大约有 47,000 项符合查询结果(耗时:0.0744秒) [XML]

https://stackoverflow.com/ques... 

How to drop all tables in a SQL Server database?

...y tables. I found that code that works and does everything you try (delete all tables from your database): DECLARE @Sql NVARCHAR(500) DECLARE @Cursor CURSOR SET @Cursor = CURSOR FAST_FORWARD FOR SELECT DISTINCT sql = 'ALTER TABLE [' + tc2.TABLE_SCHEMA + '].[' + tc2.TABLE_NAME + '] DROP [' + rc1.C...
https://stackoverflow.com/ques... 

How can I mock requests and the response?

...thons mock package to mock Pythons requests module. What are the basic calls to get me working in below scenario? 9 Answ...
https://stackoverflow.com/ques... 

Checking for empty queryset in Django

...if not my_objects: to demonstrate that this is how they do it in the docs. All else is utterly irrelevant so I do not get your point. They could as well make a thousand queries and it would still be totally irrelevant as this is not the point of this answer, with which I make clear that I agree. ...
https://stackoverflow.com/ques... 

is there a css hack for safari only NOT chrome?

...3 (early 2020 Update) * PLEASE PLEASE -- If you are having trouble, and really want to get help or help others by posting a comment about it, Post Your Browser and Device (MacBook/IPad/etc... with both browser and OS version numbers!) Claiming none of these work is not accurate (and actually not ev...
https://stackoverflow.com/ques... 

django admin - add custom form fields that are not part of the model

... ModelForm class and then declare your extra fields inside that as you normally would. I've also given an example of how you might use these values in form.save(): from django import forms from yourapp.models import YourModel class YourModelForm(forms.ModelForm): extra_field = forms.CharFiel...
https://stackoverflow.com/ques... 

Why does modern Perl avoid UTF-8 by default?

...????????????????????? Set your PERL_UNICODE envariable to AS. This makes all Perl scripts decode @ARGV as UTF‑8 strings, and sets the encoding of all three of stdin, stdout, and stderr to UTF‑8. Both these are global effects, not lexical ones. At the top of your source file (program, module, l...
https://stackoverflow.com/ques... 

Extracting text OpenCV

... For some cards the bounding box does not enclose all of the text, such as half a letter getting cut off. Such as this card: i.imgur.com/tX3XrwH.jpg How can I extend every bounding bounding boxes height and width by n? Thanks for the solution it works great! ...
https://stackoverflow.com/ques... 

Locking a file in Python

...terminate in such a way that the lock is left in place and you have to manually delete the lock before the file becomes accessible again. However, that aside, this is still a good solution. – leetNightshade Nov 8 '12 at 21:27 ...
https://stackoverflow.com/ques... 

Camera orientation issue in Android

... This doesn't seem to work on some devices, it returns 0 for all orientations.. I know it happens on Galaxy S Infuse and Sony Xperia Arc, and S II.. Interesting thing here is that when these same images are selected from gallery, the content provider has the proper orientation value.. ...
https://stackoverflow.com/ques... 

Removing duplicates from a list of lists

... much easier that it offers good returns on efforts. But sometimes (essentially for "tragically crucial bottlenecks" in deep inner loops of code that's pushing the boundaries of performance limits) one may need to go into much more detail, providing probability distributions, deciding which performa...