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  • Android setContentView operation

    - by stormin986
    I've read that it's important to call setContentView() early in an activity since it builds the view objects that may be manipulated by subsequent code in onCreate(). In terms of lifecycle, does the view get drawn to screen as soon as setContentView() is called, or does it allow the onCreate() function to build/populate the information in the view objects, and wait to actually draw it after onCreate() completes? Thanks!

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  • gauge chart is not displaying any thing

    - by Sandy
    i am trying to display the latest speed in mysql database on guage chart. i have tried so many things but gauge is not display plz any can help me...my code is attached and php part shows the correct value but dont know why guage is not display <?php $host="localhost"; // Host name $username="root"; // Mysql username $password=""; // Mysql password $db_name="mysql"; // Database name $tbl_name="gpsdb"; // Table name // Connect to server and select database. $con=mysql_connect("$host", "$username")or die("cannot connect"); mysql_select_db("$db_name")or die("cannot select DB"); $data = mysql_query("SELECT speed FROM gpsdb WHERE DeviceId=1234 ORDER BY TIME DESC LIMIT 1") or die(mysql_error()); while ($nt = mysql_fetch_assoc($data)) { $speed = $nt['speed']; $jsonTable = json_encode($speed); echo $jsonTable; } ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"/> <title> Google Visualization API Sample </title> <script type="text/javascript" src="//www.google.com/jsapi"></script> <script type="text/javascript"> google.load('visualization', '1', {packages: ['gauge']}); </script> <script type="text/javascript"> function drawVisualization() { // Create and populate the data table. var data = new google.visualization.DataTable(<?=$speed?>); // Create and draw the visualization. new google.visualization.Gauge(document.getElementById('visualization')). draw(data); } google.setOnLoadCallback(drawVisualization); </script> </head> <body style="font-family: Arial;border: 0 none;"> <div id="visualization" style="width: 600px; height: 300px;"></div> </body> </html>

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  • Encapsulating a Windows.Forms.Button

    - by devoured elysium
    I want to define a special kind of button that only allows two possible labels: "ON" and "OFF". I decided to inherit from a Windows.Forms.Button to implement this but now I don't know I how should enforce this rule. Should I just override the Text property like this? public override string Text { set { throw new InvalidOperationException("Invalid operation on StartStopButton!"); } } The problem I see with this is that I am breaking the contract that all buttons should have. If any code tries something like foreach (Button button in myForm) { button.Text = "123"; } they will get an Exception if I have any of my special buttons on the form, which is something that isn't expectable. First, because people think of properties just as "public" variables, not methods, second, because they are used to using and setting whatever they want to buttons without having to worry with Exceptions. Should I instead just make the set property do nothing? That could also lead to awkward results: myButton.Text = "abc"; MessageBox.Show(abc); //not "abc"! The general idea from the OO world is to in this kind of cases use Composition instead of inheritance. public class MySpecialButton : <Some class from System.Windows.Forms that already knows how to draw itself on forms> private Button button = new Button(); //I'd just draw this button on this class //and I'd then only show the fields I consider //relevant to the outside world. ... } But to make the Button "live" on a form it must inherit from some special class. I've looked on Control, but it seems to already have the Text property defined. I guess the ideal situation would be to inherit from some kind of class that wouldn't even have the Text property defined, but that'd have position, size, etc properties available. Upper in the hierarchy, after Control, we have Component, but that looks like a really raw class. Any clue about how to achieve this? I know this was a long post :( Thanks

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  • Is there a way I can overlay graphics on top of all windows using C#?

    - by Secrest
    I want to create a C# app which rests in the system tray. However, I would like this application to overlay certain graphic elements / drawing on top of the screen above all windows at certain times. So, for example, while my application is running, even though minimized to the tray, it will draw certain shapes on top of the screen regardless of what is there. Is this possible using C#? If not, is there any other language that would have this capability?

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  • How to take a layer's snapshot with mask layer?

