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Can regular expressions be used to match nested patterns? [duplicate]
...data structure underlying a regular expression) does not have memory apart from the state it's in, and if you have arbitrarily deep nesting, you need an arbitrarily large automaton, which collides with the notion of a finite automaton.
You can match nested/paired elements up to a fixed depth, where...
C/C++ macro string concatenation
...ine PPCAT_NX(A, B) A ## B
PPCAT_NX("s", "1")
produces this error message from the preprocessing phase of gcc: error: pasting ""s"" and ""1"" does not give a valid preprocessing token
]
However, for general token pasting, try this:
/*
* Concatenate preprocessor tokens A and B without expanding...
Is there a way to detect if a browser window is not currently active?
...
@bellpeace: IE should propagate focusin and focusout from the iframe to the upper window. For newer browsers, you'd just have to handle the focus and blur events on each iframe's window object. You should use the updated code I just added which will at least cover those cas...
git error: failed to push some refs to remote
...ue with Git LFS, I've surrendered myself to having to use the command line from now on as a result haha.
– Tyler C
Mar 30 '17 at 5:24
2
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Default value of a type at Runtime [duplicate]
... /// <para></para>
/// false = The object has been changed from its default value.
/// </returns>
public static bool IsObjectSetToDefault(this Type ObjectType, object ObjectValue)
{
// If no ObjectType was supplied, attempt to determine from ObjectValue
...
Facebook Like Button - how to disable Comment pop up?
...
@tybro, if class names change by any chance from Facebook end then of course one can change the rule easily from the CSS as well, it doesn't require any kind of functional change, that's the easiest fix to hide the comment popup till the time FB doesn't make it configu...
Best way to compare two complex objects
...nswer was written several years ago. Since then, I've started to lean away from implementing IEquality<T> for mutable types for such scenarios. There are two notions of equality: identity and equivalence. At a memory representation level, these are popularly distinguished as “reference equal...
Understanding recursion [closed]
...h, and two simple return statements that almost wrote themsleves, directly from our specification?
How to sum a node:
If a node is null
its sum is zero
otherwise
its sum is its value
plus the sum of its left child node
plus the sum of its right child node
That's the power of recu...
How can I get jQuery to perform a synchronous, rather than asynchronous, Ajax request?
...s the beforecreate function. It should return false to prevent an item from being created.
14 Answers
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Declaring Multiple Variables in JavaScript
... it is annoying to remove the first or last declaration because they start from the var keyword and finish with the semicolon respectively. Every time you add a new declaration, you have to replace the semicolon in the last old line with a comma.
...