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When would you use the different git merge strategies?
...e is the default for non-fast-forward merges. We're all familiar with that one.
Octopus
I've used octopus when I've had several trees that needed to be merged. You see this in larger projects where many branches have had independent development and it's all ready to come together into a single he...
List passed by ref - help me explain this behaviour
...ed myList.Sort();
Finally, when you did: myList' = myList2, you lost the one of the reference but not the original and the collection stayed sorted.
If you use by reference (ref) then myList' and myList will become the same (only one reference).
Note: I use myList' to represent the parameter t...
How to add a new row to an empty numpy array
...ray in advance. Do you think you can do that? Appending should really be a one or two time operation.
– askewchan
Dec 7 '16 at 16:40
...
Deep copying an NSArray
...ple documentation about deep copies explicitly states:
If you only need a one-level-deep copy:
NSMutableArray *newArray = [[NSMutableArray alloc]
initWithArray:oldArray copyItems:YES];
The above code creates a new array whose members are shallow copies of the members...
Signal handling with multiple threads in Linux
...e executed. Once it's executed, control will return, assuming you haven't done anything to alter the normal flow (exit etc).
– Alan
Jul 26 '12 at 23:54
...
CSS: Change image src on img:hover
...moticon_12-128.png" />
</a>
CSS
a img:last-child {
display: none;
}
a:hover img:last-child {
display: block;
}
a:hover img:first-child {
display: none;
}
jsfiddle: https://jsfiddle.net/m4v1onyL/
Note that the images used are of the same dimensions for proper display. Also,...
Why exactly is eval evil?
...
There are several reasons why one should not use EVAL.
The main reason for beginners is: you don't need it.
Example (assuming Common Lisp):
EVALuate an expression with different operators:
(let ((ops '(+ *)))
(dolist (op ops)
(print (eval (list op 1...
What does asterisk * mean in Python? [duplicate]
...ng to a new
empty dictionary.
Also, see Function Calls.
Assuming that one knows what positional and keyword arguments are, here are some examples:
Example 1:
# Excess keyword argument (python 2) example:
def foo(a, b, c, **args):
print "a = %s" % (a,)
print "b = %s" % (b,)
print "...
Checking a Python module version at runtime
...e file name, pkg_resources might pick up a different version shadowing the one you are actually running because it has higher precedence on your PYTHONPATH or similar.
– tripleee
Feb 12 '14 at 10:58
...
Finding local maxima/minima with Numpy in a 1D numpy array
...
Thank you, this is one of the best solutions I have found so far
– Noufal E
May 13 at 13:15
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