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Node.js: what is ENOSPC error and how to solve?
...sed inotify watch takes up 540 bytes (32-bit system), or 1 kB (double - on 64-bit). This comes out of kernel memory, which is unswappable. So, assuming you set the max at 524288, and all were used (improbable), you'd be using approx. 256MB/512MB of 32-bit/64-bit kernel memory.
–...
How do I create a unique ID in Java? [duplicate]
...String toIDString(long i) {
char[] buf = new char[32];
int z = 64; // 1 << 6;
int cp = 32;
long b = z - 1;
do {
buf[--cp] = DIGITS66[(int)(i & b)];
i >>>= 6;
} while (i != 0);
return new String(buf, cp, (32-cp));
}
...
Render HTML to an image
...
@Subho it's a String containing the URL with base64-encoded data
– tsayen
Feb 14 '17 at 16:00
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show 14 more c...
How to change port number for apache in WAMP
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vishal_gvishal_g
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How to record webcam and audio using webRTC and a server-based Peer connection
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You can use RecordRTC-together, which is based on RecordRTC.
It supports recording video and audio together in separate files. You will need tool like ffmpeg to merge two files into one on server.
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Gcc error: gcc: error trying to exec 'cc1': execvp: No such file or directory
...pine environment
If you are in docker-alpine environment install the build-base package by adding this to your Dockerfile:
RUN apk add build-base
Better package name provided by Pablo Castellano. More details here.
If you need more packages for building purposes, consider adding of the alpine-sdk p...
How to define a circle shape in an Android XML drawable file?
...droid:width="200dp"
android:height="200dp"
android:viewportHeight="64"
android:viewportWidth="64">
<path
android:fillColor="#ff00ff"
android:pathData="M22,32
A10,10 0 1,1 42,32
A10,10 0 1,1 22,32 Z" />
</vector>
The above xml renders ...
Your content must have a ListView whose id attribute is 'android.R.id.list'
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Exact way I fixed this based on feedback above since I couldn't get it to work at first:
activity_main.xml:
<?xml version="1.0" encoding="utf-8"?>
<ListView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width=...
What does the X-SourceFiles header do?
...rstood by certain debugging modules in IIS / IIS Express. It contains the base64-encoded path to the source file on disk and is used to link a page's generated output back to that source file. It's only generated for localhost requests, so you don't need to worry about it being displayed to the wo...
How does C compute sin() and other math functions?
..., this is the code that actually runs when you call sin() on a typical x86-64 Linux system. It is apparently faster than the fsin assembly instruction. Source code: sysdeps/ieee754/dbl-64/s_sin.c, look for __sin (double x).
This code is very complex. No one software algorithm is as fast as possible...