大约有 47,000 项符合查询结果（耗时：0.0971秒） [XML]
Good examples of MVVM Template
... |
edited Feb 15 '19 at 8:26
Igor Popov
8,39566 gold badges4444 silver badges6262 bronze badges
answer...
What are the best practices for using a GUID as a primary key, specifically regarding performance?
...s. GUID as Primary and Clustering Key:
Base Table with 1'000'000 rows (3.8 MB vs. 15.26 MB)
6 nonclustered indexes (22.89 MB vs. 91.55 MB)
TOTAL: 25 MB vs. 106 MB - and that's just on a single table!
Some more food for thought - excellent stuff by Kimberly Tripp - read it, read it again, digest...
How do I allow HTTPS for Apache on localhost?
...te the following lines:
Update SSLSessionCache "shmcb:C:\Program Files (x86)\Zend\Apache2/logs/ssl_scache(512000)" to SSLSessionCache "shmcb:C:/Progra\~2/Zend/Apache2/logs/ssl_scache(512000)"
(The brackets in the path confuse the module, so we need to escape them)
DocumentRoot - set this to the fo...
What are the default access modifiers in C#?
...
498
The default access for everything in C# is "the most restricted access you could declare for tha...
Flex-box: Align last row to grid
... |
edited Oct 10 '18 at 4:58
Robin Métral
1,70588 silver badges2323 bronze badges
answered Jan 1...
What is “entropy and information gain”?
... 0 2 5 m
Caroline 1 4 8 f
David 0 2 5 m
The goal is to build a decision tree. An example of a tree would be:
length<7
| num-vowels<3: male
| num-vowels>=3
| | ends-vowel=1: female
| | ...
Number.sign() in javascript
...
78
More elegant version of fast solution:
var sign = number?number<0?-1:1:0
...
How can I avoid Java code in JSP files, using JSP 2?
...
1985
The use of scriptlets (those <% %> things) in JSP is indeed highly discouraged since the ...
How to move all files including hidden files into parent directory via *
...
edited May 23 '17 at 12:18
Community♦
111 silver badge
answered Nov 25 '13 at 11:35
...
What is in your Mathematica tool bag? [closed]
...
edited May 23 '17 at 12:18
community wiki
9 re...