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How to list the files inside a JAR file?
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Note that in Java 7, you can create a FileSystem from the JAR (zip) file, and then use NIO's directory walking and filtering mechanisms to search through it. This would make it easier to write code that handles JARs and "exploded" directories.
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not None test in Python [duplicate]
...with default parameters. is tests identity in Python. Because there is one and only one instance of None present in a running Python script/program, is is the optimal test for this. As Johnsyweb points out, this is discussed in PEP 8 under "Programming Recommendations".
As for why this is preferred...
How can I check that a form field is prefilled correctly using capybara?
... Ah, I was missing the .value bit. Thanks!
– Marc-André Lafortune
May 8 '12 at 18:02
I was having the same problem...
Test if object implements interface
...eding to cast afterward with the first one thus giving you two casts ("is" and then an explicit cast). With the second approach you only cast once.
– Andrew Hare
Jan 4 '09 at 6:02
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How can I open a Shell inside a Vim Window?
I can open a shell by using the :shell command in Vim, however I can't edit a file and at the same time use the shell.
10 A...
Rollback a Git merge
...before_merge> with git reflog, git log, or, if you're feeling the moxy (and haven't done anything else): git reset --hard HEAD@{1}
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How do I execute any command editing its file (argument) “in place” using bash?
I have a file temp.txt, that I want to sort with the sort command in bash.
14 Answers
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ASP.NET MVC 404 Error Handling [duplicate]
I've made the changes outlined at 404 Http error handler in Asp.Net MVC (RC 5) and I'm still getting the standard 404 error page. Do I need to change something in IIS?
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Test whether a Ruby class is a subclass of another class
... different function for an operator used for declaring class relationships AND provide two different ways of doing it?
– Ben Gotow
Apr 16 '13 at 15:08
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How to force IntelliJ IDEA to reload dependencies from build.sbt after they changed?
...orce SBT to reload changes:
Open SBT toolwindow (on the right side of IDE) and press refresh button.
If you use auto-import feature you need to save your file to force auto-refresh.
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