Low - density parity check (LDPC) code is a linear error-correcting block code, suitable for error correction in large block sizes transmitted via very noisy channels.LDPC was developed by Robert G. Gallager, in his doctoral dissertation at the Massachusetts Institute of Technology in 1960. So, these codes are also known ... Read More

The StringBuffer append() method appends the String representation of the particular argument to the sequence. It is a method of the java.lang.StringBuffer class. This method returns a reference to the object.The basic syntax for append() method is as follows −public StringBuffer append(data_type variable_name)A program to illustrate the use of append() ... Read More

The setLength(int newLength) method is used to change the length of the StringBuffer Object. It sets the length of the character sequence. The character sequence is updated to a new one whose length is determined by the value passed as the parameter in the method. The newLength should be greater ... Read More

In order to change a single character in a StringBuffer object in Java, we use the setCharAt() method. The setCharAt() method sets the character at the index specified as a parameter to another character whose value is passed parameter of the setCharAt() method. The method sets a new character sequence ... Read More

You can add a temporary column with value with the help of the following syntax −select yourColumnName1, yourColumnName2, .....N ,yourTemporaryColumnValue as yourTemporaryColumnName from yourTableName;To add a temporary column with a value, let us create a table. The following is the query −mysql> create table TemporaryColumnWithValueDemo    −> (     ... Read More

To listen to KeyDown events, use −if(keyIsPressed && keycode == somenumber) {    doSomething(); }To capture KeyDown −var canvas1 = layer.getCanvas()._canvas; $(canvas1).attr('tabindex', 1); canvas1.focus(); $(canvas1).keydown(function (event) {    console.log(event); });

To display HTML5 geolocation accuracy on a Google Map, use the following code −var lat = position.coords.latitude; var longitude = position.coords.longitude; var accuracy = position.coords.accuracy; var center = new google.maps.LatLng(lat, longitude); var a = new google.maps.Marker({    position: center    map:    icon: }); var mySphere = new ... Read More

The tag was used to set the font in HTML, but it is now deprecated. Use CSS for the same purpose.ExampleYou can try to run the following code to change the font of text in HTML −           Tutorialspoint       Learning videos       Learning content    

Use the dir attribute in HTML, to add the direction of the text.ExampleYou can try to run the following code to include the direction of text display in HTML −           This is demo text from left-to-right.       This is demo text from right-to-left.    

Use the grid-template-columns property to define the number of columns in CSS Grid Layout.You can try to run the following code to set a number of columns. Here, 3 column grid is set:ExampleLive Demo                    .container {       ... Read More