大约有 44,000 项符合查询结果（耗时：0.0476秒） [XML]
file_put_contents(meta/services.json): failed to open stream: Permission denied
...specific, but the thought process for Laravel developers is: "make it work NOW, I don't care how", just like 777). As a general rule, never, ever, set anything as 777 to get something to work. UNDERSTAND your server and users/roles and set them accordingly; don't hack at it. Your clients trust you t...
Difference between . and : in Lua
...ccessing obj
--> 20
tab.obj:method(10)
--> Accessing obj
--> 10
Now imagine the __index metamethod did more than just printing something. Imagine it increased a counter, logged something to a file or deleted a random user from your database. There's a big difference between doing that twi...
How do I get the YouTube video ID from a URL?
...
Did you know that it's not really perfect, if you put anything.com/watch?v=jn40gqhxoSY It think it's a youtube url
– Gino
Oct 1 '17 at 19:59
...
Does SQLAlchemy have an equivalent of Django's get_or_create?
... new record, it will raise IntegrityError. The whole thing gets messed up, now we don't know what actually happened and we get another error, that no record is found.
– rajat
Oct 8 '15 at 19:31
...
What is the difference between Scala's case class and class?
...
@Mitch: True, my bad. Fixed now.
– sepp2k
Feb 22 '10 at 18:56
...
How to randomly sort (scramble) an array in Ruby?
...
Built in now:
[1,2,3,4].shuffle => [2, 1, 3, 4]
[1,2,3,4].shuffle => [1, 3, 2, 4]
share
|
improve this answer
|
...
How to kill zombie process
...
well that just killed init for me, and now I can't do anything and am forced to restart... the zombie process is Java, taking 3.4GB out of 4GB of RAM
– Tcll
May 19 '15 at 21:43
...
Can I access constants in settings.py from templates in Django?
...ettings.FAVORITE_COLOR}
return render_to_response(template, context)
Now you can access settings.FAVORITE_COLOR on your template as {{ favorite_color }}.
share
|
improve this answer
...
Really Cheap Command-Line Option Parsing in Ruby
...lename, "File to process", :type => String
end
And that's it. opts is now a hash with keys :quiet, :interactive, and :filename. You can do whatever you want with it. And you get a beautiful help page, formatted to fit your screen width, automatic short argument names, type checking... everythin...
How to implement a custom AlertDialog View
...o access the 'body' element of the created AlertDialog. I'd still like to know how to do this, but for now I will just try to inflate a view and use setView in the builder.
– stormin986
May 8 '10 at 19:36
...