大约有 46,000 项符合查询结果（耗时：0.0527秒） [XML]
linq where list contains any in list
...ains method for these kind of queries. I was curious by seeing your answer and checked the internal implementation and found that Intersect uses Set. Can you tell me the performance difference between those two methods?
– rebornx
Feb 17 '17 at 9:02
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AWS S3 copy files and folders between two buckets
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Copy between S3 Buckets
AWS (just recently) released a command line interface for copying between buckets.
http://aws.amazon.com/cli/
$ aws s3 sync s3://mybucket-src s3://mybucket-target --exclude *.tmp
..
This will copy from one target bucket to another bucket.
See the documen...
View's getWidth() and getHeight() returns 0
I am creating all of the elements in my android project dynamically. I am trying to get the width and height of a button so that I can rotate that button around. I am just trying to learn how to work with the android language. However, it returns 0.
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Can a shell script set environment variables of the calling shell? [duplicate]
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Your shell process has a copy of the parent's environment and no access to the parent process's environment whatsoever. When your shell process terminates any changes you've made to its environment are lost. Sourcing a script file is the most commonly used method for configuring a s...
Getting the client's timezone offset in JavaScript
...t);
The time-zone offset is the difference, in minutes, between UTC and local time. Note that this means that the offset is positive if the local timezone is behind UTC and negative if it is ahead. For example, if your time zone is UTC+10 (Australian Eastern Standard Time), -600 will be retu...
What does !! mean in ruby?
...ly not necessary to use though since the only false values to Ruby are nil and false, so it's usually best to let that convention stand.
Think of it as
!(!some_val)
One thing that is it used for legitimately is preventing a huge chunk of data from being returned. For example you probably don't ...
How can I make pandas dataframe column headers all lowercase?
I want to make all column headers in my pandas data frame lower case
5 Answers
5
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How do I ignore the authenticity token for specific actions in Rails?
..._action :verify_authenticity_token, except: [:create, :update, :destroy]
And Rails 3:
skip_before_filter :verify_authenticity_token
For previous versions:
For individual actions, you can do:
protect_from_forgery :only => [:update, :destroy, :create]
#or
protect_from_forgery :except =>...
How to handle both a single item and an array for the same property using JSON.net
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The best way to handle this situation is to use a custom JsonConverter.
Before we get to the converter, we'll need to define a class to deserialize the data into. For the Categories property that can vary between a single item and an array,...
What's the most concise way to read query parameters in AngularJS?
... ==> {chapterId:1, sectionId:2, search:'moby'}
EDIT: You can also get and set query parameters with the $location service (available in ng), particularly its search method: $location.search().
$routeParams are less useful after the controller's initial load; $location.search() can be called a...