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Parsing huge logfiles in Node.js - read in line-by-line
... reading the CSV like inserting to DB, or a HTTP request
Reading in chunks/batche sizes that
user can declare. I took care of encoding in the stream too, in case
you have files in different encoding.
Here's the code:
'use strict'
const fs = require('fs'),
util = require('util'),
stream =...
How to install node.js as windows service?
...
If you try to start pm2 using a batch script on startup, be sure to include the environment variables or it will not work. Discussed here: github.com/Unitech/pm2/issues/1079
– steampowered
May 11 '16 at 15:02
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In which scenario do I use a particular STL container?
...le stick to the most often used container and misuse it for storing lists, queues, ... In my oppinion - which matches the flowchart - one should choose the container based on the intended use instead of applying the "one seems to fit all".
– Black
Apr 13 '12 at...
What is a deadlock?
...at won't become free, no matter how long you wait, because of the circular queue.
– Keith
Sep 28 '17 at 19:37
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With Mercurial, how can I “compress” a series of changesets into one before pushing?
...p <first>.diff
-- remove all except for the first patch from the queue
-- note: mq names patches <#>.diff when it imports them, so we're using that here
hg qfold <next>.diff
-- where <next> is <first>+1, then <first>+2, until you've reached <last&g...
send/post xml file using curl command line
...you can POST XML on Windows using curl command line on Windows. Better use batch/.cmd file for that:
curl -i -X POST -H "Content-Type: text/xml" -d ^
"^<?xml version=\"1.0\" encoding=\"UTF-8\" ?^> ^
^<Transaction^> ...
How to set a Timer in Java?
... interface. TimerTask just an abstract class.
– User8500049
May 26 at 12:55
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NSURLRequest setting the HTTP header
...ion sendAsynchronousRequest:request
queue:[NSOperationQueue mainQueue]
completionHandler:^(NSURLResponse *response,
NSData *data, NSError *connectionError)
{
...
Redis cache vs using memory directly
...provides various data structures, various item eviction policies, blocking queues, pub/sub, atomicity, Lua scripting, etc ...
Redis can replicate its activity with a master/slave mechanism in order to implement high-availability.
Basically, if you need your application to scale on several nodes sh...
Can every recursion be converted into iteration?
...sal can be done using a stack, breadth-first traversal can be done using a queue.
So, the answer is: yes. Why: https://stackoverflow.com/a/531721/2128327.
Can any recursion be done in a single loop? Yes, because
a Turing machine does everything it does by executing a single loop:
fetch an instru...