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What does the exclamation mark mean in a Haskell declaration?
...y to look inside it, probably through a pattern match:
case f of
Foo 0 _ _ _ -> "first arg is zero"
_ -> "first arge is something else"
This is going to execute enough code to do what it needs, and no more. So it will create a Foo with four parameters (because you can't ...
Convert MySql DateTime stamp into JavaScript's Date format
...lit on the string:
// Split timestamp into [ Y, M, D, h, m, s ]
var t = "2010-06-09 13:12:01".split(/[- :]/);
// Apply each element to the Date function
var d = new Date(Date.UTC(t[0], t[1]-1, t[2], t[3], t[4], t[5]));
console.log(d);
// -> Wed Jun 09 2010 14:12:01 GMT+0100 (BST)
Fair warnin...
Convert InputStream to BufferedReader
...
answered Mar 4 '11 at 23:00
ColinDColinD
101k2626 gold badges190190 silver badges194194 bronze badges
...
LINQ to SQL - Left Outer Join with multiple join conditions
...n fg.Where(f => f.otherid == 17).DefaultIfEmpty()
where p.companyid == 100
select f.value
Or you could use a subquery:
from p in context.Periods
join f in context.Facts on p.id equals f.periodid into fg
from fgi in (from f in fg
where f.otherid == 17
select f).Default...
How can I get a list of build targets in Ant?
...
answered Oct 12 '10 at 10:30
GrodriguezGrodriguez
20k1010 gold badges5252 silver badges9292 bronze badges
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How do I check if a C++ std::string starts with a certain string, and convert a substring to an int?
...
507
Use an overload of rfind which has the pos parameter:
std::string s = "tititoto";
if (s.rfind(...
Why does X[Y] join of data.tables not allow a full outer join, or a left join?
...context of each group. Let's say foo is in X, and bar is in Y (along with 20 other columns in Y). Isn't X[Y,sum(foo*bar)] quicker to program and quicker to run than a merge of everything wastefully followed by a subset?
If you want a left outer join of X[Y]
le <- Y[X]
mallx <- merge(X, ...
git: Apply changes introduced by commit in one repo to another repo
...<commit>)
is here to translate <commit> (for example HEAD, or v0.2, or master~2, which are values in the second repository you copy from) into SHA-1 identifier of commit. If you know SHA-1 of a change you want to pick, it is not necessary.
NOTE however that Git can skip copying objects...
PHP Difference between array() and []
...ith []."
– mrwaim
Feb 12 '15 at 12:30
1
@Prof83, You may use $data = new stdClass();$data->som...
How do I import a specific version of a package using go get?
...llow these steps:
go mod init .
go mod edit -require github.com/wilk/uuid@0.0.1`
go get -v -t ./...
go build
go install
Here's more info on that topic - https://github.com/golang/go/wiki/Modules
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