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How to use Elasticsearch with MongoDB?
I have gone through many blogs and sites about configuring Elasticsearch for MongoDB to index Collections in MongoDB but none of them were straightforward.
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Android static object lifecycle
...ulate in another screen then user can edit search criteria from 3rd screen and goes to 4th screen.
4 Answers
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What is the difference between a cer, pvk, and pfx file?
What is the difference between a cer, pvk, and pfx file? Also, which files do I keep and which am I expected to give to my counter-parties?
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npm install vs. update - what's the difference?
What is the practical difference between npm install and npm update ? When should I use which?
5 Answers
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What are the rules for evaluation order in Java?
I am reading some Java text and got the following code:
5 Answers
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What is the difference between tree depth and height?
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The difference between them is that in one case you count number of nodes and in other number of edges on the shortest path between root and concrete node.
Which is which?
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Remove border from IFrame
...to figure out in JavaScript you just need element.frameBorder=0. no .style and use 0, not '0'
– anderspitman
Aug 2 '14 at 23:34
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Return first match of Ruby regex
I'm looking for a way to perform a regex match on a string in Ruby and have it short-circuit on the first match.
5 Answers
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How to check if BigDecimal variable == 0 in java?
...mal(0) every execution.
FYI, BigDecimal also has constants BigDecimal.ONE and BigDecimal.TEN for your convenience.
Note!
The reason you can't use BigDecimal#equals() is that it takes scale into consideration:
new BigDecimal("0").equals(BigDecimal.ZERO) // true
new BigDecimal("0.00").equals(Big...
Simplest code for array intersection in javascript
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Use a combination of Array.prototype.filter and Array.prototype.includes:
array1.filter(value => array2.includes(value))
For older browsers, with Array.prototype.indexOf and without an arrow function:
array1.filter(function(n) {
return array2.indexOf(n) !== ...