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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...
javascript: recursive anonymous function?
...is not visible outside the function (well, it's not supposed to be; that's one of the weirdnesses). It's like "letrec" in Lisp.
As for arguments.callee, that's disallowed in "strict" mode and generally is considered a bad thing, because it makes some optimizations hard. It's also much slower than...
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"
...
How to break out of nested loops?
...
Works, but ugly and not general. What if someone changes the limit to 2000 (suppose the code is longer, so you don't immediately notice it)?
– ugoren
Mar 14 '12 at 8:17
...
Passing Parameters JavaFX FXML
...answer, but may make a worthwhile blog post for anybody inclined to create one.
Additional information supplied by StackOverflow user named @dzim
Example for Spring Boot Dependency Injection
The question of how to do it "The Spring Boot Way", there was a discussion about JavaFX 2, which I anserwere...
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 ...
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)
...
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
...
Node.js + Nginx - What now?
...ore you need to setup an nginx config file for node.
This is what I have done in my Ubuntu box:
Create the file yourdomain.com at /etc/nginx/sites-available/:
vim /etc/nginx/sites-available/yourdomain.com
In it you should have something like:
# the IP(s) on which your node server is running. ...