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How to install PostgreSQL's pg gem on Ubuntu?
...-dev
helped me - after that ran gem install pg -v "0.14.1", and all good now
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Spring JPA selecting specific columns
I am using Spring JPA to perform all database operations. However I don't know how to select specific columns from a table in Spring JPA?
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Is there any connection string parser in C#?
...It would be trivial to extend this to give info on other parameters (right now its only for simple things like db name, data source, username and password). Like this or so:
static readonly string[] serverAliases = { "server", "host", "data source", "datasource", "address",
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How to use the IEqualityComparer
...nting interfaces of classes it is important to read the documentation, to know which contract you’re supposed to implement.1
In your code, the solution is to forward GetHashCode to Class_reglement.Numf.GetHashCode and implement it appropriately there.
Apart from that, your Equals method is full ...
Submit form on pressing Enter with AngularJS
... 'next' button, default behaviour on clicking 'enter' key is back button. Now, when using above code, the back button get's CLICKED FIRST, and then myFunction() code is called (which in turns, get's to next part of wizard) So, my wizard goes BACK for a while, and then it goes forward. @EpokK's solu...
Git: How to remove file from index without deleting files from any repository
...d an intention like “stop tracking this file, but do not delete it”. - now it can, with git rm --cached foo.conf
– Nick Volynkin
Mar 1 '16 at 8:24
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Any reason why scala does not explicitly support dependent types?
...w that Scala is a lot closer to these other languages than is typically acknowledged.
Despite the terminology, dependent sum types (also known as Sigma types) are simply a pair of values where the type of the second value is dependent on the first value. This is directly representable in Scala,
sc...
Portable way to get file size (in bytes) in shell?
...hat stat is not an option, and the wc -c is the top answer for over a year now, so I'm not sure what is the point of this answer.
– user80168
Mar 11 '11 at 15:09
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What is the point of function pointers?
...couple of void pointers to sortable data and a pointer to a function that knows how to compare two elements of these data structures. This allows us to create our function of choice for the job, and in fact even allows for choosing the comparison function at run time, e.g. for sorting ascending or d...
Python string class like StringBuilder in C#?
...(str)
def __str__(self):
return self._file_str.getvalue()
now using it
sb = StringBuilder()
sb.Append("Hello\n")
sb.Append("World")
print sb
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