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dynamic_cast and static_cast in C++
...t runtime, and work by querying the object (no need to worry about how for now), asking it if it the type we're looking for. If it is, dynamic_cast<Type*> returns a pointer; otherwise it returns NULL.
In order for this base-to-derived casting to work using dynamic_cast<>, Base, Foo and...
Is Java RegEx case-insensitive?
... .replaceAll("(?i)\\b([A-Z])\\1+\\b", "$1")
); // A e I O u
Now suppose that we specify that the run should only be collapsed only if it starts with an uppercase letter. Then we must put the (?i) in the appropriate place:
System.out.println(
"AaAaaA eeEeeE IiiIi OoooOo uu...
How to call getClass() from a static method in Java?
... reformat and shorten FQ names.
Change the context to Java: declaration.
Now if you type log<tab> it'll automatically expand to
private static final Logger logger = LoggerFactory.getLogger(ClassName.class);
And automatically reformat and optimize the imports for you.
...
Code equivalent to the 'let' keyword in chained LINQ extension method calls
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Woah, I didn't know you could autoencapsulate using the new operator like that.
– David Pfeffer
Sep 22 '10 at 15:31
19
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How do you clone an Array of Objects in Javascript?
...le - it might not be! But I have no time to try to write a rigorous proof now.). I found some good comments on the issue on this page.
If you need a deep copy of an Array of Objects with circular references I believe you're going to have to code your own method to handle your specialized data str...
VB.NET equivalent of C# property shorthand?
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@rap, now implement "public string FirstName {get; private set;}" in VB :P
– Blorgbeard is out
Mar 18 '14 at 21:11
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Are NSLayoutConstraints animatable? [duplicate]
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Oh, I see what I was doing wrong now (I was using this pattern before but still with no success)...I was calling setNeedsLayout instead of layoutIfNeeded Surely a DOH moment! Actually just changing a constraint automatically calls setNeedsLayout so I guess ...
Make a link open a new window (not tab) [duplicate]
...is not a matter of year or browser, most modern browsers open in a new tab nowadays. You need a javascript solution like Ievgen's for this.
– Christoph
Sep 15 '15 at 14:27
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Do HTML5 custom data attributes “work” in IE 6?
...om my recent book experiments it is clear that data- attributes are usable now and are far superior to the current common scheme of overloading the class attribute value to contain style info and random meta data.
– Thomas Powell
Mar 10 '10 at 21:42
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Checking for NULL pointer in C/C++ [closed]
...omparison and it reads clearly:
if(some_ptr){;}
This is clear if you know that some_ptr is a pointer type, but it may also look like an integer comparison:
if(some_ptr != 0){;}
This is clear-ish, in common cases it makes sense... But it's a leaky abstraction, NULL is actually 0 literal and...