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Split string into an array in Bash
...ace is treated specially.
To access an individual element:
echo "${array[0]}"
To iterate over the elements:
for element in "${array[@]}"
do
echo "$element"
done
To get both the index and the value:
for index in "${!array[@]}"
do
echo "$index ${array[index]}"
done
The last example i...
How to create materialized views in SQL Server?
...kground:
Creating an Indexed View
Improving Performance with SQL Server 2008 Indexed Views
Basically, all you need to do is:
create a regular view
create a clustered index on that view
and you're done!
The tricky part is: the view has to satisfy quite a number of constraints and limitatio...
CommandError: You must set settings.ALLOWED_HOSTS if DEBUG is False
...
answered Jul 21 '14 at 4:10
Kye RussellKye Russell
3,33133 gold badges1616 silver badges3939 bronze badges
...
Using scanf() in C++ programs is faster than using cin?
...nclude <iostream>
int main(int argc, char **argv) {
int parity = 0;
int x;
while (std::cin >> x)
parity ^= x;
std::cout << parity << std::endl;
return 0;
}
scanf version:
#include <stdio.h>
int main(int argc, char **argv) {
int parity = 0;
int...
'too many values to unpack', iterating over a dict. key=>string, value=>list
...
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Mar 29 '11 at 0:34
...
How to handle Handler messages when activity/fragment is paused
...
+50
Although the Android operating system does not appear to have a mechanism that sufficiently addresses your problem I believe this patt...
What is the boundary in multipart/form-data?
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answered Dec 2 '13 at 5:07
Oscar MederosOscar Mederos
25.9k2020 gold badges7575 silver badges118118 bronze badges
...
Need some clarification about beta/alpha testing on the developer console
...provide the update to some percentage of users we currently have. Suppose 100 users are there and you rollout for 40% then only 40 users can update the app and after you confirm the app is working perfectly (using crash reports or reviews) then make it available for everyone.
4. Pause Track - See ea...
Make a number a percentage
What's the best way to strip the "0."XXX% off a number and make it a percentage? What happens if the number happens to be an int?
...
Firebug says “No Javascript on this page”, even though JavaScript does exist on the page
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As of Firefox version 50, it seems that Firebug will no longer work as Mozilla are migrating to Firefox Devtools. The tab Tools/Web Developer has a 'debugger' option. See this page for a discussion on the migration. Read all the posts dated 19 Nov...