大约有 41,000 项符合查询结果(耗时:0.0456秒) [XML]

https://stackoverflow.com/ques... 

Making the Android emulator run faster

The Android emulator is a bit sluggish. For some devices, like the Motorola Droid and the Nexus One, the app runs faster in the actual device than the emulator. This is a problem when testing games and visual effects. ...
https://stackoverflow.com/ques... 

html5 - canvas element - Multiple layers

...ver, you could layer multiple <canvas> elements on top of each other and accomplish something similar. <div style="position: relative;"> <canvas id="layer1" width="100" height="100" style="position: absolute; left: 0; top: 0; z-index: 0;"></canvas> <canvas id="layer...
https://stackoverflow.com/ques... 

Why are #ifndef and #define used in C++ header files?

...his case HEADERFILE_H) is defined. Then if it's not defined, it defines it and continues to the rest of the page. When the code is included again, the first ifndef fails, resulting in a blank file. That prevents double declaration of any identifiers such as types, enums and static variables. ...
https://stackoverflow.com/ques... 

What are all the user accounts for IIS/ASP.NET and how do they differ?

...with ASP.NET 4.0 installed there is a whole slew of related user accounts, and I can't understand which one is which, how to they differ, and which one is REALLY the one that my app runs under. Here's a list: ...
https://stackoverflow.com/ques... 

Getting error while sending email through Gmail SMTP - “Please log in via your web browser and then

... I know this is an older issue, but I recently had the same problem and was having issues resolving it, despite attempting the DisplayUnlockCaptcha fix. This is how I got it alive. Head over to Account Security Settings (https://www.google.com/settings/security/lesssecureapps) and enable "Ac...
https://stackoverflow.com/ques... 

What is the reason for performing a double fork when creating a daemon?

...curious as to why a double fork is necessary. I've scratched around google and found plenty of resources declaring that one is necessary, but not why. ...
https://stackoverflow.com/ques... 

Github Windows 'Failed to sync this branch'

I am using Github Windows 1.0.38.1 and when I click the 'Sync' button after committing, I get the error 17 Answers ...
https://stackoverflow.com/ques... 

What is the claims in ASP .NET Identity

...re? There are two common authorization approaches that are based on Role and Claim. Role-Based Security A user gets assigned to one or more roles through which the user gets access rights. Also, by assigning a user to a role, the user immediately gets all the access rights defined for that role....
https://stackoverflow.com/ques... 

What does Expression.Quote() do that Expression.Constant() can’t already do?

...e quote operator is an operator which induces closure semantics on its operand. Constants are just values. Quotes and constants have different meanings and therefore have different representations in an expression tree. Having the same representation for two very different things is extremely confu...
https://stackoverflow.com/ques... 

Do copyright dates need to be updated? [closed]

Every now and then I see a web site that has an old copyright date. In my mind, I always think "Look at the sucker who forgot to update his copyright year!" Then, while I was hard-coding a copyright year into the site I'm currently designing, it suddenly struck me: ...