大约有 5,500 项符合查询结果（耗时：0.0263秒） [XML]
Is a Java hashmap search really O(1)?
...ts, it makes no difference whether it's closer to O(1) or not. Even O(n/10^100) is still O(n). I get your point about efficiency bringing then ratio down but that still puts the algorithm at O(n).
– paxdiablo
Jun 28 '09 at 16:59
...
Using the scrollwheel in GNU screen
...(you need to log out for this to take effect):
XTerm*saveLines: 0
XTerm*vt100.translations: #override \n\
Ctrl <Btn4Down>: string(0x1b) string("[25S") \n\
Lock Ctrl <Btn4Down>: string(0x1b) string("[25S") \n\
Lock @Num_Lock Ctrl <Btn4Down>: string(0x1b) string("[25S") \n\
...
Search all tables, all columns for a specific value SQL Server [duplicate]
...blog post as I do update it from time to time
DECLARE @SearchStr nvarchar(100)
SET @SearchStr = '## YOUR STRING HERE ##'
-- Copyright © 2002 Narayana Vyas Kondreddi. All rights reserved.
-- Purpose: To search all columns of all tables for a given search string
-- Written by: Narayana Vyas Ko...
Git: How to rebase to a specific commit?
...
100
You can avoid using the --onto parameter by making a temp branch on the commit you like and th...
if a ngSrc path resolves to a 404, is there a way to fallback to a default?
... this error function has been called
if (w <= 20) { w = 100; }
if (h <= 20) { h = 100; }
var url = 'http://placehold.it/' + w + 'x' + h + '/cccccc/ffffff&text=Oh No!';
element.prop('src', url);
element.css('bor...
How do I use pagination with Django class based generic ListViews?
...ys them to all of the results in the database. So for a query that returns 100 objects, but shows only ten objects per page, the extra processing will be done on 100 objects.
– wobbily_col
Nov 30 '12 at 10:39
...
how to unit test file upload in django
... Image
from io import StringIO
def create_image(storage, filename, size=(100, 100), image_mode='RGB', image_format='PNG'):
"""
Generate a test image, returning the filename that it was saved as.
If ``storage`` is ``None``, the BytesIO containing the image data
will be passed instead.
...
Does Python have a string 'contains' substring method?
...
100
@aaronasterling Obvious it may be, but not entirely correct. What if you have punctuation or it's at the start or end? What about capitali...
What are the use(s) for tags in Go?
...Int64
Birthday *time.Time
Email string `gorm:"type:varchar(100);unique_index"`
Role string `gorm:"size:255"` // set field size to 255
MemberNumber *string `gorm:"unique;not null"` // set member number to unique and not null
Num int `gorm:"AUTO_INCREMENT"` ...
Returning IEnumerable vs. IQueryable
...DurationSeconds > 10);
var third = second.Where(c => c.WebLogID > 100);
var result = third.Where(c => c.EmailAddress.Length > 11);
Console.Write(result.First().UserName);
In SQL Server profiler we find a command equal to:
"SELECT * FROM [dbo].[WebLog]"
It approximately takes 90 ...