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A cron job for rails: best practices?
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I'm using the rake approach (as supported by heroku)
With a file called lib/tasks/cron.rake ..
task :cron => :environment do
puts "Pulling new requests..."
EdiListener.process_new_messages
puts "done."
end
To execute from the comma...
M_PI works with math.h but not with cmath in Visual Studio
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Interestingly I checked this on an app of mine and I got the same error.
I spent a while checking through headers to see if there was anything undef'ing the _USE_MATH_DEFINES and found nothing.
So I moved the
#define _USE_MATH_DEFINES
#include <cmath>...
This app won't run unless you update Google Play Services (via Bazaar)
... new Google Maps API V2 for Android, and I'm getting this message when the app launches:
12 Answers
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Error installing mysql2: Failed to build gem native extension
... --- Install the mysql2 Gem ---
You will now be able to use your Rails app with MySQL, if you are not sure how to create a Rails 3 app with MySQL read on...
--- Get a Rails 3 app going with MySQL ---
Open command prompt(not Git Bash) -> start/cmd
Navigate to your folder (c:\Sites)
Create ...
解决IIS发布时global_asax的dll 的CS0433冲突问题 - 更多技术 - 清泛网 - ...
...决IIS发布时global_asax的dll 的CS0433冲突问题Server Error in ' ' Application.Compilation ErrorDescription:An error occurred during the compilation of a re...Server Error in '/' Application.
Compilation ErrorDescription: An error occurred during the compilation of a resource required to s...
解决IIS发布时global_asax的dll 的CS0433冲突问题 - 环境配置 - 清泛IT社区，为创新赋能！
Server Error in '/' Application.Compilation ErrorDescription: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.
Compiler Error Message: CS0433: The type 'ASP.globa...
Django : How can I see a list of urlpatterns?
...o install django-extensions, add it to your settings like this:
INSTALLED_APPS = (
...
'django_extensions',
...
)
And then, run this command in your terminal
./manage.py show_urls
For more information you can check the documentation.
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Handling an empty UITableView. Print a friendly message
...it is legal to be empty. So instead of showing the
background image of the app, I would prefer to print a friendly message in the screen, such as:
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Android NDK C++ JNI (no implementation found for native…)
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There is a cpp example under apps in ndk:
https://github.com/android/ndk-samples/blob/master/hello-gl2/app/src/main/cpp/gl_code.cpp
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Why use def main()? [duplicate]
...a function will benefit me, then I refactor the code and do it. This also happens when I write bash scripts.
Even if you put code inside the main function, you are not required to write it exactly like that. A neat variation could be:
import sys
def main(argv):
# My code here
pass
if __nam...