unit tests on large projects? Having a Tests project per "real" project/assembly would introduce too many new projs. Thanks in advance

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• What is a good practice for handling SQL connections within a WCF call?

  - by Rising Star

  Suppose I want to create a (stateless) WCF service with three methods exposed on an endpoint: performSqlOperationA(), performSqlOperationB(), and performSqlOperationC(). Each method inserts data into a SQL database. The way I've seen things done at my office, each method would begin with code to initialize a SqlConnection object. Each method would end with code to safely dispose it. What is a good practice for coding these WCF methods so that the SqlConnection object is initialized and disposed in each method without having to do these things in each method? I know that I can have the connection initialized in the constructor for the class for the WCF methods, but I don't know about disposing it... The calls cannot be wrapped in a using block. One solution I'm familiar with is PostSharp, which allows me to set an attribute which causes specific code to automatically run at the beginning and end of each method call, but it would be greatly preferable to do this with only the .net framework.

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• pointer delegate in STL set.

  - by ananth

  hi. Im kinda stuck with using a set with a pointer delegate. my code is as follows: void Graph::addNodes (NodeSet& nodes) { for (NodeSet::iterator pos = nodes.begin(); pos != nodes.end(); ++pos) { addNode(*pos); } } Here NodeSet is defined as: typedef std::set NodeSet; The above piece of code works perfectly on my windows machine, but when i run the same piece of code on a MAC, it gives me the following error: no matching function for call to 'Graph::addNode(const boost::shared_ptr&)' FYI, Node_ptr is of type: typedef boost::shared_ptr Node_ptr; can somebody plz tell me why this is happening?

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• Forcing A Postback Asp.Net

  - by Nick LaMarca

  Please take a look at the following click event... Protected Sub btnDownloadEmpl_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnDownloadEmpl.Click Dim emplTable As DataTable = SiteAccess.DownloadEmployee_H() Dim d As String = Format(Date.Now, "d") Dim ad() As String = d.Split("/") Dim fd As String = ad(0) & ad(1) Dim fn As String = "E_" & fd & ".csv" Response.ContentType = "text/csv" Response.AddHeader("Content-Disposition", "attachment; filename=" & fn) CreateCSVFile(emplTable, Response.Output) Response.Flush() Response.End() lblEmpl.Visible = True End Sub This code simply exports data from a datatable to a csv file. The problem here is lblEmpl.Visible=true never gets hit because this code doesnt cause a postback to the server. Even if I put the line of code lblEmpl.Visible=true at the top of the click event the line executes fine, but the page is never updated. How can I fix this?

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• How to replace the image ?

  - by master123

  Below code displays the tree structure.When i click on the image Pic.gif,it has to get replaced by new image.Similarly pic1.gif to new image,pic6.gif to new image.Can you help mw with the code where exactly it fits in this code ???? var children = [{ text: 'family', icon: 'pic1.gif', children: [{ text: 'parent1', icon: 'pic2.gif', children: [{ icon: 'pic3.gif', text: 'children1', leaf: true}, { icon: 'pic4.gif', text: 'children2', leaf: true}, { icon: 'pic5.gif', text: 'children3', leaf: true}]}], }, { text: 'Parent2', icon: 'pic6.gif', children: [{ icon: 'pic7.gif', text: 'children4', leaf: true}, { icon: 'pic8.gif', text: 'children5', leaf: true}, { icon: 'pic9.gif', text: "children6", leaf: true}]}]; Ext.onReady(function() { var tree = new Ext.tree.TreePanel({ loader: new Ext.tree.TreeLoader(), width: 1000, height: 1000, renderTo: Ext.getBody(), root: new Ext.tree.AsyncTreeNode({ expanded: false, leaf: false, icon: 'pic.gif' , text: 'Head', children: children }) }); });

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• Trying to read keyboard input without blocking (Windows, C++)

