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Why is Multiple Inheritance not allowed in Java or C#?
...NET and Java designers did not allow multiple inheritance because they reasoned that adding MI added too much complexity to the languages while providing too little benefit.
For a more fun and in-depth read, there are some articles available on the web with interviews of some of the language design...
TreeMap sort by value
...
polygenelubricants answer is almost perfect. It has one important bug though. It will not handle map entries where the values are the same.
This code:...
Map<String, Integer> nonSortedMap = new HashMap<String, Integer>();
nonSortedMap.put("ape", 1);
nonSortedMap....
Animate scrollTop not working in firefox
...en animating on a single supported object would be nice, but there's not a one line solution. In the meantime, here's a way to use a promise to do a single callback per execution.
$('html, body')
.animate({ scrollTop: 100 })
.promise()
.then(function(){
// callback code here
...
.NET Global exception handler in console application
...on handler for unhandled exceptions in my console application. In asp.net, one can define one in global.asax, and in windows applications /services, one can define as below
...
jQuery form serialize - empty string
...h it doesn't apply to this particular example, the same behavior occurs if one or more form inputs is disabled. Those inputs will not show up in the serialized string. In my case, all form inputs had values but were disabled, resulting in an empty string being returned.
...
How to get the max of two values in MySQL?
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one thing need to keep in mind that whenever if any single value contains null at that time this function always returns null as answer!
– sanghavi7
Mar 1 '13 at 12:00
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Date.getDay() javascript returns wrong day
...ed Nov 13 '12 at 10:44
Luca RainoneLuca Rainone
14.2k22 gold badges3434 silver badges4949 bronze badges
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Reloading module giving NameError: name 'reload' is not defined
... problematic. Reloading updates module variables, but does not remove old ones, so if you rename something the old name will still exist. If you change class definitions, existing objects will still have the old type. Finally, some modules run code at import time that isn't designed to run twice....
Tracing XML request/responses with JAX-WS
...e XML for a webservice published with JAX-WS reference implementation (the one included in JDK 1.5 and better) ?
Being able to do that via code is what I need to do.
Just having it logged to a file by clever logging configurations would be nice but enough.
...
What's better at freeing memory with PHP: unset() or $var = null
I realise the second one avoids the overhead of a function call ( update , is actually a language construct), but it would be interesting to know if one is better than the other. I have been using unset() for most of my coding, but I've recently looked through a few respectable classes found off t...