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How to send email attachments?
...ke any other user here would? I've changed the remaining reference to file into f.
– Oli
May 16 '11 at 22:26
9
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Constructor in an Interface?
I know it's not possible to define a constructor in an interface. But I'm wondering why, because I think it could be very useful.
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Unique constraint that allows empty values in MySQL
...See the MySQL reference (version 5.5).
A UNIQUE index creates a constraint such that all values in the index must be distinct. An error occurs if you try to add a new row with a key value that matches an existing row. For all engines, a UNIQUE index allows multiple NULL values for columns that ...
How to open the default webbrowser using java
Can someone point me in the right direction on how to open the default web browser and set the page to "www.example.com" thanks
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How do I “undo” a --single-branch clone?
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Wow, this is far from intuitive! It's odd Git doesn't readily have a command to accomplish this. Yeah I got it working... and now I know about the config file int he .git directory too!
– kashiraja
May 12 '18...
Java 8 Lambda function that throws exception?
...eate a reference to a method that has a String parameter and returns an int , it's:
25 Answers
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Go Error Handling Techniques [closed]
... a superior attribute than verbosity, but that is arguably a contentious point). The principle is sound, but the syntax leaves a lot to be desired IMHO. However complaining is forbidden, so I'll just drink my kool-aid now ;-)
– Thomas
Jan 1 '14 at 5:28
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Increment a value in Postgres
I'm a little new to postgres. I want to take a value (which is an integer) in a field in a postgres table and increment it by one. For example if the table 'totals' had 2 columns, 'name' and 'total', and Bill had a total of 203, what would be the SQL statement I'd use in order to move Bill's total t...
NullPointerException accessing views in onCreate()
...iews in onCreate method they are not rendered at the time resulting null pointer exception.
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
View something = findViewById(R.id.something);
something.se...
How to start an Intent by passing some parameters to it?
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In order to pass the parameters you create new intent and put a parameter map:
Intent myIntent = new Intent(this, NewActivityClassName.class);
myIntent.putExtra("firstKeyName","FirstKeyValue");
myIntent.putExtra("secondKeyName","SecondKeyValue");
startActivity(myIntent);...