  - by Adam E

  I'm trying to write a Windows console application (in C++ compiled using g++) that will execute a series of instructions in a loop until finished OR until ctrl-z (or some other keystroke) is pressed. The code I'm currently using to catch it isn't working (otherwise I wouldn't be asking, right?): if(kbhit() && getc(stdin) == 26) //The code to execute when ctrl-z is pressed If I press a key, it is echoed and the application waits until I press Enter to continue on at all. With the value 26, it doesn't execute the intended code. If I use something like 65 for the value to catch, it will reroute execution if I press A then Enter afterward. Is there a way to passively check for input, throwing it out if it's not what I'm looking for or properly reacting when it is what I'm looking for? ..and without having to press Enter afterward?

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• Trying to use table aliases in SQL...

  - by user366685

  I'm a graphic designer trying my best to understand table aliases, but it's not working. Here's what I have so far: SELECT colours.colourid AS colourid1, combinations.manufacturercolourid AS colourmanid1, colours.colourname AS colourname1, colours.colourhex AS colourhex1, combinations.qecolourid2 AS colouridqe2, colours.colourid AS colourid2, colours.colourname AS colourname2, colours.colourhex AS colourhex2, colours.colourid AS colourid3, combinations.qecolourid3 AS colouridqe3, colours.colourname AS colourname3, colours.colourhex AS colourhex3, colours.colourid AS colourid4, combinations.qecolourid4 AS colouridqe4, colours.colourname AS colourname4, colours.colourhex AS colourhex4, combinations.coloursupplierid FROM combinations INNER JOIN colours ON colours.colourid = combinations.manufacturercolourid; Now, the idea is that in the colours lookup table, the id will pull the colour code, hex and name from the lookup table so that I can pull the colour code, hex and name for the 4 colours that I'm looking for. I can get this to work, but it only pulls up the first name, code and hex and I'm just not seeing what I'm doing wrong.

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• PHP list of specific files in a directory

  - by Jessica

  The following code will list all the file in a directy <?php if ($handle = opendir('.')) { while (false !== ($file = readdir($handle))) { if ($file != "." && $file != "..") { $thelist .= '<LI><a href="'.$file.'">'.$file.'</a>'; } } closedir($handle); } ?> <P>List of files:</p> <UL> <P><?=$thelist?></p> </UL> While this is very simple code it does it job. I'm now looking for a way to list ONLY file that have .xml (or .XML) at the end, how do I do that? Code is appreciate, thanks! jess

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• Context Menu SourceControl Error

  - by developer

  Hi All, I am trying to use contextmenu in my textbox control and I want to bind the textbox value to the value selected in context menu,below is my code <Window.CommandBindings> <CommandBinding Command="local:MyPanel.ChangeTextboxValue" Executed="ChangeTextboxValue_Executed"/> </Window.CommandBindings> CODE-BEHIND public static RoutedUICommand ChangeTextboxValue = new RoutedUICommand ("ChangeTextboxValue", "ChangeTextboxValue", typeof(MyPanel)); private void ChangeTextboxValue_Executed(object sender, ExecutedRoutedEventArgs e) { string oldvalue = Convert.ToString(e.Parameter); (((sender as MenuItem).Parent as ContextMenu).PlacementTarget as TextBox).Text = oldvalue; } oldvalue is the value I want the textbox controls value to change to. I am trying to use above code but it gives me the error, 'Object reference not set to an instance of object'. I tried to debug the app and I get ContextMenu as null.. .Any ideas why??

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• WPF - Weird results with DataGrid - extra line for editing entries

  - by Jim Beam

  Working with WPF and C#. I have a page with a datagrid that lists a series of objects with List as the DataContext. I recently had it working in the code behind and the Datagrid would show the extra line at the bottom of the datagrid for new entries. Now, I have moved the exact same code to its own library project. The data still appears but the extra line for entry does not and users cannot add a new record. I have already tried using grid.CanUserAddNew = true; but that does not solve it. So, it must be something in the List object - it's the exact same code as before, only pulling from a library. Help.

