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• Are there any FreeRTOS interpreted language libraries available?

  - by Great Turtle

  I work for a company that created firmware for several device using FreeRTOS. Lately our request for new features has surpassed how much work our firmware engineers are capable of, but we can't afford to hire anyone new right now either. Making even tiny changes requires firmware people to go in and modify things at a very low level. I've been looking for some sort of interpreted language project for FreeRTOS that would let us implement new features at a higher level. Ideally I would like to get things eventually so the devices become closer to generic computers with us writing drivers, rather than us having to implement every feature ourselves. Are there any FreeRTOS projects that interpret java, python or similar bytecode? I've looked on google, but since I'm not a firmware engineer myself I'm not sure if I'm looking for the right keywords. Thanks everyone

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• Why is Google Charts not showing the right data for me? Are the axis messed up?

  - by alex

  http://chart.apis.google.com/chart?cht=lc&chs=600x400&chd=t:171,811,629,507,460,390,434,379,329,312,368,329,329,329,352,330,299,323,340,325,329,1895,1047,736,617,684,620,515 If you go there on your browser, you'll notice that you see a graph. However, the axis are messed up! And it seems like I can't see the ups and downs of my line graph. WHy? I don't get what's wrong. I just want to plot the simple stuff on a line chart. Just those data points. Nothing more, nothing less!

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• django-admin - how to modify ModelAdmin to create multiple objects at once?

  - by skrobul

  let's assume that I have very basic model class Message(models.Model): msg = models.CharField(max_length=30) this model is registered with admin module: class MessageAdmin(admin.ModelAdmin): pass admin.site.register(Message, MessageAdmin) Currently when I go into the admin interface, after clicking "Add message" I have only one form where I can enter the msg. I would like to have multiple forms (formset perhaps) on the "Add page" so I can create multiple messages at once. It's really annoying having to click "Save and add another" every single time. Ideally I would like to achieve something like InlineModelAdmin but it turns out that you can use it only for the models that are related to the object which is edited. What would you recommend to use to resolve this problem?

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• Copy hashtable to another hashtable using c++

  - by zengr

  I am starting with c++ and need to know, what should be the approach to copy one hashtable to another hashtable in C++? We can easily do this in java using: HashMap copyOfOriginal=new HashMap(original); But what about C++? How should I go about it? UPDATE Well, I am doing it at a very basic level,perhaps the java example was a wrong one to give. This is what I am trying to implement using C++: I have this hash array and each element of the array point to the head of a linked list. Which has it's individual nodes (data and next pointer). And now, I need to copy the complete hash array and the linked list each node is pointing to.

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• Getting LEGEND tags to wrap text properly.

  - by DA

  Legend tags are always a nuisance as they don't adhere to a lot of CSS rules. I'm trying to get the text within a LEGEND tag to wrap using the typical solution of wrapping the text in the LEGEND with a span and setting the width and display: block. <legend> <span style="border: 1px solid blue; width: 250px; display: block"> This text should wrap if it gets longer than 250px in width </span> </legend> I thought this used to work In Firefox, but does not appear to work anymore in 3.6. Sample: http://jsbin.com/exeno/5 It still works in IE. Has anyone found a fix for this or is it just a matter of forgoing LEGEND tags and go back to H# tags?

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• SQlite: Column format for unix timestamp; Integer types

  - by SF.

  Original problem: What is the right column format for a unix timestamp? The net is full of confusion: some posts claim SQLite has no unsigned types - either whatsoever, or with exception of the 64bit int type (but there are (counter-)examples that invoke UNSIGNED INTEGER). The data types page mentions it only in a bigint example. It also claims there is a 6-byte integer but doesn't give a name for it. Of course standard INTEGER being 4-byte signed signed stores unix timestamps as negative numbers. I've heard that some systems return 64-bit timestamps too. OTOH I'm not too fond of wasting 4 bytes to store 1 extra bit (top bit of timestamp), and even if I have to pick a bigger data format, I'd rather go for the 6-byte one. I've even seen a post that claims SQLite unix timestamp is of type REAL... Complete problem: Could someone please clarify that mess?

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• Any way to remove IEs black border around submit button in active forms?

