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Prefer composition over inheritance?
...ng a class which should behave just like another class, but not be substitutable for it (such a class would have all "this class" references replaced with itself).
– supercat
Dec 8 '11 at 16:16
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How to list branches that contain a given commit?
...uery git to find out which branches contain a given commit? gitk will usually list the branches, unless there are too many, in which case it just says "many (38)" or something like that. I need to know the full list, or at least whether certain branches contain the commit.
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Is it possible to get the non-enumerable inherited property names of an object?
... use that and combine it with walking up the prototype chain.
function getAllProperties(obj){
var allProps = []
, curr = obj
do{
var props = Object.getOwnPropertyNames(curr)
props.forEach(function(prop){
if (allProps.indexOf(prop) === -1)
al...
background function in Python
...em is. I've got a function that downloads the image needed and saves it locally. Right now it's run inline with the code that displays a message to the user, but that can sometimes take over 10 seconds for non-local images. Is there a way I could call this function when it's needed, but run it in t...
Can you “ignore” a file in Perforce?
...n of those file-types through using lines like the below in the p4 protect table:
write user * * -//.../*.suo
write user * * -//.../*.obj
write user * * -//.../*.ccscc
I remember doing this before, but I don't have the necessary permissions to test this here. Check out Perforce's Sysadmin guide a...
Python division
...-100 and was having problems only to notice that even with no variables at all, this does not evaluate the way I would expect it to:
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What is the best way to prevent session hijacking?
Specifically this is regarding when using a client session cookie to identify a session on the server.
12 Answers
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Python (and Python C API): __new__ versus __init__
...vs immutable types.
__new__ accepts a type as the first argument, and (usually) returns a new instance of that type. Thus it is suitable for use with both mutable and immutable types.
__init__ accepts an instance as the first argument and modifies the attributes of that instance. This is inappropr...
How to get ER model of database from server with Workbench
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Migrate your DB "simply make sure the tables and columns exist".
Recommended to delete all your data (this freezes MySQL Workbench on my MAC everytime due to "software out of memory..")
Open MySQL Workbench
click + to make MySQL connection
enter credentials...
Getting Django admin url for an object
...e was an easy way to get the admin url of an object, and I had written a small filter that I'd use like this: <a href="{{ object|admin_url }}" .... > ... </a>
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