大约有 44,000 项符合查询结果（耗时：0.0435秒） [XML]
Is 23,148,855,308,184,500 a magic number, or sheer chance?
...ssibly the number hex 1250 = dec 4688 is the minimum to cause some sort of extra methods of fraud checking. If it is exactly equal to this a bug in the code is introduced?
– PeteT
Aug 9 '09 at 4:12
...
How to unit test an object with database queries
...a, but applies to all OO-languages)
class Database {
public Result query(String query) {... real db here ...}
}
class MockDatabase extends Database {
public Result query(String query) {
return "mock result";
}
}
class ObjectThatUsesDB {
public ObjectThatUsesDB(Database db) {
this....
What are the differences between a pointer variable and a reference variable in C++?
..., the lifetime of that object becomes the lifetime of the reference.
std::string s1 = "123";
std::string s2 = "456";
std::string s3_copy = s1 + s2;
const std::string& s3_reference = s1 + s2;
In this example s3_copy copies the temporary object that is a result of the concatenation. Whereas s3...
Why are unnamed namespaces used and what are their benefits?
...ace unique;
namespace unique { /* namespace body. stuff in here */ }
The extra step using the empty body is important, so you can already refer within the namespace body to identifiers like ::name that are defined in that namespace, since the using directive already took place.
This means you ca...
Selecting data from two different servers in SQL Server
... ]
[ , [ @location= ] 'location' ]
[ , [ @provstr= ] 'provider_string' ]
[ , [ @catalog= ] 'catalog' ]
Read more about sp_addlinkedserver.
You have to create linked server only once. After creating linked server, we can query it as follows:
select * from LinkedServerName.Datab...
How to attach javadoc or sources to jars in libs folder?
...f you are only going to link the Javadoc and not the source code, I had to extract the Javadoc jar with 7zip to a folder in My Documents, then have the properties file point to the folder with the Javadoc index.html directly like so doc=C:\\Users\\johny\\workspacenewfb\\robotium-solo-4.0-javadoc
...
AngularJS: how to implement a simple file upload with multipart form?
...hen once all uploads are done, client sends another PUT/POST request which extra data and ids of the files that are uploaded for this request. Then the server would save the record with associated files. It is like gmail when you upload files and then send the email.
– danial
...
Convert from enum ordinal to enum type
...the database. Furthermore, it's better to use int manipulation rather than String...
– user660940
Mar 15 '11 at 16:06
...
iOS: Multi-line UILabel in Auto Layout
...nally figured it out.
Here's the key: Interface Builder likes to throw in extra constraints as you add and move views and you may not notice. In my case, I had a view half way down that had an extra constraint that specified the size between it and its superview, basically pinning it to that point....
Load view from an external xib file in storyboard
...want to reference:
public protocol NibLoadable {
static var nibName: String { get }
}
public extension NibLoadable where Self: UIView {
public static var nibName: String {
return String(describing: Self.self) // defaults to the name of the class implementing this protocol.
}
...