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How can I use “:” as an AWK field separator?
...s between the third case and all others. Example : awk 'BEGIN{print split("foo:bar",a)}' FS=":" file and awk 'BEGIN{FS=":"; print split("foo:bar",a)}' file
– kvantour
Dec 6 '18 at 19:20
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How do I get the current time zone of MySQL?
...are not stored with timezone information in MySQL:
mysql> create table foo (tstamp datetime) Engine=MyISAM;
Query OK, 0 rows affected (0.06 sec)
mysql> insert into foo (tstamp) values (now());
Query OK, 1 row affected (0.00 sec)
mysql> set time_zone = '+01:00';
Query OK, 0 rows affected ...
Share cookie between subdomain and domain
...tees for sibling domains (and
their subdomains). For example, consider foo.example.com and
bar.example.com. The foo.example.com server can set a cookie with a
Domain attribute of "example.com" (possibly overwriting an existing
"example.com" cookie set by bar.example.com), and the user ...
gitignore does not ignore folder
In the root of my project I have a foo folder. Inside the foo folder I have a bar folder. I would like to ignore all changes to all files inside my bar folder. I have this in my gitignore :
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What does PHP keyword 'var' do?
...s been un-deprecated and is a synonym for 'public'.
Example usage:
class foo {
var $x = 'y'; // or you can use public like...
public $x = 'y'; //this is also a class member variables.
function bar() {
}
}
...
Does Flask support regular expressions in its URL routing?
..., port=5000)
this URL should return with 200: http://localhost:5000/abc0-foo/
this URL should will return with 404: http://localhost:5000/abcd-foo/
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SQL query for finding records where count > 1
...9-12-14'),
(2,789,77777,'2009-12-14'),
(2,789,77777,'2009-12-14');
select foo.user_id, foo.cnt from
(select user_id,count(account) as cnt, dt from payment group by account, dt) foo
where foo.cnt > 1;
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TypeError: ObjectId('') is not JSON serializable
..., Code
>>> from bson.json_util import dumps
>>> dumps([{'foo': [1, 2]},
... {'bar': {'hello': 'world'}},
... {'code': Code("function x() { return 1; }")},
... {'bin': Binary("")}])
'[{"foo": [1, 2]}, {"bar": {"hello": "world"}}, {"code": {"$code": "function x()...
How to convert a ruby hash object to JSON?
...
You can also use JSON.generate:
require 'json'
JSON.generate({ foo: "bar" })
=> "{\"foo\":\"bar\"}"
Or its alias, JSON.unparse:
require 'json'
JSON.unparse({ foo: "bar" })
=> "{\"foo\":\"bar\"}"
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Import CSV to SQLite
..."separator ," into ".mode csv". So you could try:
sqlite> create table foo(a, b);
sqlite> .mode csv
sqlite> .import test.csv foo
The first command creates the column names for the table. However, if you want the column names inherited from the csv file, you might just ignore the first li...