大约有 46,000 项符合查询结果(耗时:0.0782秒) [XML]
Count number of records returned by group by
...his to DISTINCT COUNT() OVER(), and the query performance improved dramatically.
– Joe Aldrich
Sep 20 '17 at 13:33
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
... a matrix of size 2^n is slower than transposing one of size 2^n+1 . For small values of n , the difference is not major.
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How do i put a border on my grid in WPF?
...s should get you what you're after (though you may want to put a margin on all 4 sides, not just 2...)
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git add remote branch
... information on merging the remote and local branches.
Creating a remote called "github":
git remote add github git://github.com/jdoe/coolapp.git
git fetch github
List all remote branches:
git branch -r
github/gh-pages
github/master
github/next
github/pu
Create a new local branch (tes...
Can I get the name of the current controller in the view?
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Actually is bad practice to use params in view. Please use controller_name instead
– coorasse
May 2 '14 at 13:15
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Private setters in Json.Net
...ed, new answer
I've written a source distribution NuGet for this, that installs a single file with two custom contract resolvers:
PrivateSetterContractResolver
PrivateSetterCamelCasePropertyNamesContractResolver
Install the NuGet:
Install-Package JsonNet.PrivateSettersContractResolvers.Source
The...
When to create a new app (with startapp) in Django?
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I tend to create new applications for each logically separate set of models. e.g.:
User Profiles
Forum Posts
Blog posts
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How to create a hex dump of file containing only the hex characters without spaces in bash?
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xxd -p file
Or if you want it all on a single line:
xxd -p file | tr -d '\n'
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How to configure an existing git repo to be shared by a UNIX group
...ritable by me. I want to open it up to some UNIX user group, foo, so that all members of foo can push to it. I'm aware that I can easily set up a new git repo with:
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Will using goto leak variables?
Is it true that goto jumps across bits of code without calling destructors and things?
1 Answer
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