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When should use Readonly and Get only properties
...utside the class.
You can however change the value using methods provided by your class :
public class FuelConsumption {
private double fuel;
public double Fuel
{
get { return this.fuel; }
}
public void FillFuelTank(double amount)
{
this.fuel += amount;
...
How do I automatically update a timestamp in PostgreSQL
...tamp
)
Note that the value for that column can explicitly be overwritten by supplying a value in the INSERT statement. If you want to prevent that you do need a trigger.
You also need a trigger if you need to update that column whenever the row is updated (as mentioned by E.J. Brennan)
Note tha...
Best way to show a loading/progress indicator?
...Wait while loading...");
progress.setCancelable(false); // disable dismiss by tapping outside of the dialog
progress.show();
// To dismiss the dialog
progress.dismiss();
OR
ProgressDialog.show(this, "Loading", "Wait while loading...");
Read more here.
By the way, Spinner has a different meanin...
How to format current time using a yyyyMMddHHmmss format?
... of the time value formatted according to layout, which defines the format by showing how the reference time,
Mon Jan 2 15:04:05 -0700 MST 2006
would be displayed if it were the value; it serves as an example of the desired output. The same display rules will then be applied to the time value...
Dependency Injection vs Factory Pattern
...ng a factory your code is still actually responsible for creating objects. By DI you outsource that responsibility to another class or a framework, which is separate from your code.
share
|
improve ...
How to do error logging in CodeIgniter (PHP)
...ata, it should be pretty safe. This file is relative to an index.html page by default so obviously generated php files wouldn't be publicly accessible- but you'll never know. Make sure to have all of this precautions in place if you change the default application/logs directory.
...
How to fire AJAX request Periodically?
...ght a bit more advanced technique that I learned from this excellent video by Paul Irish: http://paulirish.com/2010/10-things-i-learned-from-the-jquery-source/
For periodic tasks that might end up taking longer than the repeat interval (like an HTTP request on a slow connection) it's best not to us...
Highlight all occurrence of a selected word?
...for a pattern with the command / in Normal mode, or <Ctrl>o followed by / in Insert mode. * in Normal mode will search for the next occurrence of the word under the cursor. The hlsearch option will highlight all of them if set. # will search for the previous occurrence of the word.
To remove ...
Formula px to dp, dp to px android
...different devices. Of course if the xdpi/ydpi inputs are not correctly set by some devices, it wont't work there.
– Bachi
Apr 15 '14 at 21:13
1
...
Can JSON start with “[”?
...h { (left brace) and ends with } (right brace). Each name is followed by : (colon) and the name/value pairs are separated by , (comma).
{string: value, string: value}
ARRAY:
An array is an ordered collection of values. An array begins with [ (left bracket) and ends with ] (right...