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Tree data structure in C#
...T>[] AddChildren(params T[] values)
{
return values.Select(AddChild).ToArray();
}
public bool RemoveChild(TreeNode<T> node)
{
return _children.Remove(node);
}
public void Traverse(Action<T> action)
{
...
What is the “right” way to iterate through an array in Ruby?
... way to iterate, useful when you want to transform one array into another.
select is the iterator to use when you want to choose a subset.
inject is useful for generating sums or products, or collecting a single result.
It may seem like a lot to remember, but don't worry, you can get by without k...
How to grep for two words existing on the same line? [duplicate]
...if performance really matters. If you run two commands, you should aim to select the less frequently occurring word in the first grep to minimize the amount of data processed by the second.
Diagnosis
The initial script is:
grep -c "word1" | grep -r "word2" logs
This is an odd command sequence....
How to join multiple lines of file names into one with custom delimiter?
... i just upvoted it, this is and now it has the same votes as the selected answer. THIS IS THE ANSWER. no trailing delimeter
– thebugfinder
Sep 14 '15 at 13:23
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How to write :hover condition for a:before and a:after?
...t comes after the pseudo-class (and in fact, at the very end of the entire selector). Notice also that they are two different things; calling them both "pseudo-selectors" is going to confuse you once you run into syntax problems such as this one.
If you're writing CSS3, you can denote a pseudo-eleme...
Log4net does not write the log in the log file
...
Also, Make sure the "Copy always" option is selected for [log4net].config
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html onchange event not working
...ck into a field and get a dropdown of previously entered text, and you can select from among your choices using a mouse click. Keystroke trapping will not detect either of these types of changes.
Sadly, there is no "onchange" event that reports changes immediately, at least as far as I know. But th...
Difference between val() and text()
... on)
val() is used to obtain the value of an input element (such as input, select, and so on)
according to the official documentation text() should not be used with input elements
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Value Change Listener to JTextField
...cumentListener can, sometime, receive two events. For instance if the user selects the whole field content, then press a key, you'll receive a removeUpdate (all the content is remove) and an insertUpdate.
In your case, I don't think it is a problem but, generally speaking, it is.
Unfortunately, it s...
What is the difference between visibility:hidden and display:none?
...avior you want (but maybe sometimes it is?).
Another difference is if you select the text, then copy/paste as plain text, you get the following:
1st link.
2nd link.
3rd unseen link.
In case 3 the text does get copied. Maybe this would be useful for some type of watermarking, or if you wanted to...