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List goals/targets in GNU make that contain variables in their definition
...d be output.
/^[^#\t:=%]+:([^=]|$)/ { # found target block
h # hold target
d # delete line
}
/^# File is an intermediate prerequisite/ { # nope
s/^.*$//;x ...
Is there a query language for JSON?
...but with bindings to a wide range of programming languages (Java, node.js, php, ...) and even available in the browser via jq-web.
Here are some illustrations based on the original question, which gave this JSON as an example:
[{"x": 2, "y": 0}}, {"x": 3, "y": 1}, {"x": 4, "y": 1}]
SUM(X) WH...
How to get config parameters in Symfony2 Twig Templates
...te a parameterTwig function:
{{ parameter('jira_host') }}
TwigExtension.php:
class TwigExtension extends \Twig_Extension
{
public $container;
public function getFunctions()
{
return [
new \Twig_SimpleFunction('parameter', function($name)
{
...
Locking a file in Python
...' that happens to be atomic.
# This file opener *must* be used in a "with" block.
class AtomicOpen:
# Open the file with arguments provided by user. Then acquire
# a lock on that file object (WARNING: Advisory locking).
def __init__(self, path, *args, **kwargs):
# Open the file a...
How to order events bound with jQuery
Lets say I have a web app which has a page that may contain 4 script blocks - the script I write may be found in one of those blocks, but I do not know which one, that is handled by the controller.
...
width:auto for fields
Newbie CSS question. I thought width:auto for a display:block element meant 'fill available space'. However for an <input> element this doesn't seem to be the case. For example:
...
C# catch a stack overflow exception
...ws a stack overflow exception. The first call is surrounded by a try catch block but the exception is not caught.
9 Answer...
How can I center an absolutely positioned element in a div?
...
Percentage height is relative to the containing block, in this case <html>. But the <html> element doesn't have a height specified so it takes the height of all the content in the document, which is nothing because the only content is absolutely-positioned (tak...
LAST_INSERT_ID() MySQL
...
It would be possible to save the last_id_in_table1 variable into a php variable to use it later?
With this last_id I need to attach some records in another table with this last_id, so I need:
1) Do an INSERT and get the last_id_in_table1
INSERT into Table1(name) values ("AAA");
SET @l...
About catching ANY exception
How can I write a try / except block that catches all exceptions?
8 Answers
8
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