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zwang / v8PromiseDemo.cpp
Created December 20, 2019 19:02 — forked from jupp0r/Demo.cpp
C++ function returning an ES6 promise
#include <node.h>
#include "Test.h"
namespace demo {
using v8::FunctionCallbackInfo;
using v8::Isolate;
using v8::Local;
using v8::Object;
@zwang
zwang / press.one
Created February 8, 2018 07:52
{"sig":"e3acfb82ecda1d700a645ddcf4ae78d9ea45e73c8f069deb9f723602f259b06cc85efe766404cd9912b35330361df628e149dd749c4fda00bcc76fd577d9dddc0","msghash":"083e69c2b4cec2e0aae0d350bdb92b61de1f7d120e1152c9d20a0e8546389c2c"}
@zwang
zwang / build_gmp.sh
Created July 30, 2017 18:50 — forked from sakrist/build_gmp.sh
GMP and MPFR compile for iOS
#!/bin/bash
set -x
CURRENT=`pwd`
__pr="--print-path"
__name="xcode-select"
DEVELOPER=`${__name} ${__pr}`
GMP_VERSION="5.1.3"
@zwang
zwang / introrx.md
Created April 4, 2017 17:21 — forked from staltz/introrx.md
The introduction to Reactive Programming you've been missing
@zwang
zwang / iOS - kCFStreamErrorDomainSSL error codes.txt
Created March 10, 2017 03:38 — forked from ubergoober/iOS - kCFStreamErrorDomainSSL error codes.txt
When you get an error code in with the domain kCFStreamErrorDomainSSL, you can generally find the error codes in SecureTransport.h which is in /System/Library/Frameworks/Security.framework. Here are the error codes:
enum {
errSSLProtocol = -9800, /* SSL protocol error */
errSSLNegotiation = -9801, /* Cipher Suite negotiation failure */
errSSLFatalAlert = -9802, /* Fatal alert */
errSSLWouldBlock = -9803, /* I/O would block (not fatal) */
errSSLSessionNotFound = -9804, /* attempt to restore an unknown session */
errSSLClosedGraceful = -9805, /* connection closed gracefully */
errSSLClosedAbort = -9806, /* connection closed via error */
@zwang
zwang / StringSize.swift
Created November 6, 2016 16:50 — forked from plumhead/StringSize.swift
String extension to find the layout size of a String with specified attributes.
extension String {
func size(withAttributes attrs: [String:AnyObject], constrainedTo box: NSSize) -> NSRect {
let storage = NSTextStorage(string: self)
let container = NSTextContainer(containerSize: NSSize(width: box.width, height: box.height))
let layout = NSLayoutManager()
layout.addTextContainer(container)
storage.addLayoutManager(layout)
storage.addAttributes(attrs, range: NSMakeRange(0, storage.length))
container.lineFragmentPadding = 0.0
let _ = layout.glyphRangeForTextContainer(container)
@zwang
zwang / two lines title for navigationbar.swift
Created October 20, 2016 01:00
two lines title for navigationbar
//http://stackoverflow.com/questions/2422383/uinavigationbar-multi-line-title
private func setupTitleView() {
let topText = NSLocalizedString("key", comment: "")
let bottomText = NSLocalizedString("key", comment: "")
let titleParameters = [NSForegroundColorAttributeName : UIColor.<Color>(),
NSFontAttributeName : UIFont.<Font>]
let subtitleParameters = [NSForegroundColorAttributeName : UIColor.<Color>(),
NSFontAttributeName : UIFont.<Font>]
@zwang
zwang / sqlite3.sh
Created March 15, 2016 20:11 — forked from fluidsonic/sqlite3.sh
Make sqlite3 module available in Swift
#!/bin/sh
modulesDirectory=$DERIVED_FILES_DIR/modules
modulesMap=$modulesDirectory/module.modulemap
modulesMapTemp=$modulesDirectory/module.modulemap.tmp
mkdir -p "$modulesDirectory"
cat > "$modulesMapTemp" << MAP
module sqlite3 [system] {
@zwang
zwang / iosVersionRelatedBugFix.swift
Last active March 12, 2016 01:55
iOS 9.0.x bug automaticallyAdjustsScrollViewInsets doesn't change insets on iOS 9
#if os(iOS)
// temp fix for iOS 9.0.x http://www.openradar.me/22106545
let os = NSProcessInfo().operatingSystemVersion
switch (os.majorVersion, os.minorVersion, os.patchVersion) {
case (9, 0, _):
// "iOS >= 9.0.0, < 9.1.0"
// Only in iOS 9.0.x, the contentInset of the collection view does not automatically add the statusbar height and the navigation bar height
let statusBarheight = UIApplication.sharedApplication().statusBarFrame.height
let navigationBarHeight = self.navigationController?.navigationBar.frame.height ?? 0
self.constants.defaultContentInsets.top += statusBarheight + navigationBarHeight
@zwang
zwang / DoubleToStringWithMoreDecimals.swift
Last active March 18, 2016 20:04
Convert double to string in swift with more than default 15 decimals (a bug in swift should be fixed later)
// https://github.com/apple/swift/pull/348
private func getDoubleStrWith16DecimalDigits(value: Double) -> String {
return String(format: "%.16f", value)
}