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How does a Java HashMap handle different objects with the same hash code?
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You can find excellent information at http://javarevisited.blogspot.com/2011/02/how-hashmap-works-in-java.html
To Summarize:
HashMap works on the principle of hashing
put(key, value): HashMap stores both key and value object as Map.En...
Is there a generator version of `string.split()` in Python?
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Excellent! I had forgotten about finditer. If one were interested in doing something like splitlines, I would suggest using this RE: '(.*\n|.+$)' str.splitlines chops off the trainling newline though (something that I don't r...
Simultaneously merge multiple data.frames in a list
...the ... argument
reshape::merge_all(list_of_dataframes, ...)
Here is an excellent resource on different methods to merge data frames.
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MySQL 'create schema' and 'create database' - Is there any difference
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Excellent! I assumed schema is a part of a Database instance. Thanks very much!!
– asgs
Jan 1 '16 at 19:26
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Detect 7 inch and 10 inch tablet programmatically
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Excellent tips Sean. I used to check with px for tablets, but in some cases there are problems (Galaxy 3, 4, Note, has equal or more px than Nexus 7). Now I can also check for inch. Here is a list of many popular devices scre...
How is OAuth 2 different from OAuth 1?
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Eran Hammer-Lahav has done an excellent job in explaining the majority of the differences in his article Introducing OAuth 2.0. To summarize, here are the key differences:
More OAuth Flows to allow better support for non-browser based applications. Thi...
Convert a String In C++ To Upper Case
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yes, i am going to install boost just for to_upper... excellent idea! </sarcasm> :)
– thang
May 31 '16 at 16:04
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CSS selector for a checked radio button's label
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Excellent. This is very useful when dealing with the razor situation of <label>@Html.RadioButtonFor(..) someText<label>, I threw <span> around "someText" and it worked like a charm. Thank you!
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SQL query return data from multiple tables
...use a union query
Left and Right Outer Joins (this stackOverflow answer is excellent to describe types of joins)
Intersect queries (and how to reproduce them if your database doesn't support them) - this is a function of SQL-Server (see info) and part of the reason I wrote this whole thing in the fi...
Difference between java.util.Random and java.security.SecureRandom
...are cases where you are only interested in good statistical properties and excellent performance, but you don't really care about security: Monte-Carlo simulations are a good example. I made comments about that in a similar answer, maybe you'll find it useful.
– emboss
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