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How can I add to List
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Sorry, but you can't.
The wildcard declaration of List<? extends Number> foo3 means that the variable foo3 can hold any value from a family of types (rather than any value of a specific type). It means that any of these are legal assignments:
List<? extends Numbe...
How do you remove a specific revision in the git history?
... combine revision 3 and 4 into a single revision, you can use git rebase. If you want to remove the changes in revision 3, you need to use the edit command in the interactive rebase mode. If you want to combine the changes into a single revision, use squash.
I have successfully used this squash tec...
When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
I have a Spring MVC web app which uses Spring Security. I want to know the username of the currently logged in user. I'm using the code snippet given below . Is this the accepted way?
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How to delete last character from a string using jQuery?
How to delete last character from a string for instance in 123-4- when I delete 4 it should display 123- using jQuery .
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How to filter None's out of List[Option]?
If I have a List[Option[A]] in Scala, what is the idiomatic way to filter out the None values?
3 Answers
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Getting “unixtime” in Java
...ixtime is seconds since Jan 1, 1970. I don't usually code in java, but I'm working on some bug fixes. I have:
2 Answers
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Sort a Map by values
I am relatively new to Java, and often find that I need to sort a Map<Key, Value> on the values.
58 Answers
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What is the most elegant way to remove a path from the $PATH variable in Bash?
Or more generally, how do I remove an item from a colon-separated list in a Bash environment variable?
33 Answers
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Could not load file or assembly Microsoft.SqlServer.management.sdk.sfc version 11.0.0.0
I have installed MS SQL Server 2008 R2 and when I try to update model from database under EDMX file I am facing that error.
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Get line number while using grep
I am using grep recursive to search files for a string, and all the matched files and the lines containing that string are print on the terminal. But is it possible to get the line numbers of those lines too??
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