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What does a colon following a C++ constructor name do? [duplicate]
...r (":") do in this constructor? Is it equivalent to MyClass(m_classID = -1, m_userdata = 0); ?
9 Answers
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How to increment a pointer address and pointer's value?
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171
First, the ++ operator takes precedence over the * operator, and the () operators take precede...
How can I pretty-print JSON using node.js?
...le:
var fs = require('fs');
fs.writeFile('test.json', JSON.stringify({ a:1, b:2, c:3 }, null, 4));
/* test.json:
{
"a": 1,
"b": 2,
"c": 3,
}
*/
See the JSON.stringify() docs at MDN, Node fs docs
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SQL Server: Get data for only the past year
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12 Answers
12
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Use CSS3 transitions with gradient backgrounds
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16 Answers
16
Active
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Suppress command line output
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212
Because error messages often go to stderr not stdout.
Change the invocation to this:
taskkill...
Copy file or directories recursively in Python
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146
I suggest you first call shutil.copytree, and if an exception is thrown, then retry with shuti...
Counting the number of True Booleans in a Python List
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215
True is equal to 1.
>>> sum([True, True, False, False, False, True])
3
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jQuery event to trigger action when a div is made visible
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192
You could always add to the original .show() method so you don't have to trigger events every ...
What is a “callback” in C and how are they implemented?
...RandomValue(void)
{
return rand();
}
int main(void)
{
int myarray[10];
populate_array(myarray, 10, getNextRandomValue);
...
}
Here, the populate_array function takes a function pointer as its third parameter, and calls it to get the values to populate the array with. We've written...