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tomkowz / AsyncBlockOperation.swift
Created May 9, 2017 06:48
Asynchronous NSBlockOperation
import Foundation
class AsyncBlockOperation: NSOperation {
typealias Block = (Void -> Void) -> Void
private let block: Block
private var _executing = false
private var _finished = false
init(block: Block) {
std::vector<SourceFile*> static_files = this->_source.static_files();
for (auto it_file = static_files.begin(); it_file != static_files.end(); ++it_file) {
// for (auto it_file = this->_source.static_files().begin(); it_file != this->_source.static_files().end(); ++it_file) {
@tomkowz
tomkowz / custom-stirng-convertible.swift
Last active January 19, 2018 10:20
CustomStringConvertible
struct Position {
var x: Int = 0
var y: Int = 0
func string() -> String {
return "(\(x), \(y))"
}
}
// CustomStringConvertible provides "description" property.
import numpy as np
import time
def loss_i(x_i, y, W):
delta = 1
scores_i = np.dot(W, x_i)
margin = 0
for j in range(scores_i.shape[0]):
if j == y:
def loss(X, Y, W):
delta = 1
scores = np.dot(W, X.T)
rows = np.arange(Y.shape[0])
margins = np.maximum(0, scores - scores[Y, rows] + delta)
# Find indices that need to be set to zero.
# Case when j == y in loss_i_v.
#define TRIGGER1 2
#define ECHO1 3
#define TRIGGER2 4
#define ECHO2 5
void setup() {
pinMode(TRIGGER1,OUTPUT);
pinMode(ECHO1,INPUT);
pinMode(TRIGGER2,OUTPUT);
pinMode(ECHO2,INPUT);
@tomkowz
tomkowz / Vector.m
Last active October 18, 2016 17:38
Vector implementation in Objective-C
#import "Vector.h"
@interface Vector ()
@property (nonatomic, assign) uint count;
@property (nonatomic, assign) size_t size;
@property (nonatomic, assign) void **storage;
@end
@implementation Vector
/*
Erica Sadun, http://ericasadun.com
Basic Errors
*/
import Foundation
/// A basic utility error type that stores the reason for
override func viewDidLoad() {
super.viewDidLoad()
configureGestureRecognizer()
RestKitManager.getChannelToken(channel.name) { token in
if let token = token {
let params = "player=twitchweb&token=\(token.token)&sig=\(token.sig)&allow_source=true&type=any&p=3633125"
let views = ["v1": v1, "super": self.view]
self.view.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("H:[super]-(<=0)-[v1(50)]", options: .AlignAllCenterY, metrics: nil, views: views))
self.view.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:[super]-(<=0)-[v1(100)]", options: .AlignAllCenterX, metrics: nil, views: views))