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@nightscape
nightscape / Json.xtext
Last active December 27, 2022 10:30
Xtext grammar for JSON documents
grammar org.json.Json with org.eclipse.xtext.common.Terminals
generate json "http://www.json.org/"
Object:
'{' ((members+=Member) (',' members+=Member)*)? '}';
Member:
key=STRING ':' value=Value;
@iwanbk
iwanbk / gist:2295233
Created April 3, 2012 20:15
TCP Echo Client in Golang
package main
import (
"net"
"os"
)
func main() {
strEcho := "Halo"
servAddr := "localhost:6666"
tcpAddr, err := net.ResolveTCPAddr("tcp", servAddr)
@tjdett
tjdett / MyScalatraServlet.scala
Last active May 24, 2018 05:29
Scala + Apache POI to read uploaded Excel doc
package com.example.app
import org.scalatra._
import servlet.{SizeConstraintExceededException, FileUploadSupport}
import scalate.ScalateSupport
import java.io.ByteArrayInputStream
import org.apache.poi.ss.usermodel.WorkbookFactory
import org.apache.poi.ss.usermodel.Cell
import org.apache.poi.ss.usermodel.DataFormatter
import org.apache.poi.ss.usermodel.DateUtil
@steeve
steeve / _readme.md
Last active July 9, 2024 04:49
How to cross compile Go with CGO programs for a different OS/Arch

How to cross compile Go with CGO programs for a different OS/Arch

It is possible to compile Go programs for a different OS, even though go build says otherwise.

You'll need:

@artem-zinnatullin
artem-zinnatullin / MyApp.java
Last active January 15, 2023 13:04
If you need to set one font for all TextViews in android application you can use this solution. It will override ALL TextView's typefaces, includes action bar and other standard components, but EditText's password font won't be overriden.
public class MyApp extends Application {
@Override
public void onCreate() {
TypefaceUtil.overrideFont(getApplicationContext(), "SERIF", "fonts/Roboto-Regular.ttf"); // font from assets: "assets/fonts/Roboto-Regular.ttf
}
}
package net.colaborativa.exampleapp.api;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.nio.charset.Charset;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
@andelf
andelf / simple_chat.rs
Last active April 13, 2024 15:09
Simple Socket Chat Server in Rust. (TcpListener, TcpStream, SharedChan, RWArc)
extern mod sync;
// str op trait
use std::str::StrSlice;
// for tcp listen
use std::io::{TcpListener, TcpStream};
use std::io::net::ip::SocketAddr;
// for trait
use std::io::{Listener, Writer, Acceptor, Buffer};
// for spawn
@icambridge
icambridge / interface.go
Last active November 1, 2017 00:59
Observer pattern - golang
type TestCallBack struct {
}
func (c *TestCallBack) Exec(o *Observable) {
log.Println(o.Name)
}
type Callback interface {
Exec(h *Observable)
@cletusw
cletusw / .eslintrc
Last active February 29, 2024 20:24
ESLint Reset - A starter .eslintrc file that resets all rules to off and includes a description of what each rule does. From here, enable the rules that you care about by changing the 0 to a 1 or 2. 1 means warning (will not affect exit code) and 2 means error (will affect exit code).
{
// http://eslint.org/docs/rules/
"ecmaFeatures": {
"binaryLiterals": false, // enable binary literals
"blockBindings": false, // enable let and const (aka block bindings)
"defaultParams": false, // enable default function parameters
"forOf": false, // enable for-of loops
"generators": false, // enable generators
"objectLiteralComputedProperties": false, // enable computed object literal property names
@gmarkall
gmarkall / gpumem.py
Created February 24, 2015 14:35
Get memory info for all GPUs in Numba
from numba import cuda
gpus = cuda.gpus.lst
for gpu in gpus:
with gpu:
meminfo = cuda.current_context().get_memory_info()
print("%s, free: %s bytes, total, %s bytes" % (gpu, meminfo[0], meminfo[1]))