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What is the “right” way to iterate through an array in Ruby?
... way to iterate, useful when you want to transform one array into another.
select is the iterator to use when you want to choose a subset.
inject is useful for generating sums or products, or collecting a single result.
It may seem like a lot to remember, but don't worry, you can get by without k...
Why is the Android emulator so slow? How can we speed up the Android emulator? [closed]
...Peter Ehrlich : Just go to the Window > Android SDK and AVD Manager and select AVD you want to launch from the list and then click on the Start button in the right pane. It will open the same you want.
– Vikas Patidar
Jan 2 '12 at 7:10
...
How do I use a file grep comparison inside a bash if/else statement?
...m grep --help, but also see man grep:
Exit status is 0 if any line was selected, 1 otherwise;
if any error occurs and -q was not given, the exit status is 2.
if grep --quiet MYSQL_ROLE=master /etc/aws/hosts.conf; then
echo exists
else
echo not found
fi
You may want to use a more specif...
What are valid values for the id attribute in HTML?
...id certain characters. Periods, colons and '#' have special meaning in CSS selectors, so you will have to escape those characters using a backslash in CSS or a double backslash in a selector string passed to jQuery. Think about how often you will have to escape a character in your stylesheets or cod...
Enable bundling and minification in debug mode in ASP.NET MVC 4
...your web.config (or at a minimum, an AppSetting entry.) That way, you can selectively enable/disable optimizations without having to do a rebuild.
– Joe the Coder
Feb 12 '14 at 15:58
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Nohup is not writing log to output file
... Works like a charm. I also think it is a better answer than the one selected as correct. Could you please mark this as correct to not confuse others?
– Ondrej Burkert
May 13 '15 at 14:50
...
Capture key press (or keydown) event on DIV element
...
+1 tabindex is the key point here to make the div 'selectable'. JQuery not necessary, the same thing works with Angular as well as (I suppose) with plain javascript events.
– Jukka Dahlbom
Feb 12 '14 at 10:57
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How to get a string after a specific substring?
...ram.
This script generates random sentences with and without the randomly selected delimiter present, and if present, at different positions in the generated sentence, runs the tests in random order with repeats (producing the fairest results accounting for random OS events taking place during test...
How do I convert from stringstream to string in C++?
...str();
}
if you want the character type of your string could be run-time selectable, you should also make it a template variable.
template <class CharType, class NumType>
std::basic_string<CharType> YourClass::NumericToString(const NumType & NumericValue)
{
std::basic_ostrings...
SecurityException: Permission denied (missing INTERNET permission?)
...ns. It gives user more control on what permission are granted (also allows selective grant) or lets one revoke already granted permissions w/o need to app removal:
This [...] introduces a new permissions model, where users can now
directly manage app permissions at runtime. This model gives us...