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Multiple inheritance for an anonymous class
...ernatively, how can it both extend a class and implement an interface?
For example, I want to create an object of anonymous class that extends two interfaces:
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Making a Location object in Android with latitude and longitude values
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Really bad example of documentation for Android, wasted quite some time on this. My other question is suppose I provide a valid provider like gps, will it give me the current location? In other words what is the significance of provider
– ...
Creating a new column based on if-elif-else condition
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To formalize some of the approaches laid out above:
Create a function that operates on the rows of your dataframe like so:
def f(row):
if row['A'] == row['B']:
val = 0
elif row['A'] > row['B']:
val =...
Can you 'exit' a loop in PHP?
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You are looking for the break statement.
$arr = array('one', 'two', 'three', 'four', 'stop', 'five');
while (list(, $val) = each($arr)) {
if ($val == 'stop') {
break; /* You could also write 'break 1;' here. */
}
echo...
How to open the Chrome Developer Tools in a new window?
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Yes, click and hold (I am using Chrome for Windows, version 39.x for x64).
– Do Nhu Vy
Nov 29 '14 at 4:36
5
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Right query to get the current number of connections in a PostgreSQL DB
... edited Jan 13 '14 at 1:34
informatik01
14.7k88 gold badges6666 silver badges100100 bronze badges
answered Mar 11 '11 at 8:52
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How to handle command-line arguments in PowerShell
...lled without it, script stops if you omit the -username parameter and asks for terminal input if -password is omitted.
Update:
You might also want to pass a "flag" (a boolean true/false parameter) to a PowerShell script. For instance, your script may accept a "force" where the script runs in a more...
How do I reset a sequence in Oracle?
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Here is a good procedure for resetting any sequence to 0 from Oracle guru Tom Kyte. Great discussion on the pros and cons in the links below too.
tkyte@TKYTE901.US.ORACLE.COM>
create or replace
procedure reset_seq( p_seq_name in varchar2 )
is
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How do you append to an already existing string?
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thank-you Ignacio Vazquez-Abrams
i adapted slightly for better ease of use :)
placed at top of script
NEW_LINE=$'\n'
then to use easily with other variables
variable1="test1"
variable2="test2"
DESCRIPTION="$variable1$NEW_LINE$variable2$NEW_LINE"
OR
to append thank-you Willi...
How do I create a custom Error in JavaScript?
For some reason it looks like constructor delegation doesn't work in the following snippet:
23 Answers
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