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Scala constructor overload?
...on[T] = new Expectation[T] {val expected = expd }
def main(args: Array[String]): Unit = {
val expectTrueness = Expectation(true)
…
}
}
Note that I explicitly define each apply to return Expectation[T], else it would return a duck-typed Expectation[T]{val expected: L...
How do I retrieve the number of columns in a Pandas data frame?
...ook at the pandas descriptor for shape, it calls len(df.columns) but numpy arrays and matricies have them as an attribute. most efficient vectorized operations can be done with regular python syntas as opposed to vectorized operations and is almost always wrong (numba/jit operations excepted from t...
No provider for “framework:jasmine”! (Resolving: framework:jasmine)
...smine will not solve the issue. you have to add 'karma-jasmine' to plugins array like plugins: ['karma-jasmine'].
– Thaadikkaaran
Mar 4 '16 at 10:39
...
Psql list all tables
...d.datcollate as "Collate",
d.datctype as "Ctype",
pg_catalog.array_to_string(d.datacl, E'\n') AS "Access privileges"
FROM pg_catalog.pg_database d
ORDER BY 1;
**************************
so you can see that psql is searching pg_catalog.pg_database when it gets a list of databases. Sim...
How to skip to next iteration in jQuery.each() util?
I'm trying to iterate through an array of elements. jQuery's documentation says:
6 Answers
...
How to find duplicates in 2 columns not 1
...p by fkPRODUCT_CATEGORY_ID, fkPRODUCT_ID having count(*) > 1');
if (!is_array($dupes))
return true;
foreach ($dupes as $dupe) {
$db->query('delete from PRODUCT_CATEGORY_PRODUCT where fkPRODUCT_ID = ' . $dupe['fkPRODUCT_ID'] . ' and fkPRODUCT_CATEGORY_ID = ' . $dupe['fkPRODUCT_CATEGORY_...
from jquery $.ajax to angular $http
...onse) {
$scope.getting = response.data; // response.data is an array
}).error(){
// Error callback will trigger
});
http://www.drtuts.com/ajax-requests-angularjs/
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How to handle multiple heterogeneous inputs with Logstash?
...e last tag (bbb)? And then again, in the if statememt, if the tags were an array or single string, then both IF's would work. So logically this is incorrect, but maybe logstash has a different logic inside if's
– meso_2600
Oct 28 '18 at 18:06
...
What are Unwind segues for and how do you use them?
...gue to B. Now the navigation controller has A and B in its viewControllers array, and B is visible. Now you present C modally.
With unwind segues, you could now unwind "back" from C to B (i.e. dismissing the modally presented view controller), basically "undoing" the modal segue. You could even unw...
File content into unix variable with newlines
...ge 4 has the mapfile builtin to read lines from the standard input into an array variable.
help mapfile
mapfile < file.txt lines
printf "%s" "${lines[@]}"
mapfile -t < file.txt lines # strip trailing newlines
printf "%s\n" "${lines[@]}"
See also:
http://bash-hackers.org/wiki/doku.ph...