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Javascript event handler with parameters
... advantages of function closures:
function addClickHandler(elem, arg1, arg2) {
elem.addEventListener('click', function(e) {
// in the event handler function here, you can directly refer
// to arg1 and arg2 from the parent function arguments
}, false);
}
Depending upon your...
How to round up a number to nearest 10?
...
220
floor() will go down.
ceil() will go up.
round() will go to nearest by default.
Divide b...
How can I print variable and string on same line in Python?
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271
Use , to separate strings and variables while printing:
print "If there was a birth every 7 se...
How to send only one UDP packet with netcat?
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205
If you are using bash, you might as well write
echo -n "hello" >/dev/udp/localhost/8000
...
Use numpy array in shared memory for multiprocessing
...any processes access different slices of the same array
assert M % 2 # odd
step = N // 10
p.map_async(g, [slice(i, i + step) for i in range(stop_f, N, step)])
p.join()
assert np.allclose(((-1)**M)*tonumpyarray(shared_arr), arr_orig)
def init(shared_arr_):
global ...
How to apply bindValue method in LIMIT clause?
...
Stephen CurranStephen Curran
7,19722 gold badges2727 silver badges2222 bronze badges
...
Difference between object and class in Scala
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592
tl;dr
class C defines a class, just as in Java or C++.
object O creates a singleton object O a...
The name 'InitializeComponent' does not exist in the current context
If I create a new project in Visual Studio 2010 SP1 and select "WPF Application" and tries to build the generated application, I get the error
...
How can I permanently enable line numbers in IntelliJ?
...
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