  - by Magnar

  I am implementing a design that uses custom styled submit-buttons. They are quite simply light grey buttons with a slightly darker outer border: input.button { background: #eee; border: 1px solid #ccc; } This looks just right in Firefox, Safari and Opera. The problem is with Internet Explorer, both 6 and 7. Since the form is the first one on the page, it's counted as the main form - and thus active from the get go. The first submit button in the active form receives a solid black border in IE, to mark it as the main action. If I turn off borders, then the black extra border in IE goes away too. I am looking for a way to keep my normal borders, but remove the outline.

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• faceBook Canvas APP not closing FB.Connect.showPermissionDialog

  - by Paresh

  My FB application is using the below code to generate the FB.Connect.showPermissionDialog box. <?php if($fb->api_client->users_hasAppPermission("publish_stream",$fb_user)==0) { ?> <script> FB.ensureInit(function(){ FB.Connect.showPermissionDialog("publish_stream", function() { },false,266167740665); }); </script> <?php } ?> The php if statement is for a check if the user has granted this permission previously or not. It is working fine and if the user hasn't granted permission before then FB.Connect.showPermissionDialog is displayed, which prompts for the permission. My problem is that on "Granting" or "Skipping" the permission by the user the dialog box doesn't go away. It resides over there and refreshes itself to open the facebook home page inside the box. It has to be forcefully closed by clicking on the X button. Am I doing any thing wrong?

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• Java Prepared Statement arguments!

  - by Epitaph

  I am planning to replace repeatedly executed Statement objects with PreparedStatement objects to improve performance. I am using arguments like the MySQL function now(), and string variables. Most of the PreparedStatement queries I have seen contained constant values (like 10, and strings like "New York") as arguments used for the "?" in the queries. How would I go about using functions like now(), and variables as arguments? Is it necessary to use the "?"s in the queries instead of actual values? I am quite confounded.

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• Effective thread Synchronization in C#

  - by n0vic3c0d3r

  I have a scenario where I need to search from many binary files (using keys) and combine the results (strings). Until now, I have been doing it in a for loop one file after the other. foreach (string file in FileSources.Keys) { aggregatedDefinitions.Append(DefinitionLookup(txtSearchWord.Text, file)); } Since this operation is very slow, I was thinking of using threads, so that I could do IO operations in parallel. Is threading the right way to go. If I use threading, how can I ensure that I get the results in the order I want. I haven't used Threading until now. It would be very helpful if you could suggest some materials/books that would help me solve my problem.

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• Using Qt to read and parse html files with QWebKit?

  - by Alberto Toglia

  I would like to read and parse certain elements of html files but I'm not interested in rendering it in any way. Basically I would like to go through all my div tags and get some of its style attributes. This is what I've done so far: QWebPage page; QWebFrame * frame = page.mainFrame(); QUrl fileUrl("localFile.html"); frame->setUrl(fileUrl); QWebElement document = frame->documentElement(); QWebElementCollection elements = document.findAll("div"); foreach (QWebElement element, elements){ std::cout << element.attribute("style").toStdString() << std::endl; } Doesn't show anything. I'm somewhat confused if I could use webkits this way. P.D.: I'm using a filechooser to pick the local html root.

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• Android Emulator starting in Flight-Mode

  - by Andhravaala

  Hi All, I have a small issue. I am running my application in emulator. For that it requires Network to simulate some traffic. But sometimes, on start-up my emulator is starting in Flight Mode. I am did not found any flags or settings to make it not to go to Flight-Mode. Can any one help me, if come across similar problem. Note: It is not a trivial issue, but it is making work difficult to start the emulator multiple times.

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• TFS and SVN code Merge

  - by Mohanavel

  We are a small team of 8. 3 are from other country and they are using the Source controller as TFS and TFS server is also located there and they have only 4 licence. So we (5 developers) are using SVN source controller as local source controller and for every 3 days we are taking the TFS latest and merging the changes from and to SVN & TFS. Really this is overkilling and hour consuming task. They don't want to change the TFS ( Not event add ins ). So what i can use to merge the code between two source controllers. Is it i can use SVN-Bridge to Merge the code without changing or modifying the TFS Server. Please guide me on this. (Worst case they might go for add ins, for sure no other source controllers than Microsoft Product) hhhmmmmmm, i'm sitting in front of monitor and hitting the F5 on this page, Please save my hours.

