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What is the difference between call and apply?
...rameters be listed explicitly. A useful mnemonic is "A for array and C for comma."
See MDN's documentation on apply and call.
Pseudo syntax:
theFunction.apply(valueForThis, arrayOfArgs)
theFunction.call(valueForThis, arg1, arg2, ...)
There is also, as of ES6, the possibility to spread the array...
Difference between scaling horizontally and vertically for databases [closed]
I have come across many NoSQL databases and SQL databases. There are varying parameters to measure the strength and weaknesses of these databases and scalability is one of them. What is the difference between horizontally and vertically scaling these databases?
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How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
... up an Apache reverse proxy with a Let's Encrypt TLS certificate and write https://your.server everywhere in your app, than to invent some key exchange protocol and get the cryptography libraries on both sides to work together smoothly.
– Perseids
Jul 26 '16 at...
Running Internet Explorer 6, Internet Explorer 7, and Internet Explorer 8 on the same machine
...true-to-browser rendering.
Update: Looks like one of the better ways to accomplish this (if running Windows 7) is using Windows XP mode to set up multiple virtual machines: Testing Multiple Versions of IE on one PC at the IEBlog.
Update 2: (11/2014) There are new solutions since this was last upda...
How to call Android contacts list?
...
}
break;
}
}
Full source code: tutorials-android.blogspot.com (how to call android contacts list).
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Recommended SQL database design for tags or tagging [closed]
...ns to ItemID (seems like a bad idea), Keeping tags in a text column that's comma separated (sounds crazy but could work). I've even heard someone recommend a sparse matrix, but then how do the tag names grow gracefully?
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Increasing client_max_body_size in Nginx conf on AWS Elastic Beanstalk
... work for some EB application types and some work for others.
Supported/recommended in AWS documentation
For some application types, like Java SE, Go, Node.js, and maybe Ruby (it's not documented for Ruby, but all the other Nginx platforms seem to support this), Elasticbeanstalk has a built-in und...
How does JPA orphanRemoval=true differ from the ON DELETE CASCADE DML clause
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What does %~dp0 mean, and how does it work?
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Calling
for /?
in the command-line gives help about this syntax (which can be used outside FOR, too, this is just the place where help can be found).
In addition, substitution of FOR
variable references has been enhanced.
You can now use t...
Convert generic List/Enumerable to DataTable?
...that...
Code:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
public class MyData
{
public int A { get; set; }
public string B { get; set; }
public DateTime C { get; set; }
public decimal D { get; set; }
pu...