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Check if a value exists in ArrayList
... case because if not a CurrentAccount object may not be the same even when all their attributes have the same value. But I do agree in overriding hashcode() too.
– Javi
Dec 9 '10 at 23:51
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HTML input file selection event not firing upon selecting the same file
Is there any chance to detect every file selection the user made for an HTML input of type file element?
7 Answers
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Count the number of occurrences of a character in a string in Javascript
I need to count the number of occurrences of a character in a string.
33 Answers
33
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Creating an object: with or without `new` [duplicate]
This is probably a basic question, and might have already been asked (say, here ); yet I still don't understand it. So, let me ask it.
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Haskell offline documentation?
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Hoogle is available offline, installable from Cabal: http://hackage.haskell.org/package/hoogle
Usage instructions are at http://www.haskell.org/haskellwiki/Hoogle#Command_Line_Search_Flags.
Usage:
$ hoogle --help
Hoogle v4.2.8, (C) Neil Mitchell 2004-2011...
Python and pip, list all versions of a package that's available?
Given the name of a Python package that can be installed with pip , is there any way to find out a list of all the possible versions of it that pip could install? Right now it's trial and error.
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How can you find out which process is listening on a port on Windows?
...Note Dane's recommendation for TCPView. It looks very useful!
-a Displays all connections and listening ports.
-b Displays the executable involved in creating each connection or listening port. In some cases well-known executables host multiple independent components, and in these cases the sequen...
What is the difference between a framework and a library?
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Actually these terms can mean a lot of different things depending the context they are used.
For example, on Mac OS X frameworks are just libraries, packed into a bundle. Within the bundle you will find an actual dynamic librar...
What's the difference between struct and class in .NET?
...or a struct, that means that the variable contains the entire struct, with all its fields.
A variable containing a reference type contains a pointer, or a reference to somewhere else in memory where the actual value resides.
This has one benefit, to begin with:
value types always contains a valu...
Any way to exit bash script, but not quitting the terminal
When I use exit command in a shell script, the script will terminate the terminal (the prompt). Is there any way to terminate a script and then staying in the terminal?
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