Default argument expressions for a member function can only depend on things that are in class or global scope. The default argument also has to be specified in the method’s declaration (i.e. in the header file). To get around this, you need 2 overloads of your MoveTo method. One that takes 1 argument, and another … Read more
I would propose changing the function declaration as follows so you can do what you want: function foo($blah, $x = null, $y = null) { if (null === $x) { $x = “some value”; } if (null === $y) { $y = “some other value”; } code here! } This way, you can make a … Read more
This is not specific to JSF. This is specific to HTML. The HTML5 forms specification section 4.10.22.2 basically specifies that the first occuring <input type=”submit”> element in the “tree order” in same <form> as the current input element in the HTML DOM tree will be invoked on enter press. There are basically two workarounds: Use … Read more
Switch cases should almost always have a default case. Reasons to use a default 1.To ‘catch’ an unexpected value switch(type) { case 1: //something case 2: //something else default: // unknown type! based on the language, // there should probably be some error-handling // here, maybe an exception } 2. To handle ‘default’ actions, where … Read more
The question is misguided. When creating a model field in Django, you are not defining a function, so function default values are irrelevant: from datetime import datetime, timedelta class MyModel(models.Model): # default to 1 day from now my_date = models.DateTimeField(default=datetime.now() + timedelta(days=1)) This last line is not defining a function; it is invoking a function … Read more
Stop MySQL using the following command: sudo /etc/init.d/mysql stop Copy the existing data directory (default located in /var/lib/mysql) using the following command: sudo cp -R -p /var/lib/mysql /newpath edit the MySQL configuration file with the following command: sudo gedit /etc/mysql/my.cnf # or perhaps /etc/mysql/mysql.conf.d/mysqld.cnf Look for the entry for datadir, and change the path (which … Read more
Not tabular, but the source CSS may be helpful if you’re looking for something specific: Firefox default HTML stylesheet WebKit default HTML stylesheet You’re on your own with IE and Opera though.
Windows Sublime Text 2 (Build 2181) The latest Build 2181 just added support for the -w (wait) command line argument. The following configuration will allow ST2 to work as your default git editor on Windows. This will allow git to open ST2 for commit messages and such. git config –global core.editor “‘c:/program files/sublime text 2/sublime_text.exe’ … Read more
In order for your app to be eligible to be selected as the default messaging app (as far as the system is concerned), its manifest must list each of the four components as described in that blog post, whether those components’ classes are actually present and functional, or not. The class names can be whatever … Read more
You can just write System.Diagnostics.Process.Start(“http://google.com”); EDIT: The WebBrowser control is an embedded copy of IE. Therefore, any links inside of it will open in IE. To change this behavior, you can handle the Navigating event.