大约有 41,000 项符合查询结果(耗时:0.0641秒) [XML]

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JavaScript: Check if mouse button down?

...semove='handleMove(this);'>Click and drag me!</div> The :active selector handles the mouse click much better than mouse up/down, you just need a way of reading that state in the onmousemove event. For that I needed to cheat and relied on the fact that the default cursor is "auto" and I ju...
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WAMP/XAMPP is responding very slow over localhost

...\Services\TCPIP6\Parameters Right click on Parameters, expand New, and select DWORD (32-bit) Value Enter DisabledComponents into the Name field Double click on the new DisabledComponents value, enter ffffffff into the Value data dialog box, and click the OK button Confirm the new regist...
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What is the difference between an Azure Web Site and an Azure Web Role

...al Network support Here's a screengrab I took from the Web Sites gallery selection form: I think Web Apps are a great way to get up and running quickly, where you can move from shared to reserved resources. Once you outgrow this, you can then move up to Web Roles and expand as you need. ...
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Lombok annotations do not compile under Intellij idea [duplicate]

...se" to search for non-bundled plugins The "Lombok Plugin" should show up. Select it. Click the green "Install" button. Click the "Restart Intellij IDEA" button. Settings: Enable Annotation processor Go to Preferences -> Build, Execution,Deployment -->Preferences -> Compiler -> An...
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Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?

... select <column> from <table> group by 1 having count(*) > 1; will give a report on duplicated values. – Jasen Aug 26 '16 at 22:57 ...
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Get list of passed arguments in Windows batch script (.bat)

...racters such as &? When I try to retrieve several the path of several selected files (using Send To menu and "%*" which pass the args to a .py) it stops the listing at the & caracters. So if for instance the second file contain a & in its name, the the part of the name after the & w...
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Best way to show a loading/progress indicator?

...e. By the way, Spinner has a different meaning in Android. (It's like the select dropdown in HTML) share | improve this answer | follow | ...
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For each row return the column name of the largest value

...s.method = "first")) %>% # or 'last' filter(dept_rank == 1) %>% select(-dept_rank) # A tibble: 3 x 3 # Groups: id [3] id dept cnt <chr> <chr> <dbl> 1 2 V1 8. 2 3 V2 5. 3 1 V3 9. # if you wanted to keep the original wide data f...
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What is the fastest way to send 100,000 HTTP requests in Python?

... Make sure you install the epoll reactor; otherwise you'll be using select/poll, and it will be very slow. Also, if you're going to actually try to have 100,000 connections open simultaneously (assuming your program is written that way, and the URLs are on different servers), you'll need to ...
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Why does C# not provide the C++ style 'friend' keyword? [closed]

...ly. Typically, a designer desires to expose only a few private methods to selected few other classes. For example, in a class factory pattern it may be desired that class C1 is instantiated only by class factory CF1. Therefore class C1 may have a protected constructor and a friend class factory C...