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Set environment variables from file of key/value pairs
TL;DR: How do I export a set of key/value pairs from a text file into the shell environment?
33 Answers
...
Scala: What is a TypeTag and how do I use it?
...la compiler will get rid of deprecated features at some point, to make the set of available features more orthogonal. This is why I like the new macros support because it provides the potential for cleaning up the language, separating some of the features in independent libraries that are not part o...
How does the const constructor actually work?
...ymous storage location combined with
an automatically created getter and setter that reads and updates the
storage, and it can also be initialized in a constructor's initializer
list.
A final field is the same, just without the setter, so the only way to
set its value is in the constru...
What is the purpose of a stack? Why do we need it?
...alysis of their language, not on efficient register allocation of new chip sets.
Now suppose we do it the CIL way. How many CIL generators do you have to write? One per language. How many JIT compilers do you have to write? One per processor. Total: 20 + 10 = 30 code generators. Moreover, the langu...
SQL Server insert if not exists best practice
...ion you can issue a query like this:
DECLARE @CompetitionName VARCHAR(50) SET @CompetitionName = 'London Marathon'
SELECT
p.[CompetitorName] AS [CompetitorName]
FROM
Competitor AS p
WHERE
EXISTS (
SELECT 1
FROM
Competition...
How to call erase with a reverse iterator
... &*(i - 1)
(from a Dr. Dobbs article):
So you need to apply an offset when getting the base(). Therefore the solution is:
m_CursorStack.erase( --(i.base()) );
EDIT
Updating for C++11.
reverse_iterator i is unchanged:
m_CursorStack.erase( std::next(i).base() );
reverse_iterator i is ...
Is there a generic constructor with parameter constraint in C#?
...rry about building a constructor lambda every time:
public static class BaseTypeFactory
{
private delegate BaseType BaseTypeConstructor(int pParam1, int pParam2);
private static readonly Dictionary<Type, BaseTypeConstructor>
mTypeConstructors = new Dictionary<Type, BaseTypeConstr...
How can I get the latest JRE / JDK as a zip file rather than EXE or MSI installer? [closed]
...t everything will work just by copying the contents of the Java folder and setting the environment variables.
30 Answers
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How do I calculate percentiles with python/numpy?
...h P percent of values are found... which means the result must be from the set, not an interpolation between set elements. To get that, you can use a simpler function.
def percentile(N, P):
"""
Find the percentile of a list of values
@parameter N - A list of values. N must be sorted....
How to normalize a path in PowerShell?
...m.IO.Path]::GetFullPath to get a fully qualified expanded path.
Since cd (Set-Location) doesn't change the process current working directory, simply passing a relative file name to a .NET API that doesn't understand PowerShell context, can have unintended side-effects, such as resolving to a path b...