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Random string generation with upper case letters and digits
I want to generate a string of size N.
31 Answers
31
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Difference between FetchType LAZY and EAGER in Java Persistence API?
...f students for a given university:
public class University {
private String id;
private String name;
private String address;
private List<Student> students;
// setters and getters
}
Now when you load a University from the database, JPA loads its id, name, and address field...
How to exit from the application and show the home screen?
...tent as
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
also, add some extra like boolean to the intent
intent.putExtra("EXIT", true);
Then in root activity, check the value of the boolean and according to that call finish(), in the onCreate() of the root activity
if (getIntent().getBooleanE...
How do I parse JSON in Android? [duplicate]
...ed for GSON or anything like that.
Get your JSON:
Assume you have a json string
String result = "{\"someKey\":\"someValue\"}";
Create a JSONObject:
JSONObject jObject = new JSONObject(result);
If your json string is an array, e.g.:
String result = "[{\"someKey\":\"someValue\"}]"
then you ...
Get host domain from URL?
how to get host domain from a string URL?
9 Answers
9
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Remove ALL white spaces from text
...e(/ /g,'')
The g character means to repeat the search through the entire string. Read about this, and other RegEx modifiers available in JavaScript here.
If you want to match all whitespace, and not just the literal space character, use \s instead:
.replace(/\s/g,'')
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How to annotate MYSQL autoincrement field with JPA annotations
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Please make sure that id datatype is Long instead of String, if that
will be string then @GeneratedValue annotation will not work and the
sql generating for
@Id @GeneratedValue(strategy=GenerationType.IDENTITY)
private String id;
create table VMS_AUDIT_RECORDS (id **varc...
bower command not found windows
...AppData\Roaming\npm" simply won't fit into that.
Check your PATH, remove extra stuff and try to reinstall node.js and bower etc. Also there is a way to increase 1024-length limit
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Open a file with su/sudo inside Emacs
...hat subsequent sudo-opened files take much less time.
I haven't found the extra time it takes to save burdening, either. It's fast enough, IMO.
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In Windows cmd, how do I prompt for user input and use the result in another command?
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The syntax is as such: set /p variable=[string]
Check out http://commandwindows.com/batch.htm or http://www.robvanderwoude.com/userinput.php for a more deep dive into user input with the different versions of Windows OS batch files.
Once you have set your variabl...