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Can not connect to local PostgreSQL
...serwildplasser
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1
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Why is it slower to iterate over a small string than a small list?
...hon3 -m timeit -s 'import random; iterable = "".join(chr(random.randint(0, 127)) for _ in range(100000))' '[x for x in iterable]'
100 loops, best of 3: 3.12 msec per loop
>>> python3 -m timeit -s 'import random; iterable = [chr(random.randint(0, 127)) for _ in range(100000)]' '[x fo...
Elastic Search: how to see the indexed data
...command line, eg:
Check the mapping for an index:
curl -XGET 'http://127.0.0.1:9200/my_index/_mapping?pretty=1'
Get some sample docs:
curl -XGET 'http://127.0.0.1:9200/my_index/_search?pretty=1'
See the actual terms stored in a particular field (ie how that field has been analyzed):
cu...
How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
...zy!
Put all your hosts file entries for localhost into one line like so:
127.0.0.1 localhost myproject.dev myotherproject.dev
::1 localhost
fe80::1%lo0 localhost
Worked like a charm for me. Seems like a bug in Lion.
shar...
Is there a Python Library that contains a list of all the ascii characters?
... I think it is slightly confusing, ASCII is not from a to z but from 0 to 127 codes, that is not only letters.
– Andrey
May 5 '11 at 0:48
4
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MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
...
You probably have an anonymous user ''@'localhost' or ''@'127.0.0.1'.
As per the manual:
When multiple matches are possible, the server must determine which of
them to use. It resolves this issue as follows: (...)
When a client attempts to connect, the server looks th...
Open Redis port for remote connections
...ote access on the redis server?
Before (file /etc/redis/redis.conf)
bind 127.0.0.1
After
bind 0.0.0.0
and run sudo service redis-server restart to restart the server. If that's not the problem, you might want to check any firewalls that might block the access.
Important: If you don't use a f...
How to write a multidimensional array to a text file?
...
atomh33lsatomh33ls
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...
Does git return specific return error codes?
... Darren CookDarren Cook
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...
How to split a string and assign it to variables
...
import (
"fmt"
"strings"
)
func main() {
s := strings.Split("127.0.0.1:5432", ":")
ip, port := s[0], s[1]
fmt.Println(ip, port)
}
Output:
127.0.0.1 5432
One step, for example,
package main
import (
"fmt"
"net"
)
func main() {
host, port, err := net.SplitHost...