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Write a program to find 100 largest numbers out of an array of 1 billion numbers

...gh the billion numbers, whenever you encounter a number greater than the smallest number in the queue (the head of the queue), remove the head of the queue and add the new number to the queue. EDIT: as Dev noted, with a priority queue implemented with a heap, the complexity of insertion to queue is...
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Is there a faster/shorter way to initialize variables in a Rust struct?

...s one additional statement for each field to assign a value to the fields. All I want to be able to do is to assign default values when the struct is instantiated. ...
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Java Reflection Performance

Does creating an object using reflection rather than calling the class constructor result in any significant performance differences? ...
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Difference between decimal, float and double in .NET?

...n a decimal form, and expect exact results in decimal representations; not all decimal numbers are exactly representable in binary floating point – 0.1, for example – so if you use a binary floating point value you'll actually get an approximation to 0.1. You'll still get approximations when usi...
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What's the difference between the various methods to get a Context?

...ion about contexts as well: In a regular Android application, you usually have two kinds of Context, Activity and Application. Reading the article a little bit further tells about the difference between the two and when you might want to consider using the application Context (Activity.get...
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Why does calling a function in the Node.js REPL with )( work?

Why is it possible to call function in JavaScript like this, tested with node.js: 3 Answers ...
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1114 (HY000): The table is full

...data1:10M:autoextend:max:512M you cannot host more than 512MB of data in all innodb tables combined. Maybe you should switch to an innodb-per-table scheme using innodb_file_per_table. share | imp...
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Get a list of checked checkboxes in a div using jQuery

... Unnecessary call of constructor var selected = new Array();. Better (cheaper) with var selected = []; – Pono Mar 17 '14 at 22:45 ...
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Checking length of dictionary object [duplicate]

... What I do is use Object.keys() to return a list of all the keys and then get the length of that Object.keys(dictionary).length share | improve this answer | ...
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How to display HTML tags as plain text [duplicate]

I have an input form on my website where HTML is allowed and I'm trying to add instructions about the use of HTML tags. I'd like the text to ...