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Servlet returns “HTTP Status 404 The requested resource (/servlet) is not available”
...s not conform e.g. 2.5 version or lower. Below is a Servlet 4.0 compatible one (which matches Tomcat 9+, WildFly 11+, Payara 5+, etc).
<?xml version="1.0" encoding="UTF-8"?>
<web-app
xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
...
Get Specific Columns Using “With()” Function in Laravel Eloquent
I have two tables, User and Post . One User can have many posts and one post belongs to only one user .
13 Answe...
No Multiline Lambda in Python: Why not?
... , [1,2,3])
Is this a lambda returning (y, [1,2,3]) (thus map only gets one parameter, resulting in an error)? Or does it return y? Or is it a syntax error, because the comma on the new line is misplaced? How would Python know what you want?
Within the parens, indentation doesn't matter to pytho...
Reason for Column is invalid in the select list because it is not contained in either an aggregate f
...g query:
SELECT a, b
FROM T
GROUP BY a
The output should have two rows, one row where a=1 and a second row where a=2.
But what should the value of b show on each of these two rows? There are three possibilities in each case, and nothing in the query makes it clear which value to choose for b in ...
Visual Studio 2010 annoyingly opens documents in wrong MDI pane
...ths later I no longer seem to have this problem. So props to Josh! If anyone else experiences this same issue then I would suggest trying the above.
– Mike Chamberlain
Feb 20 '11 at 14:03
...
How to get last N records with activerecord?
... In Rails 4 the query generated by .last() is also optimal as Nick mentioned
– Jimmie Tyrrell
Jun 4 '14 at 6:32
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Get first key in a (possibly) associative array?
...alue, reset actually returns it:
$first_value = reset($array);
There is one special case to watch out for though (so check the length of the array first):
$arr1 = array(false);
$arr2 = array();
var_dump(reset($arr1) === reset($arr2)); // bool(true)
...
Get difference between two lists
...
The existing solutions all offer either one or the other of:
Faster than O(n*m) performance.
Preserve order of input list.
But so far no solution has both. If you want both, try this:
s = set(temp2)
temp3 = [x for x in temp1 if x not in s]
Performance test
...
Best way to represent a Grid or Table in AngularJS with Bootstrap 3? [closed]
...
I had the same requirement and solved it using these components:
AngularJS 1.0.8
AngularUI Boostrap 0.10.0: Compatible with AngularJS 1.0.8 and Boostrap CSS 3.x.
ng-grid 2.0.7: Compatible with AngularJS 1.0.8
Bootstrap CSS 3.0
The table component ng-grid is capable of displayin...
The differences between .build, .create, and .create! and when should they be used?
...st a wee bit shorter
I think .build is mostly an alias for .new. It works one way in Rails 3 and another way in Rails < 3.x
The most important part, however, is that these methods can be called through an association (has_many, etc.) to automatically link the two models.
...