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• LaTeX beamer free-flowing two column?

  - by anon

  So in standard LaTeX, there is \twocolumn, where I can just type text, and it'll go down the left side of the page, then continue at the top of the right side of the page. Now, I know that inside of a Beamer frame, I can manually create two columns, of various width, with text in them -- however, is there a way to have the text freely flow from one column to the next? [I.e. I want to say "this text goes in these two columns; and have beamer figure out which goes into which column]. Thanks!

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• Preferred method to reload page with JavaScript?

  - by Mel

  Hey Guys, which way to reload a current page (using a button) would you prefer? <input type="button" value="Reload" onClick="history.go(0)"> <input type="button" value="Reload" onClick="location.reload(true)"> <input type="button" value="Reload" onClick="window.location.reload(true)"> <input type="button" value="Reload" onClick="window.location.href=window.location.href"> <input type="button" value="Reload" onClick="document.location.reload(true)"> <input type="button" value="Reload" onClick="document.location.href=document.location.href"> As the URL of the page changes frequently AFAIK a 'fallback function' like <a href="urlOfCurrentPage.html" onclick="window.location.reload(true);return false;">Reload</a> won't work for me, right?

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• SCSI Windows Setup on Dell Precision 670 Workstation...please help.

  - by sweetcoder

  Error Windows Setup: "setup did not find any hard disk drives installed in your computer" This is not exactly a programming question but I thought you guys might be able to help. I just received a Dell Precision 670 workstation. Windows is not recognizing the hard drive and I have experienced this before with other computers. I usually would just go in the bios and set the configuration to compatibility mode. I have no idea how to do this on this machine. There is this Adaptec SCSI HostRaid BIOS v4.30.4S5 screen on startup. It says to press CTRL A for SCSI select utility. It shows a Maxtor ATLAS10K5_73WLS for the drive. I was wondering if anyone out there knew how to configure this thing so that windows setup will recognize the hard drive? Any advice is very much appreciated and if you have to know further information please let me know. Raid was turned off in the BIOS for this device. TY

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• Extrange gray rectangle when debugging with monodevelop

  - by SCL

  when I debug with Monodevelop, in Linux Mint, most of the times I get a small gray rectangle on top of the screen. It stays there, on top of any other application even If I minimize monodevelop. It won't go away until I close it. If I click on it, the elements in the background receive the events. I get this problem in two different machines, both with Mint 13 and monodevelop 2.6 and 3. How can I get rid of it?

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• How to Force a Method Call on a Property or Method of an Object in PHP?

  - by Noah Goodrich

  In my View (using Zend_View so the the view is an object), I make calls to object properties and methods to populate the template like so: <?= $this->user->name ?> // Outputs John Doe <br/> <?= $this->user->getCompany()->name ?> // Outputs Acme <br/> <?= $this->method() ?> // Outputs foobar If I make it so that all property requests (like for 'user') go through __get() is there any way that I can catch the subsequent calls so that I can force a method call on the final outputted value? For example so that I could do automatic escaping of output. As I see it right now, I either have to escape the input as it goes into the database or use compiled templates like Smarty does, or switch to assigning every variable to the View object so that it has direct control to force escaping before outputting the data.

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• Passing paramenters on the stack

  - by oxinabox.ucc.asn.au

  When you pass parameters to a function on the cpu stack, You put the parameters on then JSR puts the return address on the stack. So than means in your function you must take the top item of the stack (the return address) before you can take the others off) eg is the following the correct way to go about it: ... |Let’s do some addition with a function, MOVE.L #4, -(SP) MOVE.L #5, -(SP) JSR add |the result of the addition (4+5) is in D0 (9) ... add: MOVE.L (SP)+, A1 |store the return address |in a register MOVE.L D0, -(SP) |get 1st parameter, put in D0 MOVE.L D2, -(SP) |get 2nd parameter, put in D0 ADD.L D2, D0 |add them, |storing the result in D0 MOVE.L A1, -(SP) |put the address back on the |Stack RTS |return

