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How to stop an app on Heroku?
I have an app on Heroku which is being used by few users. However, I notice there are some data issues which i'd like to fix and stop the app in the mean time so users don't enter anything new.
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(Built-in) way in JavaScript to check if a string is a valid number
I'm hoping there's something in the same conceptual space as the old VB6 IsNumeric() function?
37 Answers
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jQuery get textarea text
Recently I have started playing with jQuery, and have been following a couple of tutorials. Now I feel slightly competent with using it (it's pretty easy), and I thought it would be cool if I were able to make a 'console' on my webpage (as in, you press the ` key like you do in FPS games, etc.), a...
Failed to build gem native extension (installing Compass)
When I attempt to install the latest version of compass ( https://rubygems.org/gems/compass/versions/1.0.0.alpha.17 ), I get the following error.
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App Inventor 2 构建纯血鸿蒙 HarmonyOS App · App Inventor 2 中文网
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3.2 申请签名证书
（1）调试证书（Debug证书）
（2）发布证书（Release证书）
3.3 发布证书申请步骤
Step 1：生成密钥对和证书签名请求（CSR）
Step 2：在 AGC 申请签名证...
Is it possible to run one logrotate check manually?
...run one iteration of logrotate manually without scheduling it on some interval?
8 Answers
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The breakpoint will not currently be hit. No symbols have been loaded for this document in a Silverl
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Right click on solution --> Properties
Look under Common Properties --> Startup Project
Select multiple startup projects
select Start action on the projects you need to debug.
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Check if property has attribute
Given a property in a class, with attributes - what is the fastest way to determine if it contains a given attribute? For example:
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How to lazy load images in ListView in Android
I am using a ListView to display some images and captions associated with those images. I am getting the images from the Internet. Is there a way to lazy load images so while the text displays, the UI is not blocked and images are displayed as they are downloaded?
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Remove border radius from Select tag in bootstrap 3
This seems like a trivial problem, but I can't figure it out.
6 Answers
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