大约有 42,000 项符合查询结果（耗时：0.0486秒） [XML]
In C# what is the difference between ToUpper() and ToUpperInvariant()?
In C#, what is the difference between ToUpper() and ToUpperInvariant() ?
6 Answers
...
What are the various “Build action” settings in Visual Studio project properties and what do they do
...for each file selected in Solution Explorer. There are a number of options and it's difficult to know what each one of them will do.
...
How does cookie based authentication work?
...
A cookie is basically just an item in a dictionary. Each item has a key and a value. For authentication, the key could be something like 'username' and the value would be the username. Each time you make a request to a website, your browser will include the cookies in the request, and the host s...
When to use ' (or quote) in Lisp?
...ough the major parts of an introductory Lisp book, I still couldn't understand what the special operator (quote) (or equivalent ' ) function does, yet this has been all over Lisp code that I've seen.
...
Accessing localhost:port from Android emulator
...ith the IP address "10.0.2.2".
This has been designed in this way by the Android team. So your webserver can perfectly run at localhost and from your Android app you can access it via "http://10.0.2.2:<hostport>".
If your emulator must access the internet through a proxy server, you can con...
How to mock ConfigurationManager.AppSettings with moq
...
I believe one standard approach to this is to use a facade pattern to wrap the configuration manager and then you have something loosely coupled that you have control over.
So you would wrap the ConfigurationManager. Something like:
public...
mysqli or PDO - what are the pros and cons? [closed]
In our place we're split between using mysqli and PDO for stuff like prepared statements and transaction support. Some projects use one, some the other. There is little realistic likelihood of us ever moving to another RDBMS.
...
What is the difference between UNION and UNION ALL?
What is the difference between UNION and UNION ALL ?
26 Answers
26
...
Implementing INotifyPropertyChanged - does a better way exist?
...ropertyChanged
{
// boiler-plate
public event PropertyChangedEventHandler PropertyChanged;
protected virtual void OnPropertyChanged(string propertyName)
{
PropertyChangedEventHandler handler = PropertyChanged;
if (handler != null) handler(this, new PropertyChangedEven...
What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
...is no difference at all.
Second representation makes query more readable and makes it look very clear as to which join corresponds to which condition.
share
|
improve this answer
|
...