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Best ways to teach a beginner to program? [closed]
...rate loops, variables, functions, conditionals, etc. This page provides an excellent tutorial.
After Logo, move to Python or Ruby. I recommend Python, as it's based on ABC, which was invented for the purpose of teaching programming.
When teaching programming, I must second EHaskins's suggestion ...
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...
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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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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Autoincrement VersionCode with gradle extra properties
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A slightly tightened-up version of CommonsWare's excellent answer creates the version file if it doesn't exist:
def Properties versionProps = new Properties()
def versionPropsFile = file('version.properties')
if(versionPropsFile.exists())
versionProps.load(new FileInpu...