Tutorial by Examples: d

File: /etc/resolv.conf contains a list of DNS servers for domain name resolution Sample contents of the file: nameserver 8.8.8.8 # IP address of the primary name server nameserver 8.8.4.4 # IP address of the secondary name server In case internal DNS server you can validate if this server reso...
IMPORTANT This is just an example code, do not use in production. In order to download an header chain we have to send a getHeaders message. In this example we will require as much as possible headers after the 40000th one.The peer will respond with batch of 2000 headers so, we have to take the la...
This should always be your initial fix. A good policy is to decompile the database before each release. Create a decompile shortcut. This loads the database with a "/decompile" switch. Right Click your Database File. Select Copy Right Click in the explorer window and select &quot...
Sometimes the crashes occur constantly in a single form or report, or occur only when printing. It is possible that the binary data within the form / report has become corrupt. Save the Form / Report object as text There are two undocumented functions. Application.SaveAsText and Application.Load...
If you have images or other data stored in Access itself as OLE Objects, then you should find a better approach. When the OLE data is stored, it is stored according to the software (and version of software) on the computer storing it. When another computer goes to display that OLE Object data on the...
This is a lot of work, so do this as a last resort after exhausting all other options. You only need to do this if the problem is occurring for different users, on different machines. If it isn't occurring for all users, then most likely it is not a corrupt database container. Similar to the steps...
import pyglet window = pyglet.window.Window() label = pyglet.text.Label('Hello, world', font_name='Times New Roman', font_size=36, x=window.width//2, y=window.height//2, anchor_x='center', anchor_y='center'...
Manipulate the IP routing table using route Display routing table $ route # Displays list or routes and also resolves host names $ route -n # Displays list of routes without resolving host names for faster results Add/Delete route OptionDescriptionadd or delAdd or delete a route-host x.x.x.xA...
Appearance: "Paamayim Nekudotayim" means "double colon" in Hebrew; thus this error refers to the inappropriate use of the double colon operator (::). The error is typically caused by an attempt to call a static method that is, in fact, not static. Possible Solution: $classname...
Detailed instructions on getting amazon-cloudformation set up or installed. Amazon cloud formation templates can be launched in three ways. AWS Console. AWS CLI. AWS SDK available in Java, Ruby etc.. AWS CLI is one of the most intuitive CLI available. The commands are simple to ...
sound = pyglet.media.load(sound.wav) sound.play()
function doGet(e){ var serveFile = e.parameter.servefile; var id = e.parameter.id; if(serveFile) { return downloadFile(id); // and Hyde } return HtmlService.createHtmlOutputFromFile('form.html'); // Jekyll } function fetchFromGoogleDrive() { // Jekyll va...
You can create new commands via php artisan make:command [commandName] So this will create [commandName] command class inside app/Console/Commands directory. inside this class you will find protected $signature and protected $description variables, it represents name and discription of your comma...
#Add the ActiveDirectory Module to current PowerShell Session Import-Module ActiveDirectory
instance methods use an instance of a class. @interface MyTestClass : NSObject - (void)testInstanceMethod; @end They could then be used like so: MyTestClass *object = [[MyTestClass alloc] init]; [object testInstanceMethod]; Class method can be used with just the class name. @inte...
This is a sample Fastfile setup for a multi-flavor app. It gives you an option to build and deploy all flavors or a single flavor. After the deployment, it reports to Slack the status of the deployment, and sends a notification to testers in Beta by Crashlytics testers group. To build and deploy al...
//fill column A with solid red color from hex worksheet.Column(1).Style.Fill.PatternType = ExcelFillStyle.Solid; worksheet.Column(1).Style.Fill.BackgroundColor.SetColor(ColorTranslator.FromHtml("#FF0000")); //fill row 4 with striped orange background worksheet.Row(4).Style.Fill.Patte...
//make the borders of cell F6 thick worksheet.Cells[6, 6].Style.Border.Top.Style = ExcelBorderStyle.Thick; worksheet.Cells[6, 6].Style.Border.Right.Style = ExcelBorderStyle.Thick; worksheet.Cells[6, 6].Style.Border.Bottom.Style = ExcelBorderStyle.Thick; worksheet.Cells[6, 6].Style.Border.Left.St...
//make column H wider and set the text align to the top and right worksheet.Column(8).Width = 25; worksheet.Column(8).Style.HorizontalAlignment = ExcelHorizontalAlignment.Right; worksheet.Column(8).Style.VerticalAlignment = ExcelVerticalAlignment.Top; //wrap text in the cells worksheet.Column...
//get the image from disk using (System.Drawing.Image image = System.Drawing.Image.FromFile(HttpContext.Current.Server.MapPath("logo.jpg"))) { var excelImage = worksheet.Drawings.AddPicture("My Logo", image); //add the image to row 20, column E excelImage.SetPo...

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