    - by OpenThread
    I added a mask to UIView's layer: CGImageRef maskImageRef = [UIImage imageNamed:"Icon.png"].CGImage; CALayer maskLayer = [CALayer layer]; maskLayer.contents = (__bridge id)maskImageRef; self.layer.mask = maskLayer; Then I use this code to get snapshot from a UIView: [self.layer renderInContext:mainViewContentContext]; But the mask wasn't drawn. How to draw self.layer with mask? Special thx!

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  • KineticJS issue with repeatable mouse event

    - by nuclearpeace
    I have noob issue here (i obviously missing something). I simplified it from my bigger application: When i click blue rectangle, i add another layer to the stage that includes red rectangle (clickable), when i clik this red rectangle it removes second layer with red rect. Problem: When i click blue rect second time, nothing happens :( i.e. app works only once, and i need to add/remove second layer(with red rect) repeatedly. What's wrong? :) You can see it here, Fiddle http://jsfiddle.net/mAX8r/ Code: <!DOCTYPE HTML> <html> <head> <style> body { margin: 0px; padding: 0px; } canvas { border: 1px solid #9C9898; } </style> <script src="http://www.html5canvastutorials.com/libraries/kinetic-v4.0.3.js"> </script> <script> window.onload = function() { var stage = new Kinetic.Stage({ container: 'container', width: 578, height: 200 }); var layerBlue = new Kinetic.Layer(); var layerRed = new Kinetic.Layer(); var rectBlue = new Kinetic.Rect({ x: 100, y: 75, width: 100, height: 50, fill: 'blue', stroke: 'black', strokeWidth: 4 }); var rectRed = new Kinetic.Rect({ x: 300, y: 75, width: 100, height: 50, fill: 'red', stroke: 'black', strokeWidth: 4 }); // mouse events rectBlue.on('click', function() { stage.add(layerRed); stage.draw(); }); rectRed.on('click', function() { layerRed.remove(); stage.draw(); }); // add the shape to the layer layerBlue.add(rectBlue); layerRed.add(rectRed); // add the layer to the stage stage.add(layerBlue); }; </script> </head> <body> <div id="container"></div> </body> </html>

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  • Usercontrol and Border Style

    - by Ram
    Hi, I have created a user control ( custom data grid view control). I have used the code specified at MSDN [site][1] [1]: http://support.microsoft.com/kb/316574 to set the border style . I am able to see the selected border style in designer. Like None, FixedSingle or Fixed3D. But when I set the border style to FixedSingle, the border does not appear at runtime. Do I need to draw it manually in the OnPaint method?

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  • Write a JavaScript that accepts a number from the user using the “prompt” function

    - by A sw A
    Write a JavaScript that accepts a number from the user using the “prompt” function. Then it draws a table in the HTML document that has the user specified number of rows and columns. In each table data, it displays the result of the math operation (row raised to the power of column). For example, if the user enters the number 3, the JavaScript should draw the following table: 1 1 1 2 4 8 3 9 27

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  • Make openGL lines connected

    - by user146780
    Right now I'v created a polygon, then I do the same thing but with line_loop to draw the outline. My issue right now is if I set the line thickness to high, the lines arn't connected. Their ends would need to be (linewidth) longer... is there a way to fix this? Thanks

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  • Firewall predefined rule property cannot be modified

    - by Sami-L
    Using a stand alone Windows Server 2012 Standard edition (no Active Directory), I Tried to establish a simple remote desktop with a custom port number, but could not modify the port number in the Firewall inbound rule, when I open the inbound property I get the next message: "This is a predefined rule and some of its properties cannot be modified" I have tried to set it up like this: New rule - predifined drop down list - Remote Desktop - check mark rules - Allow the connection. but still get "This is a predefined rule and some of its properties cannot be modified" Thank you in advance.

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  • Disable integrated client certificate validation in IIS7?

    - by danford
    We have an IIS 7 hosted site that requires client certificates (two-way ssl). Unfortunately, I don't have access to the trusted certificate store on the host machines, and so I was forced to write a custom http module to verify the certificates. My module never gets a chance to do the authentication, however, because IIS doesn't recognize the certificates and responds with a 403.7 error. How do I turn off client certificate validation, while still requiring clients to provide them?

