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Why use a prime number in hashCode?
I was just wondering why is that primes are used in a class's hashCode() method? For example, when using Eclipse to generate my hashCode() method there is always the prime number 31 used:
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MySQL foreign key constraints, cascade delete
I want to use foreign keys to keep the integrity and avoid orphans (I already use innoDB).
3 Answers
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URLWithString: returns nil
it may be very easy, but I don't seems to find out why is URLWithString: returning nil here.
7 Answers
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Which commit has this blob?
Given the hash of a blob, is there a way to get a list of commits that have this blob in their tree?
7 Answers
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SQL NVARCHAR and VARCHAR Limits
All, I have a large (unavoidable) dynamic SQL query. Due to the number of fields in the selection criteria the string containing the dynamic SQL is growing over 4000 chars. Now, I understand that there is a 4000 max set for NVARCHAR(MAX) , but looking at the executed SQL in Server Profiler for the ...
What's in an Eclipse .classpath/.project file?
We recently had an issue with an Eclipse project for one of our team members. Tomcat was not deploying JARs of the application.
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What is PEP8's E128: continuation line under-indented for visual indent?
Just opened a file with Sublime Text (with Sublime Linter) and noticed a PEP8 formatting error that I'd never seen before. Here's the text:
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What does the @ symbol represent in objective-c?
I'm learning objective-c and keep bumping into the @ symbol. It is used in different scenarios, for example at the start of a string or to synthesise accessor methods.
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Difference between CPPFLAGS and CXXFLAGS in GNU Make
What's the difference between CPPFLAGS and CXXFLAGS in GNU Make?
4 Answers
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nginx upload client_max_body_size issue
I'm running nginx/ruby-on-rails and I have a simple multipart form to upload files.
Everything works fine until I decide to restrict the maximum size of files I want uploaded.
To do that, I set the nginx client_max_body_size to 1m (1MB) and expect a HTTP 413 (Request Entity Too Large) status in...