dyng

Lecture 1: Introduction to Research — [📝Lecture Notebooks] [▶️Video]
Lecture 2: Introduction to Python — [📝Lecture Notebooks] [▶️Video]
Lecture 3: Introduction to NumPy — [📝Lecture Notebooks] [▶️Video]
Lecture 4: Introduction to pandas — [📝Lecture Notebooks] [▶️Video]
Lecture 5: Plotting Data — [📝Lecture Notebooks] [[▶️Vide

dyng

FROM maven:3.5-jdk-8

RUN mkdir -p /usr/src/app
WORKDIR /usr/src/app

# add settings.xml into project directory
COPY settings.xml "$MAVEN_CONFIG"

ADD . build
RUN cd build && mvn install -DskipTests

dyng

function loadJsFromUrl(url) {
    var ele = document.createElement("script");
    ele.setAttribute("src", url);
    document.head.appendChild(ele);
}

dyng

var myApp = angular.module('myApp', []);

//service style, probably the simplest one
myApp.service('helloWorldFromService', function() {
    this.sayHello = function() {
        return "Hello, World!"
    };
});

//factory style, more involved but more sophisticated

dyng

<!-- http://stackoverflow.com/questions/6442364/running-script-upon-login-mac/13372744#13372744 -->
<!-- Place me at ~/Library/LaunchAgents/com.user.loginscript.plist -->
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
   <key>Label</key>
   <string>com.user.loginscript</string>
   <key>Program</key>
   <string>/path/to/executable/script.sh</string>

dyng

fn is_same_tree(p: &Tree<int>, q: &Tree<int>) -> bool {
    match (*p, *q) { // error: cannot move out of dereference of `&`-pointer
        (None, None) => true,
        (Some(ref a), Some(ref b)) => {
            if a.val == b.val
            && is_same_tree(&a.left, &b.left)
            && is_same_tree(&a.right, &b.right){
                true
            } else {
                false

dyng

现在假设你添加了一个新文件a.txt，内容如下：

An a file

然后git add a.txt，git reset --hard，恢复到初始状态。

这时运行git fsck的结果如下：

dyng

use Test::More;
use Test::MockModule;
use HTTP::Request;

our $request_count = 0;
my $mock_ua = Test::MockModule->new('LWP::UserAgent');
$mock_ua->mock('request', sub {
    $request_count++;
    HTTP::Response->new(200);
});

dyng

noremap <silent><expr>n v:searchforward ? "n" : "N"
noremap <silent><expr>N v:searchforward ? "N" : "n"

dyng

SELECT me.id, him.nickname, me.user_id, transaction_id, purchase_at FROM payment AS me INNER JOIN user AS him ON me.user_id = him.id WHERE him.nickname = 'tama';