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addEventListener vs onclick
What's the difference between addEventListener and onclick ?
16 Answers
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Maven project version inheritance - do I have to specify the parent version?
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EDIT: Since Maven 3.5.0 there is a nice solution for this using ${revision} placeholder. See FrVaBe's answer for details. For previous Maven versions see my original answer below.
No, there isn't. You always have to specify parent's version. Fortunatel...
Retrieve specific commit from a remote Git repository
Is there any way to retrieve only one specific commit from a remote Git repo without cloning it on my PC? The structure of remote repo is absolutely same as that of mine and hence there won't be any conflicts but I have no idea how to do this and I don't want to clone that huge repository.
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Textarea onchange detection
...textarea using javascript?
I'm trying to detect how many characters left is available as you type.
10 Answers
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Reason for Column is invalid in the select list because it is not contained in either an aggregate f
...kes it clear which value to choose for b in each group. It's ambiguous.
This demonstrates the single-value rule, which prohibits the undefined results you get when you run a GROUP BY query, and you include any columns in the select-list that are neither part of the grouping criteria, nor appear in ...
Windows 7, 64 bit, DLL problems
I have a problem with our executable. I'm running this C++ 32-bit executable on my Windows 7 64-bit development box that also has all those Microsoft applications (Visual Studio 2008 + 2010, TFS, SDK, Microsoft Office)...
And it's still running just fine.
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Check if a class is derived from a generic class
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Try this code
static bool IsSubclassOfRawGeneric(Type generic, Type toCheck) {
while (toCheck != null && toCheck != typeof(object)) {
var cur = toCheck.IsGenericType ? toCheck.GetGenericTypeDefinition() : toChe...
MySQL error: key specification without a key length
I have a table with a primary key that is a varchar(255). Some cases have arisen where 255 characters isn't enough. I tried changing the field to a text, but I get the following error:
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Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]
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This error message means you failed to authenticate.
These are common reasons that can cause that:
Trying to connect with the wrong key. Are you sure this instance is using this keypair?
Trying to connect with the wrong use...
Is there a Rake equivalent in Python?
Rake is a software build tool written in Ruby (like Ant or Make ), and so all its files are written in this language. Does something like this exist in Python?
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