大约有 47,000 项符合查询结果（耗时：0.0420秒） [XML]
Why can't Python find shared objects that are in directories in sys.path?
...rl.so module is in the system library path, which is distinct and separate from the python library path.
A "quick fix" is to add this path to a LD_LIBRARY_PATH variable. However, setting that system wide (or even account wide) is a BAD IDEA, as it is possible to set it in such a way that some progr...
How to get the input from the Tkinter Text Widget?
...u don't want the last newline character.
Demo
See below demonstration that selects the characters in between the given positions with sliders:
try:
import tkinter as tk
except:
import Tkinter as tk
class Demo(tk.LabelFrame):
"""
A LabeFrame that in order to demonstrate the string r...
Are Stored Procedures more efficient, in general, than inline statements on modern RDBMS's? [duplica
...he query plan that is generated is sub-optimal.
For example, if you send SELECT *
FROM table WHERE id BETWEEN 1 AND
99999999, the DBMS may select a
full-table scan instead of an index
scan because you're grabbing every row
in the table (so sayeth the
statistics). If this is the cached
...
When should I use uuid.uuid1() vs. uuid.uuid4() in python?
I understand the differences between the two from the docs.
6 Answers
6
...
How to get nth jQuery element
...
Why not browse the (short) selectors page first?
Here it is: the :eq() operator. It is used just like get(), but it returns the jQuery object.
Or you can use .eq() function too.
...
Random row from Linq to Sql
...ere row.IsActive // your filter
orderby ctx.Random()
select row).FirstOrDefault();
Note that this is only suitable for small-to-mid-size tables; for huge tables, it will have a performance impact at the server, and it will be more efficient to find the number of rows (Count),...
Fatal Error: Allowed Memory Size of 134217728 Bytes Exhausted (CodeIgniter + XML-RPC)
... @user1767586 then set it to a sane value. You could prevent the script from throwing the error by setting it to 1024M. If this answer said ini_set('memory_limit', '1024M'); You could copy-paste that and be ok. By setting it to -1 you are setting yourself up to have a script that consumes all mem...
What is “String args[]”? parameter in main method Java
...- though it's best to follow convention. You also might see String... args from time to time, which is equivalent.
– vikingsteve
Jun 20 '13 at 6:40
71
...
Pythonic way to create a long multi-line string
...de commas between the string segments, then it will be a tuple.
query = ('SELECT action.descr as "action", '
'role.id as role_id,'
'role.descr as role'
' FROM '
'public.role_action_def,'
'public.role,'
'public.record_def, '
'public.ac...
Visually managing MongoDB documents and collections [closed]
...to keep searching for documents, copy-and-pasting OIDs, etc., especially from a command prompt window (ever tried to "mark" text that wraps multiple lines?)
...