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What is the rationale behind having companion objects in Scala?
...f") // gives you the RealThing wrapped over string
val vi = AbstractClass(123) // gives you AlternativeThing wrapped over int
I wouldn't call the object/base class AbstractXxxxx because it doesn't looks bad: like creating something abstract. Give those names a real meaning.
Consider using immuta...
Is there a label/goto in Python?
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123
No, Python does not support labels and goto, if that is what you're after. It's a (highly) str...
How to recursively find the latest modified file in a directory?
...ntf is probably GNU-only, ajreals usage of stat -c is too. Although it is possible to do the same on BSD, the options for formatting is different (-f "%m %N" it would seem)
And I missed the part of plural; if you want more then the latest file, just bump up the tail argument.
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How to list all installed packages and their versions in Python?
... :
In [1]: import #import press-TAB
Display all 631 possibilities? (y or n)
ANSI audiodev markupbase
AptUrl audioop markupsafe
ArgImagePlugin avahi marshal
BaseHTTPServer axi ...
rmagick gem install “Can't find Magick-config”
...ll with:
$ sudo apt-get install libmagickwand-dev imagemagick
or on centOs:
$ yum install ImageMagick-devel
On Mac OS, you can use Homebrew:
$ brew install imagemagick
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Is it possible to change the textcolor on an Android SearchView?
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123
Add
<item name="android:editTextColor">@android:color/white</item>
to the pare...
How do I check if a string contains another string in Objective-C?
..., 0} if the "haystack" does not contain the "needle".
And if you're on iOS 8 or OS X Yosemite, you can now do: (*NOTE: This WILL crash your app if this code is called on an iOS7 device).
NSString *string = @"hello bla blah";
if ([string containsString:@"bla"]) {
NSLog(@"string contains bla!");...
How do I find all files containing specific text on Linux?
...ion, because accepted do not search half words
– waza123
Aug 27 '19 at 8:53
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One line ftp server in python
... No resume, single connection, etc.
– bugmenot123
Sep 15 '16 at 9:36
@RomanPlášil it will, just run server on...
A Windows equivalent of the Unix tail command [closed]
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I'd suggest installing something like GNU Utilities for Win32. It has most favourites, including tail.
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