大约有 23,000 项符合查询结果（耗时：0.0615秒） [XML]
select and update database record with a single queryset
...
Django database objects use the same save() method for creating and changing objects.
obj = Product.objects.get(pk=pk)
obj.name = "some_new_value"
obj.save()
How Django knows to UPDATE vs. INSERT
If the object’s primary key at...
Locate the nginx.conf file my nginx is actually using
...
"which" works on most Unix based systems. I just typed it on Ubuntu to make sure I hadn't lost my mind.
– tqwhite
May 25 '16 at 15:28
...
instanceof Vs getClass( )
...te thinking. It is better to make your judgements in context, rather than based purely on dogma; e.g. something that someone said is "best practice".
share
|
improve this answer
|
...
Discard all and get clean copy of latest revision?
... gave me a good headache, since it also erased my local configs, i.e.: database user / password etc. :)
– VMC
Apr 28 '16 at 5:42
...
How to use a WSDL file to create a WCF service (not make a call)
I have an old WSDL file and I want to create a server based on this WSDL file.
5 Answers
...
Is there an alternative to bastard injection? (AKA poor man's injection via default constructor)
...pendency Inject (DI) "friendly" library
BTW, the terminology used here is based on the pattern language from my book.
share
|
improve this answer
|
follow
|
...
Ember.js or Backbone.js for Restful backend [closed]
...t things, and will appeal to a different set of people. My short answer is based on your inclusion of the RESTful requirement.
At the moment, Ember-Data (which seems to be the default persistence mechanism within Ember) is far from production ready. What this means is that it has quite a few bugs a...
What is the default form HTTP method?
...when the form is idempotent
(i.e., causes no side-effects).
Many database searches have no visible side-effects
and make ideal applications for the "get" method.
share
|
improve this answe...
xcodebuild says does not contain scheme
...le; if you aren't then my apologies as this mostly applicable to workspace-based projects.
Condensed 'Fix-it' Version
The root cause is that the default behavior of Schemes is to keep schemes 'private' until they are specifically marked as shared. In the case of a command-line initiated build, th...
Disable/turn off inherited CSS3 transitions
...
Based on W3schools default transition value is: all 0s ease 0s, which should be the cross-browser compatible way of disabling the transition.
Here is a link: https://www.w3schools.com/cssref/css3_pr_transition.asp
...