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  • Informix "Database locale information mismatch"

    - by lmmortal
    I have informix 11.5 running in my Win-2003 box and few databases running in it. System databases have locale en_us.819 My custom databases have locale en_us.57372 (UTF8). There is also application deployed to JBoss 4.0.2 which has few datasources configured for those custom databases. <local-tx-datasource> <jndi-name>InformixDS</jndi-name> <connection-url>jdbc:informix-sqli://@database.server@:@database.port@/tcs_catalog:[email protected]@</connection-url> <driver-class>com.informix.jdbc.IfxDriver</driver-class> <user-name>@database.username@</user-name> <password>@database.password@</password> <new-connection-sql>set lock mode to wait 5</new-connection-sql> <check-valid-connection-sql>select '1' from dual</check-valid-connection-sql> <metadata> <type-mapping>InformixDB</type-mapping> </metadata> I'm logged in as Administrator and when I start JBoss the following error is shown Caused by: java.sql.SQLException: Database locale information mismatch. at com.informix.util.IfxErrMsg.getSQLException(IfxErrMsg.java:373) at com.informix.jdbc.IfxSqli.a(IfxSqli.java:3208) at com.informix.jdbc.IfxSqli.E(IfxSqli.java:3518) at com.informix.jdbc.IfxSqli.dispatchMsg(IfxSqli.java:2353) at com.informix.jdbc.IfxSqli.receiveMessage(IfxSqli.java:2269) at com.informix.jdbc.IfxSqli.executeOpenDatabase(IfxSqli.java:1786) at com.informix.jdbc.IfxSqliConnect.<init>(IfxSqliConnect.java:1327) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:501) at com.informix.jdbc.IfxDriver.connect(IfxDriver.java:254) at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:151) ... 160 more Caused by: java.sql.SQLException at com.informix.util.IfxErrMsg.getSQLException(IfxErrMsg.java:373) at com.informix.jdbc.IfxSqli.E(IfxSqli.java:3523) ... 170 more DB_LOCALE and CLIENT_LOCALE are set to en_us.utf8 for Administrator. When I set in Server Studio DB_LOCALE and CLIENT_LOCALE to en_us.utf8 I can connect my databases. Where should I set DB_LOCALE and CLIENT_LOCALE to avoid this Database locale information mismatch error? Thanks.

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  • Delete until previous punctuation mark in Bash

    - by hekevintran
    In Bash, Ctrl + W will erase the last word. Bash considers words to be delimited by spaces. This means that if the cursor is at the end of the string "cd /dir1/dir2/dir3" and you hit Ctrl + W you will be left with "cd ". Is there a Bash shortcut (custom defined is okay) that will leave me with "cd /dir1/dir2/"?

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  • Windows Server 2008 Send Error Message on Event Log Error

    - by erich
    We currently have a Windows Server 2008 machine that we have configured with a Custom Task to send an email whenever an error occurs in a certain Event Log. The trigger works perfectly, and sends emails whenever we need them to. HOWEVER, we cannot find a way to get the email to contain information about the error, particularly the error message. Is there any way to have the message change based on the contents of the event-log error?

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  • Backup Exec 11D and Thecus N5200 Pro

    - by JohnyD
    I have a Thecus N5200 Pro integrated into my Windows 2003 AD network. My current backup solution involves Backup Exec 11D but this requires a running service for windows boxes or a similar daemon for linux machines. The N5200 runs a custom linux kernel but as of yet I am unable to add it to my backups through Backup Exec. Does anyone know of a method of backing up directly from the N5200 to Backup Exec without moving the data to an intermediary for archiving?

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  • SGE - limit a user to a certain host, using resource quota configuration

    - by pufferfish
    Is it possible to limit a user to a particular host, using the Resource Quota Configuration option in qmon for Sun Grid Engine? I'm thinking of a line to the effect of: { ... limit users {john} to hostname=compute-1-1.local } The documentation mentions built in resource types: slots, arch, mem_total, num_proc, swap_total, and the ability to make custom types. Details: SGE 6.1u5 on Rocks update: The above rule seems to be valid, since using an unknown hostname mangling the resource name 'hostname' both cause errors

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