我正在尝试将Django安装到带有终端的Linux Mint 18.1。我也遇到了同样的问题。我的python版本是3.5.2
当我试着命令
$ -H pip install -e django/
我明白了
Directory 'django/' is not installable. File 'setup.py' not found.
我想在three.js中播放交互式2D视频。我想在调整浏览器窗口大小时保持视频的纵横比。
我当前的代码
var camera, scene, renderer;
var texture_placeholder,
distance = 500;
init();
render();
function init() {
var container, mesh;
container = document.getElementById('container');
camera = new THREE.PerspectiveCamera(90, 1, 0.1, 5
我使用下面的代码从拼板中读取数据,然后应用SparkSQL。
data = sqlContext.read.parquet('hdfs://my_hdfs_path/my_db.db/my_table')
data.registerTempTable("table1")
sqlContext.sql("select id, col_A from table1").show(10)
+--------------------+--------------------+
| id| col
当config.cache_classes设置为true时,应用程序不会在生产模式下启动。它给出了堆栈跟踪的以下错误:
$ bundle exec rails s -e production
/home/vipin/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:304:in `rescue in depend_on': No such file to load -- /path-to-app/app/config/environment (LoadEr
$sql = "CREATE TABLE use (
name VARCHAR(30) UNSIGNED AUTO_INCREMENT PRIMARY KEY,
PHONE VARCHAR(30) NOT NULL,
SCHOOL VARCHAR(30) NOT NULL,
)";
if ($conn->query($sql) == 1) {
echo "Table use created successfully";
}
else{
echo "创建数据表错误:".$conn->error;
}
我开始尝试在Linux计算集群上工作,其中一些程序和库可以通过系统获得。
我想使用stack安装Haskell程序(我应该说我还不太熟悉stack)。
stack作为一个模块可用,所以在执行module load stack之后,我尝试了stack setup,它失败了,我抱怨gmp丢失了:
$ stack setup
Preparing to install GHC (gmp4) to an isolated location.
This will not interfere with any system-level installation.
Downloaded ghc-gmp4-8.