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Can I export a variable to the environment from a bash script without sourcing it?
...tioned, is to use source or . to execute the script in the context of the calling shell:
$ cat set-vars1.sh
export FOO=BAR
$ . set-vars1.sh
$ echo $FOO
BAR
Another way is to have the script, rather than setting an environment variable, print commands that will set the environment variable:
$ c...
Tool for generating railroad diagram used on json.org [closed]
...t export to image or another type.
http://j-algo.binaervarianz.de/index.php
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Create an index on a huge MySQL production table without table locking
... * from website_development.users where id = 41225\G'>/dev/null) 2>&1 | grep real;
(time mysql -uroot -e 'update website_development.users set bio="" where id = 41225\G'>/dev/null) 2>&1 | grep real;
done
) | cat -n &
PID=$!
sleep 0.05
echo "Index Update - START"
mysql ...
How to sort a list of lists by a specific index of the inner list?
I have a list of lists. For example,
10 Answers
10
...
How to split text without spaces into list of words?
...el the distribution of the output. A good first approximation is to assume all words are independently distributed. Then you only need to know the relative frequency of all words. It is reasonable to assume that they follow Zipf's law, that is the word with rank n in the list of words has probabilit...
Converting unix timestamp string to readable date
...Python, and I'd like to convert it to a readable date. When I use time.strftime , I get a TypeError :
15 Answers
...
How can I download HTML source in C#
...
basically:
using System.Net;
using System.Net.Http; // in LINQPad, also add a reference to System.Net.Http.dll
WebRequest req = HttpWebRequest.Create("http://google.com");
req.Method = "GET";
string source;
using (StreamReader...
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)
{
...
Delete sql rows where IDs do not have a match from another table
...
Using LEFT JOIN/IS NULL:
DELETE b FROM BLOB b
LEFT JOIN FILES f ON f.id = b.fileid
WHERE f.id IS NULL
Using NOT EXISTS:
DELETE FROM BLOB
WHERE NOT EXISTS(SELECT NULL
FROM FILES f
...