Qt Quick provides a class animatedimage that can play Gif animations, using simple, here is an example.Here is the Gif image used:AnimatedimageThe Animatedimage provides five properties:
Currentframe, indicating the number of frames currently being played
Framecount, indicating the total number of frames of the picture
Paused, indicating whether to pause, set it to pause or resume playback
Protocolvalue.simpledescription//Uncomment to see the error
Even though the type of the Protocolvalue variable runtime is simpleclass, the compiler will take its type as Exampleprotocol. This means that you cannot invoke a method or property that the class implements outside of the interface it implements.Generic typeWrite a name in angle brackets to create a generic function or type.
Func repeat
var result = itemtype[] ()
For I in 0..times {
Result + = Item
}
1. First run the game, quick to play with the screenshot software only when the game is running can take screenshots operation, the default shortcut key is Alt+q, then the following page will appear:
In the yellow box is a screenshot of the selection area, the player can be moved by the mouse to select the size of the area to adjust, the red box is the operation status bar, can be edited to save pictures
language Pack: https://www.python.org/you will find two versions of the Python language pack. So how exactly should we make the choice?
Is the difference between the two. We recommend using the 2.x version in our learning phase.2. Installation of the development tools.Development tools we use Pycharm. Yes: https://www.jetbrains.com/. We choose to download the community version. The default installation is available.(Optional configuration)For ease of use, we configure the environment varia
also be associated with the (dede_archives) Main Table's Channel field ...The four important tables are dede_addonarticle (additional table)Dedecms's designers believe that both the article and the product will have the same information, they are stored in the (dede_archives) Main Table,But for example our common novel website, the novel has the author who, again but if is in the shopping mall, the commodity may not necessarily have the author who is.So they generate a corresponding (dede_addon
picture, or change the number of