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Correct format specifier for double in printf
...assuming a current version of g++), that's a bug in g++. For C89/90 and C++98/03, allowing l was an extension. The C99/11 and C++11 standards require the implementation to allow it.
– Jerry Coffin
Jun 10 '13 at 13:16
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How to get distinct values from an array of objects in JavaScript?
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@98percentmonkey - The object was used to facilitate the "dictionary approach". Inside the object, each occurrence being tracked is added as a key (or a bin). This way, when we come across an occurrence, we can check to see if...
Validate that a string is a positive integer
...ue);
},
false
);
test("1", true);
test("1.23", false);
test("1234567890123", true);
test("1234567890123.1", false);
test("0123", false); // false because we don't handle leading 0s
test(" 123 ", false); // false because we don't handle whitespace
<label>
String:
<inp...
Can I write a CSS selector selecting elements NOT having a certain class or attribute?
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Is this supported? Yes : Caniuse.com (accessed 02 Jan 2020):
Support: 98.74%
Partial support: 0.1%
Total:98.84%
Funny edit, I was Googling for the opposite of :not. CSS negation?
selector[class] /* the oposite of :not[]*/
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SQL order string as number
... | 0 /* the string does not contain a number, so the result is 0 */
'123miles' | 123
'$123' | 0 /* the left side of the string does not start with a number */
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what is faster: in_array or isset? [closed]
...e, you can check out the compiled version of your script:
echo isset($arr[123])
compiled vars: !0 = $arr
line # * op fetch ext return operands
-----------------------------------------------------------------------------
1 0 > ZEND_ISSET_ISEMPTY_...
What is move semantics?
...ject. Exactly how is that going to be initialized? In the olden days of C++98, the answer would have been "by the copy constructor". In C++0x, the compiler chooses between the copy constructor and the move constructor based on whether the argument to the assignment operator is an lvalue or an rvalue...
How to disable an Android button?
...dited Sep 1 '14 at 19:00
hichris123
9,5151212 gold badges5050 silver badges6666 bronze badges
answered Dec 8 '10 at 7:08
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Collisions when generating UUIDs in JavaScript?
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Mark Amery
98.9k4848 gold badges336336 silver badges379379 bronze badges
answered Aug 25 '11 at 4:49
broofabroof...
Easy way to pull latest of all git submodules
...answered Dec 11 '14 at 19:38
abc123abc123
15.5k66 gold badges4444 silver badges7373 bronze badges
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