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Datatype for storing ip address in SQL Server
...r, but still retain the code-reuse of a function is to use an iTVF (inline table-valued function) instead. Here's how the first function above (string to binary) can be re-written as an iTVF:
CREATE FUNCTION dbo.itvfBinaryIPv4(@ip AS VARCHAR(15)) RETURNS TABLE
AS RETURN (
SELECT CAST(
...
What's a correct and good way to implement __hash__()?
...nswer below mentions, hash method should not be defined/overridden for a mutable object (defined by default and uses id for equality and comparison).
– Mr Matrix
Jan 5 at 20:14
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Code coverage with Mocha
...text mocha"
}
}
Run
Now run your tests
npm test
and you will see a table like this in your console, just after your tests output:
Customization
Html report
Just use
nyc --reporter=html
instead of text. Now it will produce a report inside ./coverage/index.html.
Report formats
Istanb...
Convert Linq Query Result to Dictionary
...
Try using the ToDictionary method like so:
var dict = TableObj.ToDictionary( t => t.Key, t => t.TimeStamp );
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AttributeError(“'str' object has no attribute 'read'”)
... file containing a JSON document) to a Python object using this conversion table.
json.loads - Deserialize s (a str, bytes or bytearray instance containing a JSON document) to a Python object using this conversion table.
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UnboundLocalError on local variable when reassigned after first use
...nitialized. In a fully compiled language, it would just go into the symbol table and wait for the parse, but since it WON'T have the luxury of a second pass, the lexer does a little extra work to make life easier later on. Only, then it sees the OPERATOR, sees that the rules say "if you have an op...
DBMS_OUTPUT.PUT_LINE not printing
...(firstName, lastName) and then the other values from the select query in a table below.
6 Answers
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Legality of COW std::string implementation in C++11
...very string operation, even const ones, or the complexity of a lock-free mutable reference-counted structure, and after all that you only get sharing if you never modify or access your strings, so many, many strings will have a reference-count of one. Please do provide code, feel free to ignore noex...
MySQL Results as comma separated list
... you can use just concat()
Select concat(Col1, ',', Col2) as Foo_Bar from Table1;
edit this only works in mySQL; Oracle concat only accepts two arguments. In oracle you can use something like select col1||','||col2||','||col3 as foobar from table1;
in sql server you would use + instead of pipes....
What is the difference between “text” and new String(“text”)?
...al is needed, use of this constructor is unnecessary since strings are immutable.
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Strings are objects in Java, so why don’t we use ‘new’ to create them?
What referential distinction means
Examine the follow...