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How would you implement an LRU cache in Java?
...t more ingrained in my head.
So here is the simplest version with a unit test that shows it works based on some other versions.
First the non-concurrent version:
import java.util.LinkedHashMap;
import java.util.Map;
public class LruSimpleCache<K, V> implements LruCache <K, V>{
...
How do I manipulate a variable whose name conflicts with PDB commands?
...e an exclamation mark ! before a statement to have it run :
python -m pdb test.py
> /home/user/test.py(1)<module>()
-> print('foo')
(Pdb) !n = 77
(Pdb) !n
77
(Pdb) n
foo
> /home/user/test.py(2)<module>()
-> print('bar')
(Pdb)
The docs say:
! statement
Execute the ...
How to measure elapsed time in Python?
...
Given a function you'd like to time,
test.py:
def foo():
# print "hello"
return "hello"
the easiest way to use timeit is to call it from the command line:
% python -mtimeit -s'import test' 'test.foo()'
1000000 loops, best of 3: 0.254 usec per loo...
When creating HTML emails, should we use html, head, body tags?
...
-1 The right way is to test it in the relevant clients. While mail clients should follow the standards, virtually none of them do.
– Dan Blows
Jan 6 '12 at 17:50
...
com.jcraft.jsch.JSchException: UnknownHostKey
...HostKeyChecking" (this introduces insecurities and should only be used for testing purposes), using the following code:
java.util.Properties config = new java.util.Properties();
config.put("StrictHostKeyChecking", "no");
session.setConfig(config);
Option #1 (adding the host to the ~/.ssh/known_...
Media Player called in state 0, error (-38,0)
...
This is my code,tested and working fine:
package com.example.com.mak.mediaplayer;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.app.Activity;
public clas...
Find object by id in an array of JavaScript objects
...irst value in the array, if an element in the array satisfies the provided testing function. Otherwise undefined is returned.
If you want to find its index instead, use findIndex():
myArray.findIndex(x => x.id === '45');
From MDN:
The findIndex() method returns the index of the first e...
How to solve “Could not establish trust relationship for the SSL/TLS secure channel with authority”
...h etc).
at least you can circumvent problems during development when using test certificates.
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ASP.NET Web Site or ASP.NET Web Application?
...the programmers write the application, the application is then built. The test team tests the application on the test system. Then the customer installs the applications. That LAST think you want is anyone making live changes!
– Ian Ringrose
Jun 23 '09 at 21...
Convert Iterator to ArrayList
... ArrayList<Element> (or List<Element> ) in the best and fastest way possible, so that we can use ArrayList 's operations on it such as get(index) , add(element) , etc.
...