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What requests do browsers' “F5” and “Ctrl + F5” refreshes generate?
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edited Mar 11 '14 at 9:20
naXa
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answered ...
What's the concept of and differences between Framebuffer and Renderbuffer in OpenGL?
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answered Feb 6 '10 at 12:33
ChrisF♦ChrisF
124k2828 gold badges239239 silver badges311311 bronze badges
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MySQL, update multiple tables with one query
...se, we increase the number of books in a particular order with Order.ID = 1002 in Orders table then we also need to reduce that the total number of books available in our stock by the same number in Books table.
UPDATE Books, Orders
SET Orders.Quantity = Orders.Quantity + 2,
Books.InStock = Book...
Regular expression for letters, numbers and - _
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209
The pattern you want is something like (see it on rubular.com):
^[a-zA-Z0-9_.-]*$
Explanatio...
How does generic lambda work in C++14?
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130
Generic lambdas were introduced in C++14.
Simply, the closure type defined by the lambda expre...
How to open a local disk file with JavaScript?
...g FileReader:
function readSingleFile(e) {
var file = e.target.files[0];
if (!file) {
return;
}
var reader = new FileReader();
reader.onload = function(e) {
var contents = e.target.result;
displayContents(contents);
};
reader.readAsText(file);
}
function displayContent...
How to make a variadic macro (variable number of arguments)
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answered Mar 25 '09 at 2:16
Alex BAlex B
73.5k3636 gold badges187187 silver badges270270 bronze badges
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What makes a SQL statement sargable?
...a function in the where clause:
SELECT ... FROM ...
WHERE Year(myDate) = 2008
The SQL optimizer can't use an index on myDate, even if one exists. It will literally have to evaluate this function for every row of the table. Much better to use:
WHERE myDate >= '01-01-2008' AND myDate < '01-0...
GDB corrupted stack frame - How to debug?
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Those bogus adresses (0x00000002 and the like) are actually PC values, not SP values. Now, when you get this kind of SEGV, with a bogus (very small) PC address, 99% of the time it's due to calling through a bogus function pointer. Note that virt...
Javascript library for human-friendly relative date formatting [closed]
...gainst.
// Make a fuzzy time
var delta = Math.round((+new Date - date) / 1000);
var minute = 60,
hour = minute * 60,
day = hour * 24,
week = day * 7;
var fuzzy;
if (delta < 30) {
fuzzy = 'just then.';
} else if (delta < minute) {
fuzzy = delta + ' seconds ago.';
} else ...