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Looping over arrays, printing both index and value
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You would find the array keys with "${!foo[@]}" (reference), so:
for i in "${!foo[@]}"; do
printf "%s\t%s\n" "$i" "${foo[$i]}"
done
Which means that indices will be in $i while the elements themselves have to be accessed via ${foo[$i]}
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When a 'blur' event occurs, how can I find out which element focus went *to*?
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Hmm... In Firefox, you can use explicitOriginalTarget to pull the element that was clicked on. I expected toElement to do the same for IE, but it does not appear to work... However, you can pull the newly-focused element from the document:
function showBlur(ev)...
Deep Learning（深度学习）学习笔记整理系列之（二） - 大数据 & AI - 清泛...
Deep Learning（深度学习）学习笔记整理系列之（二）Deep_Learning_Series_2Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学习）学习笔记整理系列
zo...
How to print (using cout) a number in binary form?
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The easiest way is probably to create an std::bitset representing the value, then stream that to cout.
#include <bitset>
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char a = -58;
std::bitset<8> x(a);
std::cout << x << '\n';
short c = -315;
std::bitset<16> y(c);
std::cout <...
Ruby optional parameters
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This isn't possible with ruby currently. You can't pass 'empty' attributes to methods. The closest you can get is to pass nil:
ldap_get(base_dn, filter, nil, X)
However, this will set the scope to nil, not LDAP::LDAP_SCOPE_SUBTREE.
What you ...
Android: How can I validate EditText input?
I need to do form input validation on a series of EditTexts. I'm using OnFocusChangeListeners to trigger the validation after the user types into each one, but this doesn't behave as desired for the last EditText.
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How to get a Fragment to remove itself, i.e. its equivalent of finish()?
I'm converting an app to use fragments using the compatibility library.
Now currently I have a number of activities (A B C D) which chain onto one another, D has a button 'OK' which when pressed calls finish which then bubbles up through onActivityResult() to additionally destroy C and B.
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ASP.NET MVC - TempData - Good or bad practice
...cceptVerbs method detailed in Scott Gu's Preview 5 blog post for dealing with form entries in ASP.NET MVC:
8 Answers
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What's onCreate(Bundle savedInstanceState)
...te(Bundle savedInstanceState) I am newbie in Android. I try to understand it from developer.android.com. But I am not able to understand. Can anyone simplify it?
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Play an audio file using jQuery when a button is clicked
I am trying to play an audio file when I click the button, but it's not working, my html code is:
6 Answers
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