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Remove elements from collection while iterating
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Let me give a few examples with some alternatives to avoid a ConcurrentModificationException.
Suppose we have the following collection of books
List<Book> books = new ArrayList<Book>();
books.add(new Book(new ISBN("0-201-63361-2")));
books.add(new Book(new ISBN("0-201-63361-3")));
boo...
How to call any method asynchronously in c#
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If you use action.BeginInvoke(), you have to call EndInvoke somewhere - else the framework has to hold the result of the async call on the heap, resulting in a memory leak.
If you don't want to jump to C# 5 with the async/aw...
Moving decimal places over in a double
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If you use double or float, you should use rounding or expect to see some rounding errors. If you can't do this, use BigDecimal.
The problem you have is that 0.1 is not an exact representation, and by performing the calculat...
jQuery Click fires twice when clicking on label
... on the label that associated with the radio the click events fires twice, if i click only on the radio itself it's working fine (well actually it's not the radio i am clicking but the div that wraps the whole input and label). Here is the code:
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How to ignore files which are in repository?
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If the file is still displayed in the status, even though it is in the .gitignore, make sure it isn't already tracked.
git rm --cached config.php
If you just want to ignore it locally, you could also make it ignored by the...
Default value to a parameter while passing by reference in C++
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if i make it const, will it allow me to pass a different address to the function? or will the address of State be always 0 and so meaningless?
– Sony
Jun 29 '09 at 18:10
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Converting BigDecimal to Integer
...l.intValueExact() (or just intValue()) and it will even throw an exception if you would lose information. That returns an int but autoboxing takes care of that.
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Find and replace in file and overwrite file doesn't work, it empties the file
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At least on my mac, the first suggestion doesn't work... if you're doing in-place replacement on a file, you have to specify an extension. You can, at least, pass in a zero-length extension though: sed -i '' s/STRING_TO_REPLACE/STRING_TO_REPLACE_IT/g index.html
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Logging Clientside JavaScript Errors on Server [closed]
...to tell the server what went wrong, however since it's not part of any specification, support is somewhat flaky.
Here's an example from Using XMLHttpRequest to log JavaScript errors:
window.onerror = function(msg, url, line)
{
var req = new XMLHttpRequest();
var params = "msg=" + encodeURIComp...
For..In loops in JavaScript - key value pairs
I was wondering if there's a way to do something like a PHP foreach loop in JavaScript. The functionality I'm looking for is something like this PHP Snippet:
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