Tutorial by Examples: l

The grid layout is a powerful layout with which you can do an horizontal and vertical layout a once. example: #include "mainwindow.h" #include <QApplication> #include <QMainWindow> #include <QWidget> #include <QVBoxLayout> #include <QPushButton> #inc...

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To set up a simple hibernate project using XML for the configurations you need 3 files, hibernate.cfg.xml, a POJO for each entity, and a EntityName.hbm.xml for each entity. Here is an example of each using MySQL: hibernate.cfg.xml <?xml version="1.0" encoding="utf-8"?> &...

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This is an example of how you would do a one to many mapping using XML. We will use Author and Book as our example and assume an author may have written many books, but each book will only have one author. Author class: public class Author { private int id; private String firstName; ...

To access the Open Resource dialog use Ctrl + Shift + R. From here you can start typing a resource name and it will find all matches in the workspace, this makes it easier to find a file when you don't know exactly were it is.

If you want System.out.println(); but don't want to type the whole thing out you can just type syso and hit Ctrl + Spacebar. It will type the rest and set the cursor between the parenthesis.

hql = "From EntityName";

hql = "Select id, name From Employee";

hql = "From Employee where id = 22";

You can include HTML comments in JSPs as well. You use the basic html comment syntax: <!--Comment goes here--> The difference between using JSP style comments and HTML style comments is the JSP ones will not be included when the HTML is generated and the HTML style comments will be. So it ...

QtCreator is, at the moment, the best tool to create a Qt application. In this example, we will see how to create a simple Qt application which manage a button and write text. To create a new application click on File->New File or Project: Then choose the Projects->Application->Qt Widge...

As this is an audio, we don't need a QVideoWidget. So we can do: _player = new QMediaPlayer(this); QUrl file = QUrl::fromLocalFile(QFileDialog::getOpenFileName(this, tr("Open Music"), "", tr(""))); if (file.url() == "") return ; _player->setMedia(f...

$> perl -MFoo::Bar\ 9999 $> Foo::Bar version 9999 required--this is only version 1.1.

If condition Then code to execute if true ElseIf condition Then code Else code to execute if conditions are both false End If

For I as Integer = 1 To 10 Step 1 code to execute Next Step is optional and Step 1 is the default. Step tells it how to count, so -1 would have it subtract 1 each time and Step 5 would have it add 5 each time thru the loop. In case the loop need to be stopped, then the Exit For statement c...

In this example you will be modifying the Marital Status drop-down list found on the Contacts form (CR302000): To add new items to the PXStringListAttribute successor The best way to extend drop-down items hard-coded inside an attribute inherited from the PXStringList or PXIntList attribute is b...

Go will throw an error when there is a variable that is unused, in order to encourage you to write better code. However, there are some situations when you really don't need to use a value stored in a variable. In those cases, you use a "blank identifier" _ to assign and discard the assign...

expdp <bkpadmin>/<bkp123> directory=DATAPUMP_REMOTE_DIR dumpfile=<customer.dmp> impdp <bkpadmin>/<bkp123> directory=DATAPUMP_REMOTE_DIR dumpfile=<customer.dmp> remap_schema=<source schema>:<target schema> remap_tablespace=<source tablespace&g...