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javascript remove “disabled” attribute from html input
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201
Set the element's disabled property to false:
document.getElementById('my-input-id').disabled ...
How to create a custom string representation for a class object?
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280
Implement __str__() or __repr__() in the class's metaclass.
class MC(type):
def __repr__(self)...
Don't Echo Out cURL
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answered Dec 16 '09 at 22:54
Matt McCormickMatt McCormick
12.7k2020 gold badges6969 silver badges8080 bronze badges
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How to generate a random int in C?
...lled once.
int r = rand(); // Returns a pseudo-random integer between 0 and RAND_MAX.
Edit: On Linux, you might prefer to use random and srandom.
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What are some uses of decltype(auto)?
...(auto).
template<int i>
struct Int {};
constexpr auto iter(Int<0>) -> Int<0>;
template<int i>
constexpr auto iter(Int<i>) -> decltype(auto)
{ return iter(Int<i-1>{}); }
int main() { decltype(iter(Int<10>{})) a; }
decltype(auto) is used here to ...
Why does Bootstrap set the line-height property to 1.428571429?
...ning their line-height off of a 14px font-size. The target line-height is 20px:
20px ÷ 14px = 1.428571429
When determining your line-height, you want to make sure you have ample white space between your rows. This allows for ascenders and descenders without intruding on other rows. Also having am...
remove legend title in ggplot
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answered Feb 8 '13 at 11:30
jubajuba
41k1111 gold badges9696 silver badges109109 bronze badges
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Open file dialog box in JavaScript
...styles are applied to get that feel. Opacity of the file control is set to 0 so that it appears that the dialog window is opened when clicking on the div.
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Practical usage of setjmp and longjmp in C
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int r ;
printf("(A1)\n");
r = setjmp(bufferA);
if (r == 0) routineB();
printf("(A2) r=%d\n",r);
r = setjmp(bufferA);
if (r == 0) longjmp(bufferB, 20001);
printf("(A3) r=%d\n",r);
r = setjmp(bufferA);
if (r == 0) longjmp(bufferB, 20002);
printf("(A4...
Check a collection size with JSTL
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<c:if test="${companies.size() > 0}">
</c:if>
This syntax works only in EL 2.2 or newer (Servlet 3.0 / JSP 2.2 or newer). If you're facing a XML parsing error because you're using JSPX or Facelets instead of JSP, then use gt instead of >.
<c...