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• Javascript: sort objects

  - by tom

  function Player() { var score; this.getScore = function() { return score; } this.setScore = function(sc) { score = sc; } } function compare(playerA, playerB) { return playerA.getScore() - playerB.getScore(); } var players = []; players['player1'] = new Player(); players['player2'] = new Player(); Array(players).sort(compare); I have code that is similar to the above. When I step through the code with a debugger, the compare function never gets called and the array isn't sorted. I'm not sure what's wrong with my code?

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• replace <br> to new line between pre tag

  - by saturngod

  I want to convert <p>Code is following</p> <pre> &lt;html&gt;<br>&lt;/html&gt; </pre> to <p>Code is following</p> <pre> &lt;html&gt; &lt;/html&gt; </pre> I don't know how to write regular expression for replace between pre tag in PHP. I tried this code http://stackoverflow.com/questions/1517102/replace-newlines-with-br-tags-but-only-inside-pre-tags but it's not working for me.

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• DataGridView and the CellEndEdit Event

  - by Brandon

  I have a DataGridView, and would like to hook into the CellEndEdit event. I've been able to successfully hook into the CellContentClick event, but am having issues with CellEndEdit. I added the following code to my Form1.cs file: private void dataGridView1_CellEndEdit(object sender, DataGridViewCellCancelEventArgs e) { dataGridView1[0, 0].Value = "Changed"; } With that code, nothing happens when I am done editing a cell. Is there anything else that I need to do to successfully hook into this event? I see that CellContentClick has a this.dataGridView1.CellContentClick += new System.Windows.Forms.DataGridViewCellEventHandler(this.dataGridView1_CellContentClick); line of code in the Form1.Designer.cs file, but I tried to mimic this for CellEndEdit, and received a compile error (No overload for 'dataGridView1_CellEndEdit' matches delegate 'System.Windows.Forms.DataGridViewCellEventHandler')

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• How to release a string created inside a method in iphone?

  - by Warrior

  I have declared a local string inside the method.I am releasing the string inside the same method.I found my code crashing if release that object.If i dont release the string,code runs successfully.I have called that method in viewdidappear so that method is called while pushing and poping.Nothing gets printed in the console. Here is my code -(void)appendString{ NSString *locStr = [[NSString alloc] initWithString:@""]; for (int i=0;i<[result count]; i++) { locStr=[locStr stringByAppendingFormat:@"%@",[result objectAtIndex:i]]; } [str setString:locStr]; [locStr release]; } I am calling the "appendString" method from "viewDidAppear"."str" is a NSMutable string declared in .h class.How should i release the "locStr" .Please help me out

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• Porting library from Java to Python

  - by Mike Griffith

  I'm about to port a smallish library from Java to Python and wanted some advice (smallish ~ a few thousand lines of code). I've studied the Java code a little, and noticed some design patterns that are common in both languages. However, there were definitely some Java-only idioms (singletons, etc) present that are generally not-well-received in Python-world. I know at least one tool (j2py) exists that will turn a .java file into a .py file by walking the AST. Some initial experimentation yielded less than favorable results. Should I even be considering using an automated tool to generate some code, or are the languages different enough that any tool would create enough re-work to have justified writing from scratch? If tools aren't the devil, are there any besides j2py that can at least handle same-project import management? I don't expect any tool to match 3rd party libraries from one language to a substitute in another.

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• making ajax request to another server

  - by santhosh

  Hi, I had a ajax sample code from W3Schools, where If i request ajax call to remote server the request getting fails. function loadXMLDoc() { if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function() { if (xmlhttp.readyState==4 && xmlhttp.status==200) { document.getElementById("myDiv").innerHTML=xmlhttp.responseText; } } xmlhttp.open("GET","http://www.google.com",true); xmlhttp.send(); } How to solve this..?

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