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  • Can't create a MySQL query that generates 4 rows for each row in the table it references.

    - by UkraineTrain
    I need to create a MySQL query that generates 4 rows for each row in the table it references. I need some of the information in those rows to repeat and some to be different. In the table each row stands for one day. I need to break the day up in 6 hour increments, hence the four rows for each entry. I need to create one column which for each day will have '12AM', '6AM', '12PM', and '6PM' values and another column will have the corresponding numeric values calculated for those entries. Thanks a lot in advance and I will really appreciate any help on this.

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  • How do i get access to the <html> element in javascript?

    - by kwyjibo
    IE displays a default scrollbar on the page, which appears even if the content is too short to require a scrollbar. The typical way to remove this scrollbar (if not needed), is to add this to your css: HTML { height: 100%; overflow: auto; } I'm trying to do the same thing in javascript (without requiring that in my CSS), but i can't seem to find a way to get access to the html element. I know i can access the body element with document.body, but that doesn't seem to be sufficient, i need the wrapping html element. Any tips?

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  • Server-side access to Client Browser's Latitude/Longitude using Django.

    - by ZenGyro
    Hello, So i am writing a little app that compares a user's position against a database on web-based server written using Django and performs some functions with it. Accessing the browser's geolocation data (in supported browsers ) is fairly trivial using JavaScript. But what is the best way to allow the Django server to access the longitude and latitude variables? Is it best to wrap them up as a JSON object and send to the server via POST? Or is there some easier (Geo)Django-based way to access the Navigator.geolocation browser object. Please forgive a newbie a question like this, but my Google-Fuing only seems to find ways to insert variables into JavaScript via template tag, whereas I need it to work the other way! Any advice or code snippets greatly appreciated. Feel free to talk to me like I am an idiot.

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  • Scala match/compare enumerations

    - by williamstw
    I have an enumeration that I want to use in pattern matches in an actor. I'm not getting what i'd expect and, now, I'm suspecting I'm missing something simple. My enumeration, object Ops extends Enumeration { val Create = Value("create") val Delete = Value("delete") } Then, I create an Ops from a String: val op = Ops.valueOf("create") Inside my match, I have: case (Ops.Create, ...) But Ops.Create doesn't seem to equal ops.valueOf("create") The former is just an atom 'create' and the later is Some(create) Hopefully, this is enough info for someone to tell me what I'm missing... Thanks

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  • How do I create a multiple-table check constraint?

    - by Zack Peterson
    Please imagine this small database... Diagram Tables Volunteer Event Shift EventVolunteer ========= ===== ===== ============== Id Id Id EventId Name Name EventId VolunteerId Email Location VolunteerId Phone Day Description Comment Description Start End Associations Volunteers may sign up for multiple events. Events may be staffed by multiple volunteers. An event may have multiple shifts. A shift belongs to only a single event. A shift may be staffed by only a single volunteer. A volunteer may staff multiple shifts. Check Constraints Can I create a check constraint to enforce that no shift is staffed by a volunteer that's not signed up for that shift's event? Can I create a check constraint to enforce that two overlapping shifts are never staffed by the same volunteer?

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  • I have three different websites and I want to create a single entry point for all of them but how?

    - by austin powers
    Hi all, We are creating three different websites using asp.net but for the user part we want to implement an approach so that each user only need to create an account in any of these three sites but use the same account in other websites too. here is what I've suggested : create a useracount.website.com server then put the sql server there and implement core user account library there such as (creating/editing/etc...) whenever a visitor needs to have an account or needs to login into out sites then we will redirect him to the useracount.website.com address and he/she should login from that point. and for the maintaining the user's states I've suggested to using cookies. and all of these scenarios should be implemented by asp.net and sql. please let me know with best approach cause I feel mine is not that good specially the cookie part. cheers.

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  • Ideas for using R to create a T-shirt design (for useR 2010) ?

    - by Tal Galili
    There is now a competition for creating a T-shirt design for useR2010. Someone proposed the idea to use R for creating the T-shirt image. Which leads me to my questions: What type of images do you think might be fitting for this? How would you suggest to use R to create the images ? Would anyone here want to have a go at it? (p.s: I understand this is not a pure "programming" question. Yet it involves R programming, the understanding of R aesthetics, and some caring for the R community. I also understand I am at the risk of annoying people here with this question, so in case that happens - I deeply apologies! My only justification is that I am acting in good faith and in the purpose of having nice things for R users to enjoy, while learning something in the process) Related thread I once opened: http://stackoverflow.com/questions/2162131/how-can-i-learn-to-create-beautiful-infographics-with-connection-to-my-r-knowled

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  • Dereferencing deleted pointers always result in an Access Violation ??

