大约有 49,000 项符合查询结果（耗时：0.0696秒） [XML]
Celery Received unregistered task of type (run example)
...
celeryd is obsolete. Now one should run celery worker e.g for Django like this celery --app=your_app.celery worker --loglevel=info
– andilabs
Jan 14 '16 at 11:25
...
Eclipse / Android : “Errors running builder 'Android Pre Compiler' on project…”
...(File > New > Project, Android Project from Existing Code). If it is now named incorrectly, right click it > Refactor > Rename. This fixed the issue for me.
– Glenn Schmidt
Jan 30 '13 at 4:05
...
How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails
...
@stream7..I dont know if u need this now, but you can move this code to environment.rb..if "irb" == $0;ActiveRecord::Base.logger = Logger.new(STDOUT);end..got this from comments in http://weblog.jamisbuck.org/2007/1/8/watching-activerecord-do-...
How to get progress from XMLHttpRequest
... is quite easy. Just monitor the xhr.upload.onprogress event. The browser knows the size of the files it has to upload and the size of the uploaded data, so it can provide the progress info.
For the bytes downloaded (when getting the info with xhr.responseText), it is a little bit more difficult, b...
Binding an enum to a WinForms combo box, and then setting it
...s.SelectedValue.ToString());... You bound the enum to the combobox so you KNOW that the value must be a valid enum value and if it isnt then something has gone very wrong and you probably want an exception.
– bytedev
Oct 6 '16 at 9:31
...
Getting the caller function name inside another function in Python? [duplicate]
... doesn't work, they have changed the order of the tuples. A named tuple is now being used so it's best to use inspect.stack()[1].filename
– timeyyy
Mar 23 '16 at 18:53
3
...
How can I check if a value is a json object?
...a value which is a json object on success and a string 'false' on failure. Now how can I check whether the returned value is a json object?
...
Sorting an array of objects in Ruby by object attribute?
...me + @first_name <=> other.last_name + other.first_name
end
end
Now an array of Person objects will be sortable on last_name.
ar = [Person.new("Eric", "Cunningham"), Person.new("Homer", "Allen")]
puts ar # => [ "Eric Cunningham", "Homer Allen"] (Person objects!)
ar.sort!
puts ar ...
How can I get the current PowerShell executing file?
...
@CollinChaffin: agreed and now (2017) the least currently supported is Windows 7 so there is no reason not to use $PSCommandPath if legacy (WindowsXP) is not required.
– tukan
Dec 11 '17 at 16:30
...
How do I make a composite key with SQL Server Management Studio?
...ht both rows in the table design view and click on the key icon, they will now be a composite primary key.
I'm not sure of your question, but only one column per table may be an IDENTITY column, not both.
share
|...