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How would you implement an LRU cache in Java?
...t;code>Entry</code> in question; this implementation doesn't care what it is, since the
* implementation is only dependent on the size of the cache
* @return <tt>true</tt> if the oldest
* @see java.util.LinkedHashMap#removeEldestEntry(Map.Entry)
*/...
Determine if code is running as part of a unit test
... might want to ask a new question with all of your specific requirements. (What's the difference between "your code calling from a console application" and "a test runner" for example? How would you want to distinguish between your console application and any other console-based test runner?)
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Where do alpha testers download Google Play Android apps?
...vite, and then there is a little bit of a wait before the link works. Somewhat annoying - should be largely immediate.
– Anthony Horne
May 3 '15 at 19:44
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Count the number of occurrences of a character in a string in Javascript
...length); //logs 4
jsfiddle
Use a regular expression literal if you know what you are searching for beforehand, if not you can use the RegExp constructor, and pass in the g flag as an argument.
match returns null with no results thus the || []
The original answer I made in 2009 is below. It crea...
How can I mock requests and the response?
...am trying to use Pythons mock package to mock Pythons requests module. What are the basic calls to get me working in below scenario?
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SQL - Select first 10 rows only?
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What's the difference between limit 0, 10 and limit 10? And why doesn't limit 10, 20 give me 10 rows between the 10th and 20th rows? EDIT: Oh, so limit 10, 20 means give me 20 rows after the 10th row. If I want rows between ...
Simple way to calculate median with MySQL
What's the simplest (and hopefully not too slow) way to calculate the median with MySQL? I've used AVG(x) for finding the mean, but I'm having a hard time finding a simple way of calculating the median. For now, I'm returning all the rows to PHP, doing a sort, and then picking the middle row, but ...
How to avoid variable substitution in Oracle SQL Developer with 'trinidad & tobago'
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What (else) does set define off; do?
– Xonatron
Mar 16 '12 at 18:54
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Why is there no GIL in the Java Virtual Machine? Why does Python need one so bad?
I'm hoping someone can provide some insight as to what's fundamentally different about the Java Virtual Machine that allows it to implement threads nicely without the need for a Global Interpreter Lock (GIL), while Python necessitates such an evil.
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Java Hashmap: How to get key from value?
...ow can I get the corresponding key? Do I have to loop through the hashmap? What is the best way to do that?
34 Answers
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