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Java abstract interface
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'----> nor this, are necessary.
}
Interfaces and their methods are implicitly abstract and adding that modifier makes no difference.
Is there other rules that applies with an abstract interface?
No, same rules apply. The method must be implemented by any (concrete...
Can I have multiple :before pseudo-elements for the same element?
...pseudo-element at any time. (This means an element can have both a :before and an :after pseudo-element — it just cannot have more than one of each kind.)
As a result, when you have multiple :before rules matching the same element, they will all cascade and apply to a single :before pseudo-elemen...
Get last result in interactive Python shell
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Just for the record, ipython takes this one step further and you can access every result with _ and its numeric value
In [1]: 10
Out[1]: 10
In [2]: 32
Out[2]: 32
In [3]: _
Out[3]: 32
In [4]: _1
Out[4]: 10
In [5]: _2
Out[5]: 32
In [6]: _1 + _2
Out[6]: 42
In [7]: _6
Out[7]: 42...
Maximum concurrent Socket.IO connections
This question has been asked previously but not recently and not with a clear answer.
5 Answers
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Select arrow style change
... div with the same size, I set the background of the select as transparent and I'm including a picture(with the same size as the arrow) in the right top corner of the div as background.
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Doctrine and composite unique keys
...umn names, not field names. So you have to convert camelCase to snake_case and append _id for associations, because that's how Doctrine generates column names.
– gronostaj
Mar 6 '18 at 13:35
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How do I use the lines of a file as arguments of a command?
...ers), a shortcut for $(cat afile) is $(< afile), so you'd write:
mycommand "$(< file.txt)"
Documented in the bash man page in the 'Command Substitution' section.
Alterately, have your command read from stdin, so: mycommand < file.txt
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Insert space before capital letters
I have a string "MySites" . I want to place a space between My and Sites .
8 Answers
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Convert boolean to int in Java
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int myInt = myBoolean ? 1 : 0;
^^
PS : true = 1 and false = 0
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Modifying a query string without reloading the page
I am creating a photo gallery, and would like to be able to change the query string and title when the photos are browsed.
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