программирование

Как выбирать между "$0"и"${BASH_SOURCE[0]}" Это описание из GNU мне не очень помогло. BASH_SOURCE An array variable whose members are the source filenames where the corresponding shell function names in the FUNCNAME array variable are defined. The shell function ${FUNCNAME[$i]} is defined in the file ${BASH_SOURCE[$i]} and called from ${BASH_SOURCE[$i+1]}

120 bash 

У меня есть строка в формате base64, которая представляет изображение PNG. Есть ли способ сохранить это изображение в файловой системе как файл PNG? Я закодировал изображение с помощью flex. На самом деле это то, что я получаю на сервере (не вижу изображения после любого из предложенных методов :() 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120 python  image 

Я пытаюсь установить установщик laravel с помощью composer на свой компьютер с Ubuntu, но во время установки получаю эту ошибку. `Ваши требования не могут быть решены в устанавливаемом наборе пакетов. Problem 1 - laravel/installer v1.4.1 requires ext-zip * -> the requested PHP extension zip is missing from your system. - …

120 php  laravel  ubuntu  laravel-5 

Я пытаюсь отформатировать текущее время в этом формате yyyyMMddHHmmss. t := time.Now() fmt.Println(t.Format("yyyyMMddHHmmss")) Это выводит: yyyyMMddHHmmss Какие-либо предложения?

120 time  go  format  timestamp 

Все системы управления версиями, с которыми я знаком, работают так: каждая фиксация приписывается одному разработчику. Развитие гибкой инженерии, и особенно парного программирования, привело к тому, что два разработчика внесли значительный вклад в решение одной и той же задачи, например, исправив ошибку. Проблема атрибуции не будет иметь большого значения в рабочей …

120 git  svn  version-control  bazaar 

В моем docker-compose.ymlфайле есть следующее. Однако контейнер не принимает значение имени хоста. Любые идеи? dns: image: phensley/docker-dns hostname: affy domainname: affy.com volumes: - /var/run/docker.sock:/docker.sock Когда я проверяю имя хоста в контейнере, оно не улавливается affy.

120 docker  docker-compose 

У меня есть две кнопки в форме, и при нажатии на них должны вызываться две разные страницы. при нажатии кнопки button1 должна быть загружена страница 1, а при нажатии кнопки button2 должна быть загружена страница 2. Я знаю, как это сделать в javascript, но понятия не имею, как это сделать …

120 jquery 

У меня есть производственный веб-сайт WordPress. Я экспортировал базу данных с помощью следующих команд: select database > export > custom > select all tables > select .zip compression > 'Go' Я загрузил файл example.sql.zip, но когда я загружаю его на свой локальный хост, я получаю эту ошибку: phpMyAdmin - Error …

120 database  mysql 

Я видел использование функции %>%(процент больше, чем процент) в некоторых пакетах, таких как dplyr и rvest . Что это означает? Это способ писать закрывающие блоки в R?

120 r  syntax  dplyr  magrittr  r-faq 

Мой вопрос связан с этим вопросом о копировании файлов из контейнеров на хосты; У меня есть Dockerfile, который извлекает зависимости, компилирует артефакт сборки из источника и запускает исполняемый файл. Я также хочу скопировать артефакт сборки (в моем случае он .zipсоздается sbt distв '../ target / `, но я думаю, что …

120 docker  boot2docker 

Как я могу воспроизвести две CSS-анимации с разной скоростью ? Изображение должно вращаться и расти одновременно. Вращение будет происходить каждые 2 секунды. Рост будет повторяться каждые 4 секунды. Пример кода: .image { position: absolute; top: 50%; left: 50%; width: 120px; height: 120px; margin:-60px 0 0 -60px; -webkit-animation:spin 2s linear infinite; …

120 css  css-animations 

В моем приложении для реагирования я использую axios для выполнения запросов REST api. Но он не может отправить заголовок авторизации с запросом. Вот мой код: tokenPayload() { let config = { headers: { 'Authorization': 'Bearer ' + validToken() } } Axios.post( 'http://localhost:8000/api/v1/get_token_payloads', config ) .then( ( response ) => { …

120 reactjs  rest  token  axios  access-token 

У меня есть следующий DataFrame, в котором один из столбцов является объектом (ячейка типа списка): df=pd.DataFrame({'A':[1,2],'B':[[1,2],[1,2]]}) df Out[458]: A B 0 1 [1, 2] 1 2 [1, 2] Мой ожидаемый результат: A B 0 1 1 1 1 2 3 2 1 4 2 2 Что мне делать для этого? …

120 python  pandas  dataframe 

Итак, в моем наборе данных есть информация по местоположению для n дат. Проблема в том, что каждая дата на самом деле является отдельным заголовком столбца. Например, CSV выглядит как location name Jan-2010 Feb-2010 March-2010 A "test" 12 20 30 B "foo" 18 20 25 Я бы хотел, чтобы это выглядело …

120 python  pandas 

У меня есть только мастер ветки, и я получаю эту ошибку каждый раз, когда пытаюсь "git pull": error: Couldn't set refs/remotes/origin/master From /var/lib/git/xxx/project ! a0f80ea..49177a3 master -> origin/master (unable to update local ref) и когда я выполняю "git pull origin master", я получаю: error: Couldn't set ORIG_HEAD fatal: Cannot update …

120 git  command-line-interface