    - by m3rLinEz
    I have a very simple C++ code here: char *s = new char[100]; strcpy(s, "HELLO"); delete [] s; int n = strlen(s); If I run this code from Visual C++ 2008 by pressing F5 (Start Debugging,) this always result in crash (Access Violation.) However, starting this executable outside the IDE, or using the IDE's Ctrl+F5 (Start without Debugging) doesn't result in any crash. What could be the difference? I also want to know if it's possible to stably reproduce the Access Violation crash caused from accessing deleted area? Is this kind of crash rare in real-life?

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  • Python 3: Most efficient way to create a [func(i) for i in range(N)] list comprehension

    - by mejiwa
    Say I have a function func(i) that creates an object for an integer i, and N is some nonnegative integer. Then what's the fastest way to create a list (not a range) equal to this list mylist = [func(i) for i in range(N)] without resorting to advanced methods like creating a function in C? My main concern with the above list comprehension is that I'm not sure if python knows beforehand the length of range(N) to preallocate mylist, and therefore has to incrementally reallocate the list. Is that the case or is python clever enough to allocate mylist to length N first and then compute it's elements? If not, what's the best way to create mylist? Maybe this? mylist = [None]*N for i in range(N): mylist[i] = func(i)

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  • ASP ListView: How do I access the data that is databound to the rows?

    - by Robert
    I want to access the data that was databound to my list view when handling list view events such as: protected void List_ItemDataBound(object sender, ListViewItemEventArgs e) or protected void List_ItemCommand(object sender, ListViewCommandEventArgs e) Inside the events, I can not access the data via somthing like Eval("ID") Currently we are using a very hacky solution: string id = e.Item.FindControl("lblID").Text; Where lblID is a hidden control that is populated with data in the aspx file using: <asp:Label ID="lblID" runat="server" Text='<%# Eval("ID") %>' /> My eyes bleed when I look at this, Is there a better way?

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  • Django Problem - trying to access data entered into a form and feed it through a different page

    - by John Hoke
    OK, so let me give you an overview first. I have this site and in it there is a form section. When you access that section you can view or start a new project. Each project has 3-5 different forms. My problem is that I don't want viewers to have to go through all 3-5 pages to see the relevant information they need. Instead I want to give each project a main page where all the essential data entered into the forms is shown as non-editable data. I hope this makes sense. So I need to find a way to access all that data from the different forms for each project and to feed that data into the new page I'll be calling "Main". Each project will have a separate main page for itself. I'm pretty much clueless as to how I should do this, so any help at all would be appreciated. Thanks

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  • How to give anonymous access to site in IIS ?

    - by Lalit
    Hi, I want to give the anonymous access to my deployed site on IIS. i checked in Directory Security by right clicking on site in IIS there is checked the box Enable Anonymous access.also there is user IUSR_MySERVER is there. but still it is asking for user name & pwd. why. I don't want to ask any uname and pwd when site accessing. What to do? please help. I fact my application is, i am importing the Excel sheet from file location in my applicatiom. When i saying browse it run perfect . But when i say Import , it asking for the username and password. on Click of Import button I am reading Excelsheet in datatable by interop services. What should this problem should be?

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  • sql server 2008 express. cannot create mdf databse.

    - by yair
    Hi, I'm working with visual studio 2008 express and sql 2008 express. I'm trying to create mdf database (Add new Item ...)and I recieve the following error message: "a network-related or instance-specific error occured while establishing a connection to SQL Server. The server was not found or was not accessible. Verfy that instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named pipes Provider:40 - could not open connection to SQL)" Why ? Is it possible to create mdf database with SQL 2008 Express ? If it is then what to do ?

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  • Java SWING- Create a function to add elements to JScrollPanel ??? PLEASE

    - by battousai622
    I want to create a function so that i can call add JLables, ect inside the JScrollPanel. Im not sure what the command is in netbeans. I tried doing JScrollPanel - events - container - componentAdded to create the code below. But nothing shows up when i add code to that function. Any help would be great please! =] private void initComponents() { scrollPanel = new javax.swing.JScrollPane(); scrollPanel.addContainerListener(new java.awt.event.ContainerAdapter() { public void componentAdded(java.awt.event.ContainerEvent evt) { scrollPanelComponentAdded(evt); } } private void scrollPanelComponentAdded(java.awt.event.ContainerEvent evt) { System.out.println("main"); }

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  • How can I create or assign a method to temp (WindowAdapter)?

