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Scala vs. Groovy vs. Clojure [closed]
Can someone please explain the major differences between Scala, Groovy and Clojure. I know each of these compiles to run on the JVM but I'd like a simple comparison between them.
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Inheritance and Overriding __init__ in python
...Info(dict):
"""store file metadata"""
def __init__(self, filename=None):
super(FileInfo, self).__init__()
self["name"] = filename
Note the following:
We can directly subclass built-in classes, like dict, list, tuple, etc.
The super function handles tracking down this clas...
What is the difference between the HashMap and Map objects in Java?
...ementation was using a HashMap (and that does happen), what I should have done was declare getThings and getMoreThings as just returning Map<String, Object> without being any more specific than that. In fact, barring a good reason to do something else, even within Foo I should probably declare...
Reading CSV files using C#
...e VB TextFieldParser and it did the trick. Thanks
– Gone Coding
May 21 '12 at 12:54
11
+1 Great a...
How to tag an older commit in Git?
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@ColonelPanic, your wish is my command! github.com/lucasrangit/git-custom-commands/blob/master/…
– Lucas
Feb 2 '17 at 22:15
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Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.
...ng as a zero length file) as /tmp/mysql.sock or /var/mysql/mysql.sock, but one or more apps is looking in the other location for it. Find out with this command:
ls -l /tmp/mysql.sock /var/mysql/mysql.sock
Rather than move the socket, edit config files, and have to remember to keep edited files lo...
Get a filtered list of files in a directory
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Oh, I just noticed that the Python docs say glob() "is done by using the os.listdir() and fnmatch.fnmatch() functions in concert, and not by actually invoking a subshell". In other words, glob() doesn't have the efficiency improvements one might expect.
– Ben...
Understanding Spring @Autowired usage
...e to put this tag in your XML (application context file):
<context:component-scan base-package="com.mycompany.movies" />
This tag will do an auto-scanning. Assuming each class that has to become a bean is annotated with a correct annotation like @Component (for simple bean) or @Controller (...
Error: Jump to case label
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The problem is that variables declared in one case are still visible in the subsequent cases unless an explicit { } block is used, but they will not be initialized because the initialization code belongs to another case.
In the following code, if foo equals 1, ever...
Emulator error: This AVD's configuration is missing a kernel file
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I have done all possible way but its still there while launching simulator
– VISHNU GARG
Aug 15 '14 at 8:52
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