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vs
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In HTML5, they are equivalent. Use the shorter one, it is easier to remember and type. Browser support is fine since it was designed for backwards compatibility.
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“unpacking” a tuple to call a matching function pointer
...d be stated once in an answer in this thread (after it already appeared in one of the comments).
The basic C++14 solution is still missing in this thread. EDIT: No, it's actually there in the answer of Walter.
This function is given:
void f(int a, double b, void* c)
{
std::cout << a...
Perform .join on value in array of objects
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This one. However you'll need to shim .map prototype member for IE < 9, if you need to support this retro-browsers.
– Tommi
May 17 '13 at 11:15
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recursively add file extension to all files
... seen bash scripts for changing the file extension but not for just adding one. It also needs to be recursive, can someone help please?
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Can hash tables really be O(1)?
...ash tables can achieve O(1), but that has never made sense to me. Can someone please explain it? Here are two situations that come to mind:
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How do I make a transparent border with CSS?
...landing here to find a solution for opaque border instead of a transparent one. In that case you can use rgba, where a stands for alpha.
.your_class {
height: 100px;
width: 100px;
margin: 100px;
border: 10px solid rgba(255,255,255,.5);
}
Demo
Here, you can change the opacity of t...
MySQL Creating tables with Foreign Keys giving errno: 150
...hen the Child table. If both tables references each other, you must create one table without FK constraints, then create the second table, then add the FK constraint to the first table with ALTER TABLE.
The two tables must both support foreign key constraints, i.e. ENGINE=InnoDB. Other storage engi...
Duplicate and rename Xcode project & associated folders [closed]
...s other StackOverflow posts and tutorials around the internet brought into one place for my future reference, and to help anyone else who may be facing the same issue. All credit is given for other answers at the end.
Duplicating an Xcode Project
In the Finder, duplicate the project folder to the...
What is a “context bound” in Scala?
One of the new features of Scala 2.8 are context bounds. What is a context bound and where is it useful?
4 Answers
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Why are preprocessor macros evil and what are the alternatives?
...are" level, your macro will act like a single statement, no matter if it's one statement or a hundred. Makes it hard to figure out what is going on.
Replacement: Use functions - inline if it needs to be "fast" (but beware that too much inline is not a good thing)
2) Macro expansions can have stra...