I have seen Apple’s example “TableSearch”. When you touch its scope button, it will appear below the search bar.
http://developer.apple.com/iphone/library/ samplecode/TableSearch/Introduction/Int
Tag: why
Why is PowerDesigner successfully generated a table to Oracle, use SQL operation prompt table or view does not exist
The Oracle database and generator database are successfully designed in powerdesigner. You can see the generated tables with PLSQL Developer, but when you add, delete and modify these tables or seq
Local SQLITE DB Android Content Provider: Why?
I am new to Android development, but I can’t revolve around the content provider, especially the benefits of creating one (if any) for a single application, single database SQLite data source. I ca
iPad – Why does UIALERTCONTROLLER in iOS7 receive NIL values?
Why is it good that UIAlertController in iOS7 needs to be presented but receives nil value when working on iOS8. Maybe I know that is because iOS7 does not support UIAlertController class?
UI
Why do we use NOSQL?
Knowing some of the advantages provided by NoSQL (scalability, usability, etc.), I still don’t know why a website wants to use a non-relational database.
Can I get some help, is it best to use an
Why is the key value to NOSQL DB faster than a traditional relational database
I have suggested that I investigate the Key/Value data system to replace the relational database I have been using.
What I don’t know much about is how to improve query efficiency. From my un
C – Why is PRINTF round floating point number?
I am trying to use printf to print some floating point numbers.
For example:
int main()
{
printf(“%.1f”,76.75);
return 0;
} Output: 76.8
I have some results Question.
First o
.NET – Why is XMLNodelist a one-time?
I can’t find the answer to this question.
Out of curiosity, why the XmlNodeList class implements IDisposable in .NET 4.5, but in the previous Not in the version?
IDisposable asDispos =
Cache – Why does L2ARC provide more acceleration for directory traversal?
L2Arc is usually configured to cache random rotating disk reads on SSD. I have set this configuration and hope to speed up directory traversal.
This is Settings:
# zpool list -v
NAME SI