大约有 47,000 项符合查询结果(耗时:0.0598秒) [XML]
Index on multiple columns in Ruby on Rails
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The order does matter in indexing.
Put the most selective field first, i.e. the field that narrows down the number of rows fastest.
The index will only be used insofar as you use its columns in sequence starting at the beginning. i.e. if you index on [:user_id, :article_id...
Where can I find a NuGet package for upgrading to System.Web.Http v5.0.0.0?
... of my solution or do the following.
Go to the "Manage NuGet Packages"
Select the Installed Package "Microsoft ASP.NET Web API 2.1"
Click Manage and check the projects that I manually added before.
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How to annotate MYSQL autoincrement field with JPA annotations
...oblem is saving the object Operator into MySQL DB.
Prior to save, I try to select from this table and it works, so is connection to db.
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Just disable scroll not hide it?
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Four little additions to the selected solution:
Apply 'noscroll' to html instead of to body to prevent double scroll bars in IE
To check if there's actually a scroll bar before adding the 'noscroll' class. Otherwise, the site will also jump pushed by t...
what is the most efficient way of counting occurrences in pandas?
...].astype('str').stack().value_counts().sum() which equates to setting each selected column to str type, stacking all individual columns on top, forming basically one column and then doing the value_counts() and sum() on that one column. :) Stack is pretty useful, it might not be the most obvious cho...
Can't use method return value in write context
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This is a much better answer than the one currently selected.
– SystemParadox
Sep 9 '11 at 14:20
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Inner text shadow with CSS
...to get your effect.
Since SVG is a subset of XML, SVG text would still be select-able and searchable, and the effect can be produced with less code than Canvas.
It would be harder to achieve this with Canvas because it doesn't have a dom with layers like SVG does.
You could produce the SVG eith...
How do I create a new branch?
...ow:
Right click on Trunk/ which you will be creating your Branch from:
Select Branch/Tag:
Type in location of your new branch, commit message, and any externals (if your repository has them):
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Printing Lists as Tabular Data
...as options to read data from csv, html, sql database. Also you are able to select subset of data, sort table and change table styles.
3. texttable: https://pypi.python.org/pypi/texttable
from texttable import Texttable
t = Texttable()
t.add_rows([['Name', 'Age'], ['Alice', 24], ['Bob', 19]])
print...
Makefile variable as prerequisite
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this should be the selected answer. its a cleaner implementation.
– sb32134
Mar 8 '16 at 15:57
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