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What integer hash function are good that accepts an integer hash key?
...e order of your hash size (2^32 in the example) and has no common factors with it. This way the hash function covers all your hash space uniformly.
Edit: The biggest disadvantage of this hash function is that it preserves divisibility, so if your integers are all divisible by 2 or by 4 (which is no...
If isset $_POST
I have a form on one page that submits to another page. There, it checks if the input mail is filled. If so then do something and if it is not filled, do something else. I don't understand why it always says that it is set, even if I send an empty form. What is missing or wrong?
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What's the _ underscore representative of in Swift References?
...
Both answers were correct but I want to clarify a little bit more.
_ is used to modify external parameter name behavior for methods.
In Local and External Parameter Names for Methods section of the documentation, it says:
Swift gives the first parameter name in a method...
How can I remove an element from a list, with lodash?
...);
Alternatively, you can create a new array by filtering the old one with _.filter and assign it to the same object, like this
obj.subTopics = _.filter(obj.subTopics, function(currentObject) {
return currentObject.subTopicId !== stToDelete;
});
Or
obj.subTopics = _.filter(obj.subTopics,...
Adding git branch on the Bash command prompt
I tried adding the git branch I'm currently working on (checked-out) on the bash prompt without success.. ( while keeping my current path which shows the active directory/file intact)
I have a .bashrc file on my home, but I also saw many people mentioning the .profile file..
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How to manage local vs production settings in Django?
...s to static files) need to remain different, and hence should not be overwritten every time the new code is deployed.
22 An...
How to avoid explicit 'self' in Python?
... is there's never any confusion over what's a member and what's not, even without the full class definition visible. This leads to useful properties, such as: you can't add members which accidentally shadow non-members and thereby break code.
One extreme example: you can write a class without any ...
How do you properly determine the current script directory in Python?
...name(os.path.abspath(__file__))
is indeed the best you're going to get.
It's unusual to be executing a script with exec/execfile; normally you should be using the module infrastructure to load scripts. If you must use these methods, I suggest setting __file__ in the globals you pass to the script...
Calling a class function inside of __init__
I'm writing some code that takes a filename, opens the file, and parses out some data. I'd like to do this in a class. The following code works:
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What is an alternative to execfile in Python 3?
It seems they canceled in Python 3 all the easy way to quickly load a script by removing execfile()
12 Answers
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