Lua Introduction
1993At the Pontifical Catholic University of Rio de Janeiro inBrazil) was born with a programming language. The inventor was the school's three researchers who gave the language a romantic name-Lua, representing the beautiful moon
bzoj 1369: [Baltic2003]gemTime Limit:2 Sec Memory limit:64 MB submit:343 solved:219 [Submit][status][discuss]
The following:
TREEDP, the color of each point is about 8 species enough.
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const int MAX = 50;
int n; BOOL Board[max][max]; BOARD[I][J] Record shape I, the color of J gems have been used int A[max][max]; Storage gem shape matrix int B[max][max]; Stores the gem color
RedisCaptcha timed out! Why should RedisCaptcha be developed? The reason for calling RedisCaptcha is mainly because the simple-captcha previously used is handled using SQL, and migrate is performed outside the region. In addition, the SQL itself
Final effect
1. Create a 1152*864 pixel document, set foreground and background colors as shown in the following illustration, select "Gradient Tool", and click on the "linear gradient" button to pull the
The general steps for the old project to replace Unicorn:(1) Modify config/Application.rbDelete# assign log4r ' s logger as rails ' logger.Log4r_config= Yaml.load_file (File.join (File.dirname (__file__), "Log4r.yml"))Yamlconfigurator.decode_yaml (log4r_config[' log4r_config ')Config.logger = log4r::logger[rails.env]New configuration for memcachedConfig.cache_store =:d Alli_store, *settings.memcached.servers,{: namespace = Settings.memcached.namespace,: Compress = true} (2) Create a new config/d
to create a MySQL database named Test. Finally, you will also need the two gems ActiveRecord and Faker, which can be obtained by running the gem install ActiveRecord faker.
The results of running this script on my machine are generated as shown in Listing 4.Listing 4. Benchmark test script output for immediate loading
--Create_table (: Categories)
-> 0
require 'rubygems'require 'faker'require 'active_record'require 'benchmark'# This call creates a connection to our database.ActiveRecord::Base.establish_connection( :adapter => "mysql", :host => "127.0.0.1", :username => "root", # Note that while this is the default setting for MySQL, :password => "", # a properly secured system will have a different MySQL # username and password, and if so, you'll need to # change these settings. :database => "test")# First, set u
Another option is to wrap the transaction of the database in each test case, and this time, Laravel provides a convenient databasetransactions trait to handle these:
Visit ('/') ->see (' Laravel 5 ');} }
Note: This trait only wraps transactions for the default database connection.
Model Factory When testing, it is often necessary to add some data records in the database that are required for testing before executing the test. Laravel allows you
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[Oceanic Next Color Scheme] (Oceanic Next Color Scheme)
How to use Dropbox to synchronize sublime text settings in different machinesFirst machinecd ~/Library/Application\ Support/Sublime\ Text\ 3/Packages/mkdir ~/Dropbox/Sublimemv User ~/Dropbox/Sublime/ln -s ~/Dropbox/Sublime/UserOther machinescd ~/Library/Application\ Support/Sublime\ Text\ 3/Packages/rm -r Userln -s ~/Dropbox/Sublime/UserDevelopment Tools[Git] (Git)brew install git[node. js and Npm] (node. js)You can download the
Tags: include support for extended SED file content command using Lov insert1th SED Foundation 1.1 sed Option Stream Editor-R supports extended regular-N cancels the default output-I direct modification does not output to the desktop-i.bak BackupThe writing format of 1.2 sedSed ' conditional command 'Sed ' pattern command 'Sed ' mode command '1.3 sed command execution process1. Read the contents of the file 1th line2. Whether the conditions are met1). The command that satisfies the condition exe
1th SED Foundation 1.1 sed options-R supports extended regular-N cancels the default output-I direct modification does not output to the desktop-i.bak BackupThe writing format of 1.2 sedSed ' conditional command 'Sed ' pattern command 'Sed ' mode command '1.3 sed command execution process1. Read the contents of the file 1th line2. Whether the conditions are met1). The command that satisfies the condition executes the corresponding P s D2). Not satisfied continue to 1th step3. To the last line of
Delete the original cocoapods, version, and then download the specified version of the Pods
Macbook-pro:sarrs_develop mac.pro$ pod--version
Macbook-pro:sarrs_develop mac.pro$ Gem List
Macbook-pro:sarrs_develop mac.pro$ Gem List cocoa
Macbook-pro:sarrs_develop mac.pro$ Gem Uninstall cocoapods
Macbook-pro:sarrs_develop mac.pro$
; length (); $ usernameValidator-> validate ('alganet '); // true // verify object attributes $ user = new stdClass; $ user-> name = 'alexre'; $ user-> birthdate = '2017-07-01 '; // verify its attributes in a simple chain $ userValidator = v: attribute ('name', v: string ()-> length )) -> attribute ('birthdate', v: date ()-> minimumAge (18); $ userValidator-> validate ($ user); // true
You can use this library to verify the data submitted by your form or other users. In addition, it has a lot of
the factory will return.
Call the factory to fetch the data.
The Laravel is executed php artisan make:factory UserFactory --model=User to create a factory class for the User Model, which is placed under the Database/factory directory. Open the file to see the following code:
$factory->define (App\user::class, function (Faker $faker) {return [ //];});
Here, the return value is the data that we ge
(Usertableseeder::class) in the Databaseseeder run method, and then execute the PHP artisan Db:seeder, then Laravel will execute Databas The Run method in Eseeder, and then perform the migration one by one.
Unlike migration, multiple data fills are performed if the PHP artisan Db:seeder is executed more than once.
Join you want to insert a large amount of test data at once, it is obviously not a good way to use the DB facade in the Run method to insert one at a time. Laravel provides a model fa
') , V::d ate ()->minimumage (18)); $userValidator->validate ($user); True
You can verify your form or other user-submitted data through this library. In addition, it contains a lot of checks, throws exceptions and custom error messages.
filterus– Filter Library
Filterus is another filter library, but it can not only verify, but also filter the output that matches the preset mode. Here is an example:
$f = filter::factory (' String,max:5 '); $str = ' This is a test string '; $f->validate ($STR
independent verification rules to verify array elements.16. Faker-false data generator
Faker? Is a PHP library that generates fake data for you. It can be used when you need to fill in a Test database or generate test data for your web application. It is also very easy to use:
// Reference the Faker automatic loader require_once '/path/to/
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