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Does Java have a HashMap with reverse lookup?
...ian I would call this kind of structure "a map what lets you lookup values by key or the other way around"
– Dónal
Mar 22 '12 at 16:44
4
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What is ApplicationException for in .NET?
.... The ApplicationException class differentiates between exceptions defined by applications versus exceptions defined by the system.
If you are designing an application that needs to create its own exceptions, you are advised to derive custom exceptions from the Exception class. It was originally tho...
Difference between Role and GrantedAuthority in Spring Security
...mething.
You can grant different GrantedAuthoritys (permissions) to users by putting them into the security context. You normally do that by implementing your own UserDetailsService that returns a UserDetails implementation that returns the needed GrantedAuthorities.
Roles (as they are used in man...
Why fragments, and when to use fragments instead of activities?
... achieve some of the same things using activities and layouts (for example by using includes). However; fragments are wired in to the Android API, from HoneyComb, and up. Let me elaborate;
The ActionBar. If you want tabs up there to navigate your app, you quickly see that ActionBar.TabListener int...
How can I change the color of my prompt in zsh (different from normal text)?
...
Agreed, by far the superior answer (luckily this answer was the third Google result ;)
– new123456
Nov 14 '10 at 5:02
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jQuery scroll() detect when user stops scrolling
...de both at "scroll start" and "scroll finish".
Using Lodash
As suggested by Barry P, jsFiddle, underscore or lodash also have a debounce, each with slightly different apis.
$(window).scroll(_.debounce(function(){
$('#scrollMsg').html('SCROLLING!');
}, 150, { 'leading': true, 'trailing': false...
Selenium WebDriver: Wait for complex page with JavaScript to load
...ment etc. This solution, however, is not for everyone and can be used only by you and only on a limited set of pages.
Your solution by observing the HTML code and whether it has or hasn't been changed for some time is not bad (also, there is a method to get the original and not-edited HTML directly ...
How to write WinForms code that auto-scales to system font and dpi settings?
...efault Font of MS Sans Serif (see the bullet two down). That is auto-added by the designer
based on the DPI you open the designer in... but was missing from
many of our oldest designer files. Perhaps Visual Studio .NET (the
version before VS 2005) was not adding that in properly.
Do all your design...
Difference between array_map, array_walk and array_filter
...
while array_map doesn't implicitly change values, by assigning the result to the same array it basically changes it, and 'paradoxically' array_walk which operates on the same array itself won't change its values-directly, unless passed value by reference (array walk might re...
How to show line number when executing bash script
...xecuted?
Or output the line number before the command exhibition generated by set -x ?
Or any method which can deal with my script line location problem would be a great help.
Thanks.
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