大约有 48,000 项符合查询结果（耗时：0.0970秒） [XML]
How to get a file or blob from an object URL?
I am allowing the user to load images into a page via drag&drop and other methods. When an image is dropped, I'm using URL.createObjectURL to convert to an object URL to display the image. I am not revoking the url, as I do reuse it.
...
How to use Git Revert
...tion(+), 1 deletion(-)
In this example the commit history has two commits and the last one is a mistake. Using git revert:
$ git revert HEAD
[master 1db4eeb] Revert "bad update"
1 file changed, 1 insertion(+), 1 deletion(-)
There will be 3 commits in the log:
$ git log --oneline
1db4eeb Revert "b...
How to export all data from table to an insertable sql format?
... in a database (call it A_db ) in Microsoft SQL Server Management Studio, and there are 10 rows.
6 Answers
...
How do I delete NuGet packages that are not referenced by any project in my solution?
Somehow during the upgrade to VS2012 and .NET 4.5, I've managed to get NuGet confused. There are packages that appear in the package manager (and the packages folder) that I cannot delete (I believe they are legacy ASP.NET NuGet packages that have been replaced with new package names with the new v...
Windows path in Python
...
you can use always:
'C:/mydir'
this works both in linux and windows.
Other posibility is
'C:\\mydir'
if you have problems with some names you can also try raw string literals:
r'C:\mydir'
however best practice is to use the os.path module functions that always select the cor...
Adding :default => true to boolean in existing Rails column
... that you would have to create a rake task or just go in the rails console and update all the records (which I would not recommend in production).
When you added t.boolean :show_attribute, :default => true to the create_profiles migration, it's expected that it didn't do anything. Only migrations...
Do you need to dispose of objects and set them to null?
Do you need to dispose of objects and set them to null, or will the garbage collector clean them up when they go out of scope?
...
Is the NOLOCK (Sql Server hint) bad practice?
I'm in the business of making website and applications that are not mission critical -> eg. banking software, space flight, intensive care monitoring application, etc. You get the idea.
...
What is the difference between g++ and gcc?
What is the difference between g++ and gcc? Which one of them should be used for general c++ development?
10 Answers
...
How do I disable the “Press ENTER or type command to continue” prompt in Vim?
Is there any way to disable the "Press ENTER or type command to continue" prompt that appears after executing an external command?
...