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Random “Element is no longer attached to the DOM” StaleElementReferenceException
...e for WebDriver to make a good guess about all the cases where this might happen - so it throws up its hands and gives control to you, who as the test/app author should know exactly what may or may not happen. What you want to do is explicitly wait until the DOM is in a state where you know things w...
Relational table naming convention [closed]
...of the two parent table names.
Note that is such cases the Verb Phrase applies to, and is read as, from parent to parent, ignoring the child table, because its only purpose in life is to relate the two parents.
Diagram_C
If it is not an Associative Table (ie. in addition to the two PKs, it con...
How to redirect to a 404 in Rails?
...ow a 404 page, create a render_404 method (or not_found as I called it) in ApplicationController like this:
def not_found
raise ActionController::RoutingError.new('Not Found')
end
Rails also handles AbstractController::ActionNotFound, and ActiveRecord::RecordNotFound the same way.
This does t...
json.dumps vs flask.jsonify
...) function in flask returns a flask.Response() object that already has the appropriate content-type header 'application/json' for use with json responses. Whereas, the json.dumps() method will just return an encoded string, which would require manually adding the MIME type header.
See more about th...
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...webfrogs/xcode_shell/blob/master/ipa-build
# 功能：自动为etao ios app打包，产出物为14个渠道的ipa包
# 特色：全自动打包，不需要输入任何参数
#--------------------------------------------
##### 用户配置区 开始 #####
#
#
# 项目根目录，推荐将...
UICollectionView reloadData not functioning properly in iOS 7
I've been updating my apps to run on iOS 7 which is going smoothly for the most part. I have noticed in more than one app that the reloadData method of a UICollectionViewController isn't acting quite how it used to.
...
What is the difference between C++ and Visual C++? [duplicate]
...ut enhance your productivity. This is a trade-off. You have to decide what appeals most to you.
I've maintained big desktop apps that were written in Visual C++, so that is perfectly feasible. From what I know of Visual Basic, the main advantage seems to be that the first part of the development cy...
Unique BooleanField value in Django?
... say that, don't ever trust save or clean methods if you are running a web application which you might take a few of requests to an endpoint at very same moment. You still must implement a safer way maybe on database level.
– u.unver34
Dec 30 '18 at 15:09
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Ignore python multiple return value
...red Jan 10 '09 at 22:18
Brian ClapperBrian Clapper
22.4k66 gold badges6060 silver badges6565 bronze badges
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Android emulator and virtualbox cannot run at same time
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My backend required for the app to have data runs on VirtualBox (Vagrant), so that's not a great option :P
– Richard de Wit
Nov 20 '15 at 11:46
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