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Can I call memcpy() and memmove() with “number of bytes” set to zero?
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From the C99 standard (7.21.1/2):
Where an argument declared as size_t n specifies the length of the array for a
function, n can have the value zero on a call to that function. Unless explicitly stated
otherwise in the description of a particular function in this subclause, pointer argume...
Catching multiple exception types in one catch block
...ing OOP when it comes to exceptions is very powerful. Using things like get_class or instanceof are hacks, and should be avoided if possible.
Another solution I would like to add is putting the exception handling functionality in its own method.
You could have
function handleExceptionMethod1(Exc...
Naming cookies - best practices [closed]
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appname_meaningfulname
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jQuery Validate Plugin - Trigger validation of single field
...e end so it looked for me $("#Form").data('validator').element('input[name=__Suburb]').valid(); I believe that if you do not select it by ID this might be required.
– Mihai P.
Jan 15 '15 at 0:10
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How to use Morgan logger?
...o do logging in the way that servers like Apache and Nginx log to the error_log or access_log. For reference, this is how you use morgan:
var express = require('express'),
app = express(),
morgan = require('morgan'); // Require morgan before use
// You can set morgan to lo...
Ruby Bundle Symbol not found: _SSLv2_client_method (LoadError)
... ruby-1.9.3-p547
Ruby gets re-installed, but fails in setting up a gemset_pristine for the application because
libv8 version 3.16.14.3 failed
which was the reason I got to this point in the first place. Vicious frustration circle...
update
Check your platform version. I have for example Darwin...
Expand a random range from 1–5 to 1–7
...Here is a Python implementation, with a test harness:
import random
rand5_calls = 0
def rand5():
global rand5_calls
rand5_calls += 1
return random.randint(0, 4)
def rand7_gen():
state = 0
pow5 = 1
pow7 = 7
while True:
if state / pow5 == (state + pow7) / pow5:
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What is the difference between __init__ and __call__?
I want to know the difference between __init__ and __call__ methods.
13 Answers
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How to initialize std::vector from C-style array?
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Don't forget that you can treat pointers as iterators:
w_.assign(w, w + len);
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Add swipe to delete UITableViewCell
... and updating the tableview)
}
}
Swift 3.0:
override func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool {
return true
}
override func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCellEditingStyle, forRowAt indexPath: IndexPath) {...