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Why use a prime number in hashCode?
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Because you want the number you are multiplying by and the number of buckets you are inserting into to have orthogonal prime factorizations.
Suppose there are 8 buckets to insert into. If the number you are using to multiply by is some multiple of 8, then the bucket inserted into will only be de...
Check if a given key already exists in a dictionary
I wanted to test if a key exists in a dictionary before updating the value for the key.
I wrote the following code:
16 Answ...
Configuring so that pip install can work from github
We'd like to use pip with github to install private packages to our production servers. This question concerns what needs to be in the github repo in order for the install to be successful.
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How to create a file with a given size in Linux?
...swered Sep 26 '08 at 12:53
Ilya KochetovIlya Kochetov
16.5k66 gold badges4141 silver badges5858 bronze badges
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Load local JSON file into variable
... load a .json file into a variable in javascript, but I can't get it to work. It's probably just a minor error but I can't find it.
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How to use/install gcc on Mac OS X 10.8 / Xcode 4.4
...es > Downloads.
Alternatively, there are stand-alone installation packages both for Mountain Lion (10.8) and for Mavericks (10.9).
This package enables UNIX-style development via Terminal by installing
command line developer tools, as well as Mac OS X SDK frameworks and
headers. Many u...
Case statement with multiple values in each 'when' block
The best way I can describe what I'm looking for is to show you the failed code I've tried thus far:
3 Answers
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Re-entrant locks in C#
Will the following code result in a deadlock using C# on .NET?
4 Answers
4
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Authorize Attribute with Multiple Roles
I would like to add Authorization to a controller, for multiple Roles at once.
5 Answers
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std::shared_ptr thread safety explained
...eletes its copy of the shared pointer will be the one that calls delete (likely in practice this would be the case).
No they do not, the object stored in it can be simultaneously edited by multiple threads.
EDIT: Slight followup, if you want to get an idea of how shared pointers work in general ...