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Piping buffer to external command in Vim
...rnal stdin from the command line:
vim -es +"w >> /dev/stdout" -cq! /etc/hosts
It's useful for scripting purposes.
For more command-line tricks, check:
How to write whole buffer to standard output from the command line?
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Why does JPA have a @Transient annotation?
...ystem uses tools to generate entities from database. (Hibernate has those, etc...)
Now, suppose that by your business logic you need a particular field NOT to be persisted. You have to "configure" your entity in a particular way.
While Transient keyword works on an object - as it behaves within a j...
Why does .NET foreach loop throw NullRefException when collection is null?
...an be extended further in interesting ways (for loops, reversing, leaping, etc). Thanks for sharing.
– Lara
Feb 16 '17 at 17:08
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How do detect Android Tablets in general. Useragent?
...h for just "Mobile" - there could be devices with names, say "HTC Mobile", etc. I think this is the recommended approach.
– Suman
Apr 30 '12 at 16:25
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How do I run a shell script without using “sh” or “bash” commands?
...ify the shell session by setting environment vars, changing the directory, etc. Really terrible bugs could result otherwise, as variables from one script execution, if done via sourcing, could affect another script execution.
– Daniel Waltrip
Jun 20 '17 at 19:1...
Where is the itoa function in Linux?
... The question seems to be about C, which has no std:: stuff etc.
– glglgl
Jan 31 '14 at 13:35
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On design patterns: When should I use the singleton?
...request for the same resource.
Or a database connection or a file manager etc.
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How to run test methods in specific order in JUnit4?
...to maintain, will break the ability to run tests individually (obviously), etc.
That being said, if you really want to go in this direction, consider using TestNG since it supports running tests methods in any arbitrary order natively (and things like specifying that methods depends on groups of m...
How to add default value for html ? [closed]
...ute, and only works for <input> tags, ie, <input type='text'>, etc. I don't know why the creators of HTML5 decided not to incorporate that, but that's the way it is for now.
The best method for inserting text into <textarea> elements has been outlined correctly here as: <textare...
REST API Login Pattern
...ked into the url, two api paths per collection, GET POST PUT DELETE usage, etc.
3 Answers
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