Tutorial by Examples: me

Save a method call in a variable

In Controller: $this->load->model('your_model'); $data['model'] = $this->your_model; In view: $model->your_method;

Configure facelets.SKIP_COMMENTS

You must to add to web.xml a configuration tag like this: <context-param> <param-name>facelets.SKIP_COMMENTS</param-name> <param-value>true</param-value> </context-param> Now you can use normal HTML comments tag <!-- and --> <!-- <...

Move all files not already in a directory into a self named directory

ll | grep ^- | awk -F"." '{print $2 "." $3}' | awk -F":" '{print $2}' | awk '{$1=""; print $0}' | cut -c2- | awk -F"." '{print "mkdir ""$1"";mv ""$1"."$2"" ""$1"""}' >...

Manual Memory Management

When interfacing with C APIs, one might want to back off Swift reference counter. Doing so is achieved with unmanaged objects. If you need to supply a type-punned pointer to a C function, use toOpaque method of the Unmanaged structure to obtain a raw pointer, and fromOpaque to recover the original ...

Custom completion block for Custom Methods

1- Define Your own custom Block typedef void(^myCustomCompletion)(BOOL); 2- Create custom method which takes your custom completion block as a parameter. -(void) customMethodName:(myCustomCompletion) compblock{ //do stuff // check if completion block exist; if we do not check it will ...
iOS • Block

Create frame

A Frame is created like any other controls: <Frame x:Name="contentRoot" Navigated="OnNavigated" Navigating="OnNavigating" /> The navigated/navigating events can then be intercepted to cancel the navigation or show/hide the back button. private...

COMMENT on Table

COMMENT ON TABLE table_name IS 'this is student details table';

Remove Comment

COMMENT on TABLE student IS NULL; Comment will be removed with above statement execution.

Sending multi-dimensional data and multiple files with CurlFile in one request

Let's say we have a form like the one below. We want to send the data to our webserver via AJAX and from there to a script running on an external server. So we have normal inputs, a multi-select field and a file dropzone where we can upload multiple files. Assuming the AJAX POST request was succ...

JSP out implicit object - simply displaying date and time.

<html> <body> <% out.print("Today is:"+java.util.Calendar.getInstance().getTime()); %> </body> </html>

Configure DNS servers for domain name resolution

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...

Test Computer Memory

If your crashes are random or sporadic, then do this step. If your crashes occur every single time you run the database, then this step won't fix the issue (although bad memory may be the reason why the corruption occurred in the first place). Use a memory tester that boots outside the operating sy...

How to declare class method and instance method.

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...

Text alignment and word wrap

//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...

Simple Message with in Bootstrap Modal

Code below will show you bootstrap model without writing hole long code by generating bootstrap model at run time. It will also make creating multiple bootstrap model i.e. one on other easy. Follow below simple code to make simple bootstrap model. Include below CSS to your code <link rel=&quot...

Bootstrap Dialog with Title and Message Only

Include below CSS to your code <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap3-dialog/1.34.7/css/bootstrap-dialog.min.css&...

Using ASPNETCORE_ENVIRONMENT from web.config

If you do not want to use ASPNETCORE_ENVIRONMENT from environment variables and use it from web.config of your application then modify web.config like this- <aspNetCore processPath=".\WebApplication.exe" arguments="" stdoutLogEnabled="false" stdoutLogFile=".\lo...

isometric character animating + movement

① the concepts used in this Example : ClassUsageURLRequest + Loader + EventLoading atlas map (sprite) from external path.BitmapData + Sprite + beginBitmapFill +Matrix + stageWidth & stageHeightdrawing loaded resources to bitmapdata, using tiled bitmaps, drawing with transformation.MovieClip + s...

Show a div from same page as message

This a sample code which will show you how you can create dynamic code which will generate a bootstrap model at run time. This also includes deciding modal title body content and buttons in footer. HTML code <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css&...

Sending Downstream Messages via cURL

You can test sending messages using the FCM REST API by sending a request through cURL. curl --header "Authorization: key=<API_KEY>" \ --header Content-Type:"application/json" \ https://fcm.googleapis.com/fcm/send \ -d "{\"registration_ids...

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