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How to create a density plot in matplotlib?
In R I can create the desired output by doing:
5 Answers
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Sending POST data in Android
I'm experienced with PHP, JavaScript and a lot of other scripting languages, but I don't have a lot of experience with Java or Android.
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Is there a REAL performance difference between INT and VARCHAR primary keys?
Is there a measurable performance difference between using INT vs. VARCHAR as a primary key in MySQL? I'd like to use VARCHAR as the primary key for reference lists (think US States, Country Codes) and a coworker won't budge on the INT AUTO_INCREMENT as a primary key for all tables.
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How to store a list in a column of a database table
So, per Mehrdad's answer to a related question , I get it that a "proper" database table column doesn't store a list. Rather, you should create another table that effectively holds the elements of said list and then link to it directly or through a junction table. However, the type of list I wa...
Request is not available in this context
I'm running IIS 7 Integrated mode and I'm getting
11 Answers
11
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Amazon S3 direct file upload from client browser - private key disclosure
I'm implementing a direct file upload from client machine to Amazon S3 via REST API using only JavaScript, without any server-side code. All works fine but one thing is worrying me...
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Accessing last x characters of a string in Bash
I found out that with ${string:0:3} one can access the first 3 characters of a string. Is there a equivalently easy method to access the last three characters?
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How does Spring Data JPA differ from Hibernate for large projects?
I am having a hard time deciding if I should stick with Hibernate for a new project, or get my feet wet with JPA and the new Spring Data implementation.
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return statement vs exit() in main()
Should I use exit() or just return statements in main() ? Personally I favor the return statements because I feel it's like reading any other function and the flow control when I'm reading the code is smooth (in my opinion). And even if I want to refactor the main() function, having return...
git switch branch without discarding local changes
Alright, lets say one day we make happen to make a bunch of modifications and when we go to commit them we notice we were working on the wrong branch.
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