大约有 47,000 项符合查询结果（耗时：0.0540秒） [XML]
Postgis installation: type “geometry” does not exist
...ing following code
CREATE EXTENSION postgis;
In detail,
open pgAdmin
select (click) your database
click "SQL" icon on the bar
run "CREATE EXTENSION postgis;" code
share
|
improve this answer
...
How do I pre-populate a jQuery Datepicker textbox with today's date?
...
$(".selector").datepicker().datepicker("setDate", new Date()); will work and doesn't make jQuery search the DOM twice.
– abc123
Aug 1 '13 at 20:36
...
Dropping Unique constraint from MySQL table
...AINT unq_tab_id UNIQUE(id));
-- checking constraint name if autogenerated
SELECT * FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE TABLE_NAME = 'tab';
-- dropping constraint
ALTER TABLE tab DROP CONSTRAINT unq_tab_id;
db<>fiddle demo
...
How to merge two sorted arrays into a sorted array? [closed]
...
+1, Thanks for sharing. One question: why did you select the type of array and type of variable 'temp', long?
– Hengameh
Jul 13 '15 at 3:49
...
Environment variable substitution in sed
...
The selected answer describes a workaround ... don't use slash for the delimiter
– Eddie
Feb 18 '14 at 22:16
...
Why is printing “B” dramatically slower than printing “#”?
... and click Options. After that click Editor and go to Formatting tab. Then select Anywhere in Line Wrap Option. It will take almost 6.24% less time to compile the program.
share
|
improve this an...
Print current call stack from a method in Python code
... @RichieHindle's excellent answer which implements a decorator that can be selectively applied to functions as desired. Works with Python 2.7.14 and 3.6.4.
from __future__ import print_function
import functools
import traceback
import sys
INDENT = 4*' '
def stacktrace(func):
@functools.wraps(...
How to remove/change JQuery UI Autocomplete Helper text?
..... }] So when the user types Ca Cats will show up in the dropdown and when selected or clicked it can populate a hidden field with the url for example.
– TK123
Mar 7 '13 at 16:08
...
ToList()— does it create a new list?
...ublic static void RunChangeList()
{
var objs = Enumerable.Range(0, 10).Select(_ => new MyObject() { SimpleInt = 0 });
var whatInt = ChangeToList(objs); // whatInt gets 0
}
public static int ChangeToList(IEnumerable<MyObject> objects)
{
var objectList = objects.ToList();
o...
Undo git update-index --skip-worktree
...-v will print all files with their status
grep -i ^S will filter files and select only skip worktree (S) or skip worktree and assume unchanged (s), -i means ignore case sensitive
cut -c 3- will remove status and leave only paths, cutting from the 3-rd character to the end
tr '\012' '\000' will repla...