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@ylem
ylem / CenterItemInCollectionView.playground
Last active October 22, 2024 04:04
Scrolling item on a horizontal UICollectionView, stopped item on center of screen.
//: Playground - noun: a place where people can play
import UIKit
import PlaygroundSupport
class WLCollectionCell: UICollectionViewCell {
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
@nor0x
nor0x / shadow+cornerradius.swift
Created December 22, 2016 17:23
UICollectionViewCell -> Corner Radius AND Shadow
func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
cell.contentView.layer.cornerRadius = 2.0
cell.contentView.layer.borderWidth = 1.0
cell.contentView.layer.borderColor = UIColor.clear.cgColor
cell.contentView.layer.masksToBounds = true;
cell.layer.shadowColor = UIColor.lightGray.cgColor
cell.layer.shadowOffset = CGSize(width:0,height: 2.0)
cell.layer.shadowRadius = 2.0
cell.layer.shadowOpacity = 1.0
@granturing
granturing / reactive_map.js
Last active November 14, 2022 04:28
Sample reactive Leaflet code for Zeppelin
<!-- place this in an %angular paragraph -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.5/leaflet.css" />
<div id="map" style="height: 800px; width: 100%"></div>
<script type="text/javascript">
function initMap() {
var map = L.map('map').setView([30.00, -30.00], 3);
L.tileLayer('http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
@tsiege
tsiege / The Technical Interview Cheat Sheet.md
Last active November 14, 2024 15:40
This is my technical interview cheat sheet. Feel free to fork it or do whatever you want with it. PLEASE let me know if there are any errors or if anything crucial is missing. I will add more links soon.

ANNOUNCEMENT

I have moved this over to the Tech Interview Cheat Sheet Repo and has been expanded and even has code challenges you can run and practice against!






\

@RustingSword
RustingSword / extract_staypoint.py
Last active March 29, 2020 04:01
extract stay point from Geolife
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# extract stay points from a GPS log file
# implementation of algorithm in
# [1] Q. Li, Y. Zheng, X. Xie, Y. Chen, W. Liu, and W.-Y. Ma, "Mining user similarity based on location history", in Proceedings of the 16th ACM SIGSPATIAL international conference on Advances in geographic information systems, New York, NY, USA, 2008, pp. 34:1--34:10.
import time
import os
import sys
@jasdeepkhalsa
jasdeepkhalsa / longPolling.js
Last active April 17, 2024 10:59
Simple Long Polling Example with JavaScript and jQuery by Tian Davis (@tiandavis) from Techoctave.com (http://techoctave.com/c7/posts/60-simple-long-polling-example-with-javascript-and-jquery)
// Long Polling (Recommened Technique - Creates An Open Connection To Server ∴ Fast)
(function poll(){
$.ajax({ url: "server", success: function(data){
//Update your dashboard gauge
salesGauge.setValue(data.value);
}, dataType: "json", complete: poll, timeout: 30000 });
})();
@snikch
snikch / gist:3661188
Created September 6, 2012 23:16
Find the current top view controller for your iOS application
- (UIViewController *)topViewController{
return [self topViewController:[UIApplication sharedApplication].keyWindow.rootViewController];
}
- (UIViewController *)topViewController:(UIViewController *)rootViewController
{
if (rootViewController.presentedViewController == nil) {
return rootViewController;
}
@rgreenjr
rgreenjr / postgres_queries_and_commands.sql
Last active November 17, 2024 13:10
Useful PostgreSQL Queries and Commands
-- show running queries (pre 9.2)
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query
FROM pg_stat_activity
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%'
ORDER BY query_start desc;
-- show running queries (9.2)
SELECT pid, age(clock_timestamp(), query_start), usename, query
FROM pg_stat_activity
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%'