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Parsing huge logfiles in Node.js - read in line-by-line
... asynchronous job is chained to 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 ...
Change text color based on brightness of the covered background area?
...Math.random() * 255);
rgb[2] = Math.round(Math.random() * 255);
// http://www.w3.org/TR/AERT#color-contrast
const brightness = Math.round(((parseInt(rgb[0]) * 299) +
(parseInt(rgb[1]) * 587) +
(parseInt(rgb[2]) * 114)) / 1000);
const textCo...
How to set up Android emulator proxy settings
...tion > App > Target > Additional Emulator Command Line Options: -http-proxy http://xx.xxx.xx.xx:8080
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Is there a way to run Python on Android?
...ode = droid.scanBarcode()
isbn = int(code['result']['SCAN_RESULT'])
url = "http://books.google.com?q=%d" % isbn
droid.startActivity('android.intent.action.VIEW', url)
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const vs constexpr on variables
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
“please check gdb is codesigned - see taskgated(8)” - How to get gdb installed with homebrew code si
...
$ sudo killall taskgated
$ codesign -fs gdb-cert "$(which gdb)"
source http://andresabino.com/2015/04/14/codesign-gdb-on-mac-os-x-yosemite-10-10-2/
On macOS 10.12 (Sierra) and later, you must also
Use gdb 7.12.1 or later
Additionally prevent gdb from using a shell to start the program to be de...
In Django, how does one filter a QuerySet with dynamic field lookups?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Application_Error not firing when customerrors = “On”
...being invoked...
Global.asax.cs
public class MvcApplication : System.Web.HttpApplication
{
public static void RegisterGlobalFilters(GlobalFilterCollection filters)
{
filters.Add(new HandleErrorAttribute()); // this line is the culprit
}
...
}
By default (when a new project is...
How do I get the different parts of a Flask request's url?
...hrough several Request fields:
A user requests the following URL:
http://www.example.com/myapplication/page.html?x=y
In this case the values of the above mentioned attributes would be the following:
path /page.html
script_root /myapplication
base_url ...
How to install mongoDB on windows?
... not an installation it’s just Downloading…
I. Download the zip file http://www.mongodb.org/downloads
II. Extract it and copy the files into your desired location.
III. Start the DB engine.
IV. Test the installation and use it.
That's it! So simple, right? Ok let’s start
1. Download the z...