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Scala type programming resources

... time. I will try to draw parallels between programming at the value-level and programming at the type-level. Paradigms There are two main paradigms in type-level programming: "object-oriented" and "functional". Most examples linked to from here follow the object-oriented paradigm. A good, fairly...
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When do you use map vs flatMap in RxJava?

...em, just throw it with a Non checked exception : RX will call the onError handler for you. Observable.from(jsonFile).map(new Func1<File, String>() { @Override public String call(File file) { try { return new Gson().toJson(new FileReader(file), Object.class); } ...
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Ruby: Merging variables in to a string

...implified the problem too much. The String will be pulled from a database, and the variable dependant a number of factors. Normally I would use a replace for 1 or two varibles, but this has the potential to be more. Any thoughts? – FearMediocrity Feb 16 '09 ...
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How does the MapReduce sort algorithm work?

... power of MapReduce is the Terasort benchmark . I'm having trouble understanding the basics of the sorting algorithm used in the MapReduce environment. ...
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Optimum way to compare strings in JavaScript? [duplicate]

... Unfortunately, stringCompare is not reliable. Opera, IE, Firefox, Chrome and Safari all return 1 for 'dog'.localeCompare('cat'), which is to be expected, and -1 when you reverse the caller and the argument. BUt capital letters behave oddly- 'dog'.localeCompare('Dog') Of the browsers I tested,...
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Non-recursive depth first search algorithm

...ry of the two is quite cool. Update: As pointed out, take_first() removes and returns the first element in the list. share | improve this answer | follow | ...
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How does one make a Zip bomb?

...compress that into a ZIP file, make 10 copies, pack those into a ZIP file, and repeat this process 9 times. This way, you get a file which, when uncompressed completely, produces an absurd amount of data without requiring you to start out with that amount. Additionally, the nested archives make ...
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How to determine the current shell I'm working on

...t to actual shell name in csh or tcsh $ZSH_NAME is set on zsh ksh has $PS3 and $PS4 set, whereas the normal Bourne shell (sh) only has $PS1 and $PS2 set. This generally seems like the hardest to distinguish - the only difference in the entire set of environment variables between sh and ksh we have i...
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Gmail Error :The SMTP server requires a secure connection or the client was not authenticated. The s

...in from different time zone or IP Address Computer. Your production server and the mail id you have used both are in different time zone. Choose either of these two solutions: 1) Log in to production server via remote access, and sign in to gmail once with your credentials. They will ask for the co...
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What is the difference between “INNER JOIN” and “OUTER JOIN”?

Also how do LEFT JOIN , RIGHT JOIN and FULL JOIN fit in? 27 Answers 27 ...