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Case objects vs Enumerations in Scala
...
One big difference is that Enumerations come with support for instantiating them from some name String. For example:
object Currency extends Enumeration {
val GBP = Value("GBP")
val EUR = Value("EUR") //etc.
}
Then you can do:
val ccy = Currency.withName("E...
How can I swap positions of two open files (in splits) in vim?
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Starting with this:
____________________
| one | two |
| | |
| |______|
| | three|
| | |
|___________|______|
Make 'three' the active window, then issue the command ctrl+w J. This moves ...
How To Accept a File POST
...
see http://www.asp.net/web-api/overview/formats-and-model-binding/html-forms-and-multipart-mime#multipartmime, although I think the article makes it seem a bit more complicated than it really is.
Basically,
public Task<Http...
How to perform a real time search and filter on a HTML table
...owerCase();
return !~text.indexOf(val);
}).hide();
});
Demo: http://jsfiddle.net/7BUmG/2/
Regular expression search
More advanced functionality using regular expressions will allow you to search words in any order in the row. It will work the same if you type apple green or green app...
Why does cURL return error “(23) Failed writing body”?
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It did work for curl -s https://raw.githubusercontent.com/hermitdave/FrequencyWords/master/content/2016/ro/ro_50k.txt | head -20 (without -s I get the same error).
– Dan Dascalescu
Sep 14 '17 at 8:46
...
iPhone UITextField - Change placeholder text color
... 0x11561d90> valueForUndefinedKey:]: this class is not key value coding-compliant for the key _field.
– i_am_jorf
Apr 9 '14 at 19:27
|
sh...
Iterate over object attributes in python
... object attributes are callable, such as methods.
>>> dir(obj)
['__class__', '__delattr__', '__dict__', '__doc__', '__format__', '__getattribute__', '__hash__', '__init__', '__module__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subcla...
'Java' is not recognized as an internal or external command
...g, I received the error "java is not recognized as an internal or external command, operable program or batch file.".
14 A...
Build a Basic Python Iterator
... to the iterator protocol, which basically means they provide two methods: __iter__() and __next__().
The __iter__ returns the iterator object and is implicitly called
at the start of loops.
The __next__() method returns the next value and is implicitly called at each loop increment. This met...
Difference between left join and right join in SQL Server [duplicate]
... two table with following records:
Table A
id firstname lastname
___________________________
1 Ram Thapa
2 sam Koirala
3 abc xyz
6 sruthy abc
Table B
id2 place
_____________
1 Nepal
2 USA
3 Lumbini
5 Kathmandu
Inne...