    - by Doug Hauf
    I want to create an instance of the WindowAdapter and put my method for windowClosing in it and then sent the temp into the f.addWindowListener(temp) can this be done. Java will not let me create an instance of WindowAdapter like below. WindowAdapter temp = new WindowAdapter(); <-- Does not compile How could this be done? Code: public static void main(String args[]) { setLookFeel(); JFrame f = new JFrame("Hello World Printer..."); WindowAdapter temp; f.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } }); JButton printButton = new JButton("Print Hello World"); printButton.addActionListener(new HelloWorldPrinter()); f.add("Center", printButton); f.pack(); f.setVisible(true); }

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  • Contents changed(cleared?) when access the pointer returned by std::string::c_str()

    - by justamask
    string conf()     {         vector v;         //..         v = func(); //this function returns a vector         return v[1];     }     void test()     {         const char* p = conf().c_str();         // the string object will be alive as a auto var         // so the pointer should be valid till the end of this function,right?           // ... lots of steps, but none of them would access the pointer p         // when access p here, SOMETIMES the contents would change ... Why?         // the platform is solaris 64 bit         // compiler is sun workshop 12         // my code is compiled as  ELF 32-bit MSB relocatable SPARC32PLUS Version 1, V8+ Required         // but need to link with some shared lib which are ELF 32-bit MSB dynamic lib SPARC Version 1, dynamically linked, stripped     }

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  • How to Create an Array from a Single Variable and Form Multiple Foreach Loops?

    - by matphoto
    I'm fairly proficient in HTML/CSS, but very new when it comes to the likes of PHP and Javascript. I've jumped headfirst into coding Wordpress shortcodes (basically php functions), and so far, through trial and error and seemingly endless browser refreshes, I've been able to figure everything out. I just hit a huge wall though, hence why I'm here. Basically, I'm trying to give an attribute a list of values like: attr="23, 95, 136, ect" The function then needs to take that attribute variable and create an array with it: $arr = array($attr); To me that seems as if it would work, but the array takes the whole list as one value instead. After doing that I want to create a foreach loop that parses each number from the list, possibly through yet another foreach loop if possible, and returns a section of code for each one, and I'm not quite sure how to pull that off either. Any feedback would be greatly appreciated.

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  • I am using vb 2008 . I am trying to create text boxes dynammically and remove them here isthe code i

    - by fari
    Private Sub setTextBox() Dim num As Integer Dim pos As Integer num = Len(word) temp = String.Copy(word) Dim intcount As Integer remove() GuessBox.Visible = True letters.Visible = True pos = 0 'To create the dynamic text box and add the controls For intcount = 0 To num - 1 Txtdynamic = New TextBox Txtdynamic.Width = 20 Txtdynamic.Visible = True Txtdynamic.MaxLength = 1 Txtdynamic.Location = New Point(pos + 5, 0) pos = pos + 30 'set the font size Txtdynamic.Font = New System.Drawing.Font("Verdana", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Txtdynamic.Name = "txtdynamic_" & intcount & "_mycntrl" Txtdynamic.Enabled = False Txtdynamic.Text = "" Panel1.Controls.Add(Txtdynamic) Next Panel1.Visible = True Controls.Add(Panel1) Controls.Add(GuessBox) Controls.Add(letters) letter = "" letters.Text = "" hang_lable.Text = "" tries = 0 End Sub`enter code here` Function remove() For Each ctrl In Panel1.Controls Panel1.Controls.Remove(ctrl) Next End Function I am able to create the textboxes but only a few of them are removed. by using For Each ctrl In Panel1.Controls it doesn't retrieve all the controls and some ae duplicated as well. Can anyone pls help me. Thanks

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  • Breaking change October: Status waiting when create custom audience with add user data file?

    - by THACH LN
    In my system, I create a custom audience - data file - mobile advertiser ids with 10k user. After I created it, I refreshed API link to get information about the audience which I've just created: https://graph.facebook.com/act_xxx/customaudiences?fields=id,account_id,name,lookalike_spec,retention_days,subtype,approximate_count,rule,delivery_status,operation_status,data_source,permission_for_actions&limit=500&access_token=xxx. (After breaking change in October 2014, status field not return. So I see operation_status) I see that: "operation_status": { "code": 410, "description": "No file has been uploaded for this audience, or the previous upload has failed due to system error. Please try uploading the file again." } But after about 10s, I refresh again, and operation_status change to: "operation_status": { "code": 200, "description": "Normal" } My quetions is: how to check this audience's status is waiting ( uploading file) , like when I create on facebook not my our system. Thanks for all anwser.

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