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@bert
bert / pango_layout_word_wrap.c
Created December 23, 2009 05:28
Pango layout word wrap example
/*!
* \file pango_layout_word_wrap.c
* \brief pango layout word wrap
*
* \author Ben Pfaff http://benpfaff.org
*
* In working with Pango I found an oddity that I do not understand.
* It may be a bug, or it might just be my misunderstanding.
*
* As part of a table layout procedure for printing, my code wishes to find out
@guohai
guohai / ArcTranslateAnimation.java
Created April 3, 2012 16:55
Curved Path Animation in Android
import android.graphics.PointF;
import android.view.animation.Animation;
import android.view.animation.Transformation;
// http://www.math.ubc.ca/~cass/gfx/bezier.html
public class ArcTranslateAnimation extends Animation {
private int mFromXType = ABSOLUTE;
private int mToXType = ABSOLUTE;
@DavidWittman
DavidWittman / iptables-nat.md
Created September 29, 2012 20:38
iptables n'at

iptables n'at

Source NAT

Source NAT changes the source address in IP header of a packet. It may also change the source port in the TCP/UDP headers. The typical usage is to change the a private (rfc1918) address/port into a public address/port for packets leaving your network. Available only in the POSTROUTING chain in iptables.

Syntax

iptables -t nat -A POSTROUTING -i eth1 -j SNAT --to-source 1.2.3.4[:port]

Example

@steipete
steipete / PSPDFUIKitMainThreadGuard.m
Last active October 30, 2025 15:53
This is a guard that tracks down UIKit access on threads other than main. This snippet is taken from the commercial iOS PDF framework http://pspdfkit.com, but relicensed under MIT. Works because a lot of calls internally call setNeedsDisplay or setNeedsLayout. Won't catch everything, but it's very lightweight and usually does the job.You might n…
// Taken from the commercial iOS PDF framework http://pspdfkit.com.
// Copyright (c) 2014 Peter Steinberger, PSPDFKit GmbH. All rights reserved.
// Licensed under MIT (http://opensource.org/licenses/MIT)
//
// You should only use this in debug builds. It doesn't use private API, but I wouldn't ship it.
// PLEASE DUPE rdar://27192338 (https://openradar.appspot.com/27192338) if you would like to see this in UIKit.
#import <objc/runtime.h>
#import <objc/message.h>
@xalexchen
xalexchen / ShadowLayout.java
Last active June 14, 2021 23:30
Android custom layout paints a drop shadow behind all children
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BlurMaskFilter;
import android.graphics.BlurMaskFilter.Blur;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.graphics.Rect;
import android.graphics.RectF;
@zer4tul
zer4tul / hacker-howto.md
Last active July 21, 2025 12:25
Simplified Chinese edition of ESR's How To Become A Hacker
@protrolium
protrolium / ffmpeg.md
Last active March 5, 2026 17:11
ffmpeg guide

ffmpeg

Converting Audio into Different Formats / Sample Rates

Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma

You can get the list of supported formats with:
ffmpeg -formats

You can get the list of installed codecs with:

@chrisnc
chrisnc / rawudp.go
Last active April 7, 2025 13:30
constructing ip/udp packets in go
package main
import (
"bufio"
"bytes"
"encoding/binary"
"flag"
"fmt"
"net"
"os"
@aparrish
aparrish / understanding-word-vectors.ipynb
Last active December 18, 2025 05:55
Understanding word vectors: A tutorial for "Reading and Writing Electronic Text," a class I teach at ITP. (Python 2.7) Code examples released under CC0 https://creativecommons.org/choose/zero/, other text released under CC BY 4.0 https://creativecommons.org/licenses/by/4.0/
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@Ristovski
Ristovski / boost_bypass.c
Last active February 9, 2026 19:18
/*
IMPORTANT: Driver 580.105.08: https://www.nvidia.com/en-us/drivers/details/257493/
> Added a new environment variable, CUDA_DISABLE_PERF_BOOST, to allow for disabling
the default behavior of boosting the GPU to a higher power state when running
CUDA applications. Setting this environment variable to '1' will disable the boost.
CUDA perfboost bypass, distributed under MIT License
-- @Ristovski