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// | |
// The new assembly support in Solidity makes writing helpers easy. | |
// Many have complained how complex it is to use `ecrecover`, especially in conjunction | |
// with the `eth_sign` RPC call. Here is a helper, which makes that a matter of a single call. | |
// | |
// Sample input parameters: | |
// (with v=0) | |
// "0x47173285a8d7341e5e972fc677286384f802f8ef42a5ec5f03bbfa254cb01fad", | |
// "0xaca7da997ad177f040240cdccf6905b71ab16b74434388c3a72f34fd25d6439346b2bac274ff29b48b3ea6e2d04c1336eaceafda3c53ab483fc3ff12fac3ebf200", | |
// "0x0e5cb767cce09a7f3ca594df118aa519be5e2b5a" |
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func combineDateWithTime(date: NSDate, time: NSDate) -> NSDate? { | |
let calendar = NSCalendar.currentCalendar() | |
let dateComponents = calendar.components([.Year, .Month, .Day], fromDate: date) | |
let timeComponents = calendar.components([.Hour, .Minute, .Second], fromDate: time) | |
let mergedComponments = NSDateComponents() | |
mergedComponments.year = dateComponents.year | |
mergedComponments.month = dateComponents.month | |
mergedComponments.day = dateComponents.day |
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# -*- coding: utf-8 -*- | |
# <nbformat>3.0</nbformat> | |
# <codecell> | |
from numpy import * | |
from pandas import * | |
from scipy.signal import argrelextrema |
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public class Main extends Activity implements OnColorChangedListener { | |
private ColorPicker picker; | |
private SVBar svBar; | |
private OpacityBar opacityBar; | |
private Button button; | |
private TextView text; | |
@Override | |
protected void onCreate(Bundle savedInstanceState) { |
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#! /bin/bash | |
# inspired by Greg McCormick's (@crushmedianet) post | |
# http://crushmedia.net/2012/04/23/automated-build-of-titanium-iconloading-files/ | |
# updated 4 Aug 2012: creates clipped iPad backgrounds by cropping 768x1024, etc. | |
# create following base images + save in APPNAME/Resources/: | |
# appicon-android-512x512.png |
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{% if include.content %} | |
<meta property="{{ include.property }}" content="{{ include.content }}" /> | |
{% endif %} |
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echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bashrc | |
. ~/.bashrc | |
mkdir ~/local | |
mkdir ~/node-latest-install | |
cd ~/node-latest-install | |
curl http://nodejs.org/dist/node-latest.tar.gz | tar xz --strip-components=1 | |
./configure --prefix=~/local | |
make install # ok, fine, this step probably takes more than 30 seconds... | |
curl https://www.npmjs.org/install.sh | sh |