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#define _GNU_SOURCE
#include <errno.h>
#include <sched.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
// insecure implementation, the session key cookie should be Secure and HttpOnly in a final version
import (
"database/sql"
_ "github.com/lib/pq"
)
type DB struct {
*sql.DB
@paulo-raca
paulo-raca / unicode_input.py
Last active February 18, 2023 22:56
Using UInput to enter unicode text
from evdev import UInput, ecodes as e
import time
# This class sends CTRL+SHIFT+U+<HEXCODE> sequences to produces arbitrary unicode characters.
# It works fine on Gnome applications, but not on KDE
# in https://en.wikipedia.org/wiki/Unicode_input#In_X11_.28Linux_and_other_Unix_variants.29
class UnicodeInput:
def __init__(self):
keys = [
e.KEY_LEFTCTRL,
@cfilipov
cfilipov / PhoneWords.swift
Created November 24, 2015 22:42
Generating Phone Words in Swift
/*:
## Phone Words
Generate a collection of words that can be represented by a given phone number. If a phone number contains the digits `1` or `0` then split up the phone number and find the words for each of the substrings as long as each substring has more than one digit. Non-keypad characters can be ignored. Optionally, filter out words so that only dictionary words are present in the result.
╔═════╦═════╦═════╗
║ 1 ║ 2 ║ 3 ║
║ ║ abc ║ def ║
╠═════╬═════╬═════╣
║ 4 ║ 5 ║ 6 ║
@JeOam
JeOam / Animation.md
Last active July 11, 2024 03:30
iOS Core Animation: Advanced Techniques, Part 1: The Layer Beneath

Author: https://www.cyanhall.com/

1. The Layer Tree

Core Animation's original name is Layer Kit

Core Animation is a compositing engine; its job is to compose different pieces of visual content on the screen, and to do so as fast as possible. The content in question is divided into individual layers stored in a hierarchy known as the layer tree. This tree forms the underpinning for all of UIKit, and for everything that you see on the screen in an iOS application.

In UIView, tasks such as rendering, layout and animation are all managed by a Core Animation class called CALayer. The only major feature of UIView that isn’t handled by CALayer is user interaction.

There are four hierarchies, each performing a different role:

@natecook1000
natecook1000 / CalculatorView.swift
Last active June 6, 2022 01:00
An IBInspectable Calculator Construction Set
// CalculatorView.swift
// as seen in http://nshipster.com/ibinspectable-ibdesignable/
//
// (c) 2015 Nate Cook, licensed under the MIT license
/// The alignment for drawing an String inside a bounding rectangle.
enum NCStringAlignment {
case LeftTop
case CenterTop
case RightTop
@ShamylZakariya
ShamylZakariya / debounce.swift
Created September 4, 2014 21:01
Simple Swift Debouncer
func debounce( delay:NSTimeInterval, #queue:dispatch_queue_t, action: (()->()) ) -> ()->() {
var lastFireTime:dispatch_time_t = 0
let dispatchDelay = Int64(delay * Double(NSEC_PER_SEC))
return {
lastFireTime = dispatch_time(DISPATCH_TIME_NOW,0)
dispatch_after(
dispatch_time(
DISPATCH_TIME_NOW,
@kristopherjohnson
kristopherjohnson / dispatch_once.swift
Created August 12, 2014 16:25
Example of using dispatch_once() in Swift
import Foundation
var token: dispatch_once_t = 0
func test() {
dispatch_once(&token) {
println("This is printed only on the first call to test()")
}
println("This is printed for each call to test()")
}
@kainosnoema
kainosnoema / channel-example.swift
Last active August 30, 2023 04:34
Golang-like concurrency semantics in Swift
import Foundation
go(println("in a thread"))
// buffered channel
var c = Chan(buffer:20)
// sending routing
go {
while(true) {
@iamnewton
iamnewton / bash-colors.md
Last active July 10, 2024 19:49
The entire table of ANSI color codes.

Regular Colors

Value Color
\e[0;30m Black
\e[0;31m Red
\e[0;32m Green
\e[0;33m Yellow
\e[0;34m Blue
\e[0;35m Purple