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How do you delete an ActiveRecord object?
...on condition
threshold_age = 20
User.where(age: threshold_age).delete_all
https://www.rubydoc.info/docs/rails/ActiveRecord%2FNullRelation:delete_all
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Stretch child div height to fill parent that has dynamic height
...
https://www.youtube.com/watch?v=jV8B24rSN5o
I think you can use display as grid:
.parent { display: grid };
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impr...
iTunes音乐搜索 · App Inventor 2 中文网
...的。
把名字拼成一个网址
iTunes 的搜索接口长这样：
https://itunes.apple.com/search?term=周杰伦&entity=song&limit=1
term= 后面跟歌手名，entity=song 表示只要歌曲，limit=1 表示只要一条结果。
你可以先把这个网址复制到浏览器里打开看看...
Net::SMTPAuthenticationError when sending email from Rails app (on staging environment)
...Google will block your sign-in attempt but
You can change your settings at https://www.google.com/settings/security/lesssecureapps so that your account is no longer protected by modern security standards.
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WPF: How to display an image at its original size?
...d 96dpi.
@rishad2m8 If size is unknown one can detect the size first with https://msdn.microsoft.com/en-us/library/system.drawing.image.size(v=vs.110).aspx I'd guess.
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Prevent line-break of span element
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With Bootstrap 4 Class:
text-nowrap
Ref: https://getbootstrap.com/docs/4.0/utilities/text/#text-wrapping-and-overflow
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How to do URL decoding in Java?
...e as the encoding scheme
defined in RFC2396.
Basically:
String url = "https%3A%2F%2Fmywebsite%2Fdocs%2Fenglish%2Fsite%2Fmybook.do%3Frequest_type";
System.out.println(new java.net.URI(url).getPath());
will give you:
https://mywebsite/docs/english/site/mybook.do?request_type
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disable maven download progress indication
...de ... will do the trick.
Update
The documentation about batch mode see https://maven.apache.org/ref/3.6.1/maven-embedder/cli.html
Starting with Maven 3.6.1 (released 2019-04-04) you can use --no-transfer-progress will suppress the output of downloading messages at all without suppressing the ot...
Putty: Getting Server refused our key Error
...ed: bad ownership or modes for directory
Googled and I found this post:
https://www.daveperrett.com/articles/2010/09/14/ssh-authentication-refused/
chmod g-w /home/your_user
chmod 700 /home/your_user/.ssh
chmod 600 /home/your_user/.ssh/authorized_keys
Basically, it tells me to:
get rid of ...
MySQL Multiple Joins in one query?
...derived tables one after the other.
See this link explaining the process:
https://www.interfacett.com/blogs/multiple-joins-work-just-like-single-joins/
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