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How to do Base64 encoding in node.js?
...se64 = require('nodejs-base64-converter');
console.log(nodeBase64.encode("test text")); //dGVzdCB0ZXh0
console.log(nodeBase64.decode("dGVzdCB0ZXh0")); //test text
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Best way to compare two complex objects
... a huge cost. You're generating a data stream, appending strings, and then testing string equality. Orders of magnitude, just in that. Not to mention serialization is going to be using reflection by default.
– Jerome Haltom
May 19 '17 at 15:06
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How do I achieve the theoretical maximum of 4 FLOPs per cycle?
...doesn't have enough registers for this to compile well.
This code has been tested to work well on Visual Studio 2010/2012 and GCC 4.6.ICC 11 (Intel Compiler 11) surprisingly has trouble compiling it well.
These are for pre-FMA processors. In order to achieve peak FLOPS on Intel Haswell and AMD Bulld...
Optimal number of threads per core
...cause some performance degradation.
Not long ago, I was doing performance testing on a 2 quad-core machine running an ASP.NET application on Mono under a pretty decent load. We played with the minimum and maximum number of threads and in the end we found out that for that particular application in ...
How do I simulate a hover with a touch in touch enabled browsers?
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No it triggers the click on first touch still. I just tested it.
– Jack
Apr 22 '16 at 15:39
Aweso...
Android: Coloring part of a string using TextView.setText()?
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I hope this helps you (it works with multi language).
<string name="test_string" ><![CDATA[<font color="%1$s"><b>Test/b></font>]]> String</string>
And on your java code, you can do:
int color = context.getResources().getColor(android.R.color.holo_blue_li...
Force DOM redraw/refresh on Chrome/Mac
...browser aka the whole point of the method. (And if I remember correctly, I tested it back then.)
– zupa
Nov 17 '14 at 9:45
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What does an exclamation mark mean in the Swift language?
...t basically tells the compiler "I know this has a value, you don't need to test for it". If you didn't want to use it, you could conditionally test for it:
if let otherPerson = john {
otherPerson.apartment = number73
}
The interior of this will only evaluate if john has a value.
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How to replace an entire line in a text file by line number
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Not the greatest, but this should work:
sed -i 'Ns/.*/replacement-line/' file.txt
where N should be replaced by your target line number. This replaces the line in the original file. To save the changed text in a different file, drop t...
Get the index of the nth occurrence of a string?
...t.IndexOfNth(value, idx + 1, --nth);
}
Also, here are some (MBUnit) unit tests that might help you (to prove it is correct):
using System;
using MbUnit.Framework;
namespace IndexOfNthTest
{
[TestFixture]
public class Tests
{
//has 4 instances of the
private const str...