尝试celery -A draft1 beat在终端上执行时出现此错误。
Traceback (most recent call last):
File "/home/james/postr/env/lib/python3.5/site-packages/celery/apps/beat.py", line 107, in start_scheduler
service.start()
File "/home/james/postr/env/lib/python3.5/site-packages/celery/beat.py", line 558, in start
interval = self.scheduler.tick()
File "/home/james/postr/env/lib/python3.5/site-packages/celery/beat.py", line 279, in tick
self.apply_entry(entry, producer=self.producer)
File "/home/james/postr/env/lib/python3.5/site-packages/kombu/utils/objects.py", line 44, in __get__
value = obj.__dict__[self.__name__] = self.__get(obj)
File "/home/james/postr/env/lib/python3.5/site-packages/celery/beat.py", line 411, in producer
return self.Producer(self._ensure_connected(), auto_declare=False)
File "/home/james/postr/env/lib/python3.5/site-packages/celery/beat.py", line 395, in _ensure_connected
_error_handler, self.app.conf.broker_connection_max_retries
File "/home/james/postr/env/lib/python3.5/site-packages/kombu/connection.py", line 405, in ensure_connection
callback)
File "/home/james/postr/env/lib/python3.5/site-packages/kombu/utils/functional.py", line 333, in retry_over_time
return fun(*args, **kwargs)
File …Run Code Online (Sandbox Code Playgroud) 在下面的代码中,我有 2 个函数 - 第一个函数包含在 lambda 主体中,另一个则没有。
fun first() = { println("first")}
fun second() = println("second")
first()
second()
Run Code Online (Sandbox Code Playgroud)
只second()打印 - 这是为什么?
我正在尝试扩展ViewPager2课程,以便我可以SeekBarPreference左右拖动。
class ViewPager2Custom(context: Context) : ViewPager2(context) {
}
Run Code Online (Sandbox Code Playgroud)
但是,我在我的ViewPager2(context).
任何的想法?
当我尝试pod init在 Xcode 项目目录中执行时,它返回以下内容:
Traceback (most recent call last):
35: from /usr/local/bin/pod:23:in `<main>'
34: from /usr/local/bin/pod:23:in `load'
33: from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.2/bin/pod:36:in `<top (required)>'
32: from /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
31: from /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
30: from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.2/lib/cocoapods.rb:8:in `<top (required)>'
29: from /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
28: from /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
27: from /Library/Ruby/Gems/2.6.0/gems/activesupport-4.2.11.3/lib/active_support/core_ext/string/inflections.rb:1:in `<top (required)>'
26: from /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
25: from /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
24: from /Library/Ruby/Gems/2.6.0/gems/activesupport-4.2.11.3/lib/active_support/inflector/methods.rb:3:in `<top (required)>'
23: from /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
22: from /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
21: from /Library/Ruby/Gems/2.6.0/gems/activesupport-4.2.11.3/lib/active_support/inflections.rb:1:in `<top (required)>'
20: from /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require' …Run Code Online (Sandbox Code Playgroud) 我已按照设置 Facebook iOS SDK 的所有说明进行操作。
我想做的就是跟踪 iPhone 设备上的安装事件,这样我就可以在 iOS 14 上运行广告。
我有:
将我的 iOS 应用程序添加到我的 Facebook 帐户
将相关密钥对添加到Info.plist
<key>CFBundleURLTypes</key>
<array>
<dict>
<key>CFBundleURLSchemes</key>
<array>
<string>fb{APP_ID}</string>
</array>
</dict>
</array>
<key>FacebookAppID</key>
<string>{APP_ID}</string>
<key>FacebookClientToken</key>
<string>{CLIENT_ID}</string>
<key>FacebookDisplayName</key>
<string>{APP-NAME}</string>
Run Code Online (Sandbox Code Playgroud)
启动时初始化 FB SDK:
MyApp.swift
class AppDelegate: NSObject, UIApplicationDelegate, MessagingDelegate, UNUserNotificationCenterDelegate {
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]? = nil) -> Bool {
// Facebook Init
ApplicationDelegate.shared.application(
application,
didFinishLaunchingWithOptions: launchOptions
)
return true
}
func application(
_ app: UIApplication,
open url: URL,
options: [UIApplication.OpenURLOptionsKey : …Run Code Online (Sandbox Code Playgroud) 当我的settings.py-ALLOWED_HOSTS = []服务器工作正常。但是当我这样做时ALLOWED_HOSTS = config('ALLOWED_HOSTS')- 它给出了错误:
DisallowedHost at /admin/login/
Invalid HTTP_HOST header: '127.0.0.1:8000'. You may need to add '127.0.0.1' to ALLOWED_HOSTS.
