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Binary Data in JSON String. Something better than Base64
...t looking at.
As a consequence, if encoding a byte value in the range [0..127] would need only one byte in UTF-8 encoding, encoding a byte value in the range [128..255] would require 2 bytes !
Worse than that. In JSON, control chars, " and \ are not allowed to appear in a string. So the binary data...
How to run only one task in ansible playbook?
...one can use include_role:
playbook test.yml:
- name: test
hosts:
- 127.0.0.1
connection: local
tasks:
- include_role:
name: test
tasks_from: other
then in roles/test/tasks/other.yml:
- name: say something else
shell: echo "I'm the other guy"
And invoke the play...
Streaming a video file to an html5 video player with Node.js so that the video controls continue to
...ontent-Type": "text/html" });
res.end('<video src="http://localhost:8888/movie.mp4" controls></video>');
} else {
var file = path.resolve(__dirname,"movie.mp4");
fs.stat(file, function(err, stats) {
if (err) {
if (err.code === 'ENOENT') {
// 404 Erro...
how to mysqldump remote db from local machine
...ost -u mysql_user -p database_name table_name
To:
mysqldump -P 3310 -h 127.0.0.1 -u mysql_user -p database_name table_name
(do not use localhost, it's one of these 'special meaning' nonsense that probably connects by socket rather then by port)
edit: well, to elaborate: if host is set to loca...
Strange out of memory issue while loading an image to a Bitmap object
...ther than 12MB for the full image (assuming a bitmap configuration of ARGB_8888). Here’s a method to calculate a sample size value that is a power of two based on a target width and height:
public static int calculateInSampleSize(
BitmapFactory.Options options, int reqWidth, int reqHeight...
django admin - add custom form fields that are not part of the model
...arikgitaarik
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Java code To convert byte to Hexadecimal
...
References
JLS 4.2.1 Integral Types and Values
For byte, from -128 to 127, inclusive
JLS 5.1.2 Widening Primitive Conversion
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Apache and Node.js on the Same Server
...tent-Type': 'text/plain'});
res.end('Hello Apache!\n');
}).listen(8000, '127.0.0.1');
Then you can access all Node.JS logic using the /node/ path on your url, the rest of the website can be left to Apache to host your existing PHP pages:
Now the only thing left is convincing your hosting comp...
Using node.js as a simple web server
...h = require("path"),
fs = require("fs"),
port = process.argv[2] || 8888;
http.createServer(function(request, response) {
var uri = url.parse(request.url).pathname
, filename = path.join(process.cwd(), uri);
fs.exists(filename, function(exists) {
if(!exists) {
response.wr...
Is the size of C “int” 2 bytes or 4 bytes?
...form, you can reliably assume the following types:
[8-bit] signed char: -127 to 127
[8-bit] unsigned char: 0 to 255
[16-bit]signed short: -32767 to 32767
[16-bit]unsigned short: 0 to 65535
[32-bit]signed long: -2147483647 to 2147483647
[32-bit]unsigned long: 0 to 4294967295
[64-bit]signed lo...