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Why is there no String.Empty in Java?
...rstand that every time I type the string literal "" , the same String object is referenced in the string pool.
11 Answers
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Rails extending ActiveRecord::Base
I've done some reading about how to extend ActiveRecord:Base class so my models would have some special methods. What is the easy way to extend it (step by step tutorial)?
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Find the files existing in one directory but not in the other [closed]
I'm trying to find the files existing in one directory but not in the other, I tried to use this command:
14 Answers
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Execute unit tests serially (rather than in parallel)
I am attempting to unit test a WCF host management engine that I have written. The engine basically creates ServiceHost instances on the fly based on configuration. This allows us to dynamically reconfigure which services are available without having to bring all of them down and restart them whenev...
Get nested JSON object with GSON using retrofit
I'm consuming an API from my android app, and all the JSON responses are like this:
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Sending an HTTP POST request on iOS
I'm trying to send an HTTP Post with the iOS application that I'm developing but the push never reaches the server although I do get a code 200 as response (from the urlconnection). I never get a response from the server nor does the server detect my posts (the server does detect posts coming from a...
In Python, when to use a Dictionary, List or Set?
When should I use a dictionary, list or set?
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Formatting code snippets for blogging on Blogger [closed]
My blog is hosted on Blogger and I frequently post code snippets in C / C# / Java / XML etc. but I find the snippet gets "mangled".
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Python: Continuing to next iteration in outer loop
I wanted to know if there are any built-in ways to continue to next iteration in outer loop in python. For example, consider the code:
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How do I set the figure title and axes labels font size in Matplotlib?
I am creating a figure in Matplotlib like this:
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