Tutorial by Examples: re

In Gloss, one can use the display function to create very simple static graphics. To use this one needs to first import Graphics.Gloss. Then in the code there should the following: main :: IO () main = display window background drawing window is of type Display which can be constructed in two ...

Render a white rectangle over an image with the composite operation ctx.globalCompositeOperation = 'difference'; The amount of the effect can be controled with the alpha setting // Render the image ctx.globalCompositeOperation='source-atop'; ctx.drawImage(image, 0, 0); // set the composite...

Increase the saturation level of an image with ctx.globalCompositeOperation = 'saturation'; The amount of the effect can be controled with the alpha setting or the amount of saturation in the fill overlay // Render the image ctx.globalCompositeOperation='source-atop'; ctx.drawImage(image, 0, ...

Simple pull When you are working on a remote repository (say, GitHub) with someone else, you will at some point want to share your changes with them. Once they have pushed their changes to a remote repository, you can retrieve those changes by pulling from this repository. git pull Will do it, ...

Detailed instructions on getting wordpress-theming set up or installed. Wordpress is opensource.You can find large set of theme for use free or premium themes.All theme are provide a documentation for install and use. What you have to understand while choose a theme? Wordpress version you are ...

In order to prevent a button from firing multiple times within a short period of time (let's say 2 clicks within 1 second, which may cause serious problems if the flow is not controlled), one can implement a custom SingleClickListener. This ClickListener sets a specific time interval as threshold (...

GRANT SELECT, UPDATE ON Employees TO User1, User2; Grant User1 and User2 permission to perform SELECT and UPDATE operations on table Employees. REVOKE SELECT, UPDATE ON Employees FROM User1, User2; Revoke from User1 and User2 the permission to perform SELECT and UPDATE operations on tab...

PrepareForSegue: func prepareForSegue(_ segue:UIStoryboardSegue, sender sender:AnyObject?) Notifies the view controller that a segue is about to be performed Parameters segue: The segue object. sender: The object that initialized the segue. Example in Swift Perform a task if the ident...

If the administrator creates your database for you when setting up your permissions, you can begin using it. Otherwise, you need to create it yourself: mysql> CREATE DATABASE menagerie; Under Unix, database names are case sensitive (unlike SQL keywords), so you must always refer to your datab...

To install DevExpress .NET products on your development machine, it is first necessary to obtain the DevExpress .NET Products Installer. You can download it from the http://www.devexpress.com website in one of the following ways, based on the status of your current account. Download the Trial ...

You can use the heroku create command to create a Heroku application. Each application you deploy to Heroku has its own code base, environment variables, addons, etc. Each Heroku application has a globally unique name. If you try to create a Heroku application whose name is already taken, you will ...

This example demonstrates usage of POSIX record locks (a.k.a. process-associated locks), provided by fcntl function (POSIX base standard). Notes: Exclusive and shared locks are supported. Can be applied to a byte range, optionally automatically expanding when data is appended in future (control...

Components and Props As React concerns itself only with an application's view, the bulk of development in React will be the creation of components. A component represents a portion of the view of your application. "Props" are simply the attributes used on a JSX node (e.g. <SomeComponen...

https://godzillai5.wordpress.com/2016/08/20/db2-for-i-in-the-cloud-connecting-to-pub400-via-jdbc-in-netbeans/

https://godzillai5.wordpress.com/2016/08/21/jdbc-jt400-setting-to-get-crud-and-show-sql-features-added-in-netbeans-with-ibm-db2-for-i/

#include <string.h> #include <stdio.h> #include <stdlib.h> #include <sys/types.h> #include <unistd.h> #include <dirent.h> #include <ctype.h> int main(int argc, char **argv) { const char *dname = (argc > 1 ? argv[1] : "."); DI...

#define _XOPEN_SOURCE 500 #include <stdlib.h> /* for exit() */ #include <stdio.h> /* for remove() */ #include <ftw.h> /* for nftw() */ int unlink_cb( const char *fpath, const struct stat *sb, int typeflag, struct FTW *ftwbuf) { return remove(fpath); } in...

TextViewPlus.java: public class TextViewPlus extends TextView { private static final String TAG = "TextView"; public TextViewPlus(Context context) { super(context); } public TextViewPlus(Context context, AttributeSet attrs) { super(context, attrs)...

CustomProgressBarActivity.java: public class CustomProgressBarActivity extends AppCompatActivity { private TextView txtProgress; private ProgressBar progressBar; private int pStatus = 0; private Handler handler = new Handler(); @Override protected void onCreate(Bun...

Get Compressed Bitmap from Singleton class: ImageView imageView = (ImageView)findViewById(R.id.imageView); Bitmap bitmap = ImageUtils.getInstant().getCompressedBitmap("Your_Image_Path_Here"); imageView.setImageBitmap(bitmap); ImageUtils.java: public class ImageUtils { public ...