大约有 45,000 项符合查询结果(耗时:0.0329秒) [XML]

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Live character count for EditText

... You can do character counting from xml itself using TextInputLayout wrapper for EditText introduced in SupportLibrary v23.1 Just wrap your EditText with a TextInputLayout and set CounterEnabled to true and Set a counterMaxLength. <android.support.design.widget.TextInputLayout android:i...
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How to “pretty” format JSON output in Ruby on Rails

... The original poster said nothing about where in a Rails app he wants to use this, so I answered with a line of Ruby that will work anywhere. To use it to generate the JSON response in a Rails controller, you already answered your own question: format.json { render :json => JSO...
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Test method is inconclusive: Test wasn't run. Error?

...anyone I fixed my instance of this error by noticing a corrupt entry in my App.Config due to a missing nuget package in the test project. share | improve this answer | follow...
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Heroku 'Permission denied (publickey) fatal: Could not read from remote repository' woes

...key to Heroku heroku keys:add Select a created key from a list Go to your app directory, write some beautiful code Init a git repo git init git add . git commit -m 'chore(release): v0.0.1 Create Heroku application heroku create Deploy your app git push heroku master Open your app heroku open ...
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psql: FATAL: role “postgres” does not exist

...R; CREATE DATABASE postgres WITH OWNER postgres; But since your postgres.app setup does not seem to do this, you also should not. Simple adapt the tutorial. share | improve this answer | ...
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download and install visual studio 2008 [closed]

... I needed to run an old VB6 app and as of 5/20/2020 this download still works perfectly on Windows 10. Thanks so much! – WillRoss1 May 20 at 15:51 ...
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How to run a shell script in OS X by double-clicking?

...your file and select "Open with" and then "Other...". Here you select the application you want the file to execute into, in this case it would be Terminal. To be able to select terminal you need to switch from "Recommended Applications" to "All Applications". (The Terminal.app application can be fo...
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Using Core Data, iCloud and CloudKit for syncing and backup and how it works together

I am in the early stages of creating an app where I would like to save, sync and backup data. The app will not store any files just data in a database. It is going to be iOS 8 and up so I am able to use CloudKit. I did some research and still not clear on how Core Data, iCloud and CloudKit work to...
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How to use my view helpers in my ActionMailer views?

I want to use the methods I defined in app/helpers/annotations_helper.rb in my ReportMailer views ( app/views/report_mailer/usage_report.text.html.erb ). How do I do this? ...
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