Run Code Online (Sandbox Code Playgroud)
然而,当我进入 python shell 时,我成功地能够导入ALLOWED_HOSTS- 并且它打印出[]正确的值。
我仍然收到错误的原因是什么?
PS:这config是该包的一个功能python-decouple- 用于存储敏感值。
从默认的SQLite数据库迁移到Postgres数据库需要采取哪些步骤?
我这样做是为了让我的本地开发环境尽可能靠近我的实时服务器(使用postrgres).
或者,本地开发使用SQLite的原因是什么?是不是建议使用Postgres进行本地开发?
我已经通过AWS RDS创建了一个Postgresql数据库实例.我现在正试图从我的django应用程序连接到它,所以我创建了一个新的安全组并更改了imbound规则.
但是,如何激活此新规则?我进入我的数据库实例,在"安全组"下,它只说:
default (sg-9a15a9f0)
( active )
Run Code Online (Sandbox Code Playgroud)
并且不显示我创建的新安全组.在安全组UI中,我找不到使新安全组处于活动状态的按钮.
任何的想法?
我正在使用Trumbowyg,一个WYSIWYG JavaScript编辑器,它具有从粘贴的URL渲染图像的功能.它还有一个上传插件,可以上传本地图像和自定义服务器端处理.
我的python/django函数upload_image()可以成功检测上传的图像 - 但是当我使用URL图像输入时,我的python函数无法检测到它.Trumbowyg只是渲染图像而不通过我的python后端.
这是我的代码:
$('#id_content').trumbowyg({
btnsDef: {
// Create a new dropdown
image: {
dropdown: ['insertImage', 'upload'],
ico: 'insertImage'
}
},
// Redefine the button pane
btns: [
['strong', 'em', 'del'],
['link'],
['image'], // Our fresh created dropdown
],
plugins: {
// Add imagur parameters to upload plugin for demo purposes
upload: {
serverPath: '/upload_image/',
fileFieldName: 'content_image',
urlPropertyName: 'url'
}
}
});
Run Code Online (Sandbox Code Playgroud)
def upload_image(request):
print('Success') #only prints when I use the upload …Run Code Online (Sandbox Code Playgroud) 所以我试图从.json我的Android项目中的文件中读取数据:
val file = context.assets.open("myfile.json").bufferedReader().readText()
Run Code Online (Sandbox Code Playgroud)
这样可以正常工作,并成功将我的.json文件作为一个文件输出String。
但是我想知道到底是什么bufferedReader(),为什么.readText()不能直接在打开的.json文件上调用它。
PS:readText()返回String。然而:
val json2: JSONObject = JSONObject("mystring") 返回:
Caused by: org.json.JSONException: Value mystring of type java.lang.String cannot be converted to JSONObject
Run Code Online (Sandbox Code Playgroud)
这有什么意义?
django ×4
python ×4
kotlin ×3
android ×2
ios ×2
postgresql ×2
ajax ×1
amazon-rds ×1
celery ×1
cocoapods ×1
database ×1
facebook ×1
ios14 ×1
javascript ×1
json ×1
ruby ×1
skadnetwork ×1
sqlite ×1
supervisord ×1
trumbowyg ×1