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Scala equivalent of Java java.lang.Class Object
... Type System",
val c = new C
val clazz = c.getClass // method from java.lang.Object
val clazz2 = classOf[C] // Scala method: classOf[C] ~ C.class
val methods = clazz.getMethods // method from java.lang.Class<T>
The classOf[T] method returns the runtime represent...
Check if a file exists with wildcard in shell script [duplicate]
...d it's turned on, a wildcard pattern that matches no files will be removed from the command line altogether. This will make ls see no pathname arguments, list the contents of the current directory and succeed, which is wrong. GNU stat, which always fails if given no arguments or an argument naming a...
What does java:comp/env/ do?
...he following structure for the "env"
namespace.
So the binding you did from spring or, for example, from a tomcat context descriptor go by default under java:comp/env/
For example, if your configuration is:
<bean id="someId" class="org.springframework.jndi.JndiObjectFactoryBean">
<p...
Check if application is on its first run [duplicate]
..._KEY, currentVersionCode).apply();
}
You would probably call this method from onCreate in your main activity so that it is checked every time your app starts.
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
supe...
Git status - is there a way to show changes only in a specific directory?
...
From within the directory:
git status .
You can use any path really, use this syntax:
git status <directoryPath>
For instance for directory with path "my/cool/path/here"
git status my/cool/path/here
...
Plotting time in Python with Matplotlib
...he year is set to 1990": Could you please post the code you use to convert from string to datetime? Something might be wrong with the conversion. Re. the formatting of chart labels, see the date_demo1 link provided by J. K. Seppänen. The matplot lib documentation is excellent, BTW. matplotlib.sourc...
How do I replace all line breaks in a string with elements?
How can I read the line break from a value with JavaScript and replace all the line breaks with <br /> elements?
13...
How do I use vi keys in ipython under *nix?
...
In case someone's wandering in here recently, IPython 5.0 switched from readline to prompt_toolkit, so an updated answer to this question is to pass an option:
$ ipython --TerminalInteractiveShell.editing_mode=vi
... or to set it globally in the profile configuration (~/.ipython/profile_d...
How can I detect the encoding/codepage of a text file
In our application, we receive text files ( .txt , .csv , etc.) from diverse sources. When reading, these files sometimes contain garbage, because the files where created in a different/unknown codepage.
...
Multiple Inheritance in PHP
...mulate it this way:
$m = new Message();
$m->type = 'text/html';
$m->from = 'John Doe <jdoe@yahoo.com>';
$m->to = 'Random Hacker <rh@gmail.com>';
$m->subject = 'Invitation email';
$m->importBody('invitation.html');
$d = new MessageDispatcher();
$d->dispatch($m);
This...