大约有 45,000 项符合查询结果（耗时：0.0684秒） [XML]
Why can't I reference my class library?
I have a solution that contains a website and a class library in Visual Studio 2008.
20 Answers
...
Difference between a “coroutine” and a “thread”?
...ent processing: multiple threads may be executing at any given time. (Traditionally, on single-CPU, single-core machines, that concurrency was simulated with some help from the OS -- nowadays, since so many machines are multi-CPU and/or multi-core, threads will de facto be executing simultaneously,...
Adding an onclick function to go to url in JavaScript?
I am using this fancy little JavaScript to highlight a field as the user hovers over it. Could you please tell me if there is a way of adding an onclick function which will act as a link and go to a URL?
...
Map enum in JPA with fixed values?
...
For versions earlier than JPA 2.1, JPA provides only two ways to deal with enums, by their name or by their ordinal. And the standard JPA doesn't support custom types. So:
If you want to do custom type conversions, you'll have to use a provider extension (with Hibernate UserType, EclipseLink ...
What are 'get' and 'set' in Swift?
...
That's actually explained right before the code:
In addition to simple properties that are stored, properties can have a getter and a setter.
class EquilateralTriangle: NamedShape {
...
When some other class wants to get that perimeter variable, they do this:
let someVar =...
Extracting extension from filename in Python
...
Yes. Use os.path.splitext(see Python 2.X documentation or Python 3.X documentation):
>>> import os
>>> filename, file_extension = os.path.splitext('/path/to/somefile.ext')
>>> filename
'/path/to/somefile'
>>>...
What exactly do the Vagrant commands do?
...
I agree with you that documentation at vagrantup is on the shorter side.
Some information can be gleaned from command help system.
For example: gem command.
Just type the command without arguments: vagrant gem -h and it produces t...
How do I programmatically change file permissions?
...r file attributes is available in Java 7, as part of the "new" New IO facility (NIO.2). For example, POSIX permissions can be set on an existing file with setPosixFilePermissions(), or atomically at file creation with methods like createFile() or newByteChannel().
You can create a set of permission...
UITableView : viewForHeaderInSection: not called during reloadData:
I've set up the tableview with correct delegate and datasource linkages.. the reloadData method calls the datasource and the delegate methods except for viewForHeaderInSection: .
...
.NET Configuration (app.config/web.config/settings.settings)
...pplication settings
Connection strings
retail=true
Smtp settings
Health monitoring
Hosting environment
Machine key
When each environment (developer, integration, test, stage, live) has its own unique settings in the c:\Windows\Microsoft.NET\Framework64\v2.0.50727\CONFIG directory, then you can pro...