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• trying to decide between asp.net and jsp

  - by Amir

  Hey Guys, I am wondering if anyone can shed some lights on the situation. I am about to start a project and trying to figure out what solution is best to go with asp.net or java jsp pages I have personally worked alot with .net and am really happy with the framework and Visual studio as IDE I find it easy to work with and there is a massive community support behind .net, i can get alot done quickly I have not every written anything use java jsp, there will be a learning curve here , so my experience is limited here. however after seeing jira i am very impressed with its capabilities, it has changed alot since the old days ( java 1.2 ) that i used to work with, and the fact that it runs under linux is a huge plus, so i am trying to decide is the learning curve, worth the price ? so given the situation above what would you recommended? Thanks, Amir

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• JQuery Autocomplete - format listing and only return a part to the text box

  - by Jason

  I'm using the JQuery Autocomplete and it's working just fine. I'm using it to allow someone to search for users out of a database by searching on last name or id number. Right now the drop down list that is created is the resultes of a SQL query and looks something like: $row_rst['lName'] . ', ' . $row_rst['fName'] . " - " . $row_rst['user'] . "|" . $row_rst['id'] which outputs something like: Jones, Henry - hjones Gibbons, Peter - pgibbons When I pick Henry the text box gets Jones, Henry - hjones and the hidden field gets his id. I'd like to format the drop down in columns if possible and only return Jones, Henry to the text box if possible. Are either of those options possible? I'm thinking it has to do with either formatItem(row) or formatResult(row) but I'm not sure and I can't seem to find how to go about this.

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• c# windows forms link button to listview

  - by Richard

  Hi, I am using c# windows forms. I have multiple buttons linked to a listview which when a button is pressed, a new item is added to the listview. The column headers in the listview are 'Name' and 'Amount'. When a different button is pressed, a different item is added to the listview. The thing i need help with is as follows: When the same button is pressed twice, I want the amount to go from "1" to "2" on the second click. So the item name isnt duplicated but the amount is increase. The problem is I am using text to link the button to the linklist at the moment e.g. ("Coca Cola", "1") which adds the item name as coca cola and the amount as 1. I know it is something to do with integers so please help!! Thanks

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• Best and simple data structure

  - by anshu

  I am trying to create the below matrix in my vb.net so during processing I can get the match scores for the alphabets, for example: What is the match for A and N?, I will look into my inbuilt matrix and return -2 Similarly, What is the match for P and L?, I will look into my inbuilt matrix and return -3 Please suggest me how to go about it, I was trying to use nested dictionary like this: Dim myNestedDictionary As New Dictionary(Of String, Dictionary(Of String, Integer))() Dim lTempDict As New Dictionary(Of String, Integer) lTempDict.Add("A", 4) myNestedDictionary.Add("A", lTempDict) The other way could be is to read the Matrix from a text based file and then fill the two dimensional array. Thanks.

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• Silverlight WCF service acting strange

  - by Caleb Sandfort

  Hi I have a silverlight project that calls into a wcf service. Everything works fine on my local machine. However when I deploy to a virtual machine, with the exact same query the wcf service returns, but the result is empty. I've tried debugging, but have not been able to get it to break in the wcf service. Any ideas what the problem could be, or how I could go about debugging it? Thanks I figured out what the problem is, but am not sure what the solution is. In my silverlight project the wcf service I am referencing is http://localhost/.../SilverlightApiService.svc I used fiddler on my vm to see the request that was made and instead of trying to contact the above service, it was trying to contact: http:///.../SilverlightApiService.svc So, for some reason my machine name is getting inserted in there instead of localhost. Any thoughts on this would be appreciated.

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• Removing NSOperation from queue when view changes.

  - by Nithin

  I am creating an application which involves so many web-service calls. I am using NSOperation to execute the web-service calls. There are several views in the application and I'm calling the web-service each time the view loads. Since it is navigation, if user decides to go back to the previous view even before the operation gets completed, another operation is getting into the queue and will be waiting for the previous operation to be completed. Is there any way to stop the previous operation from being executed when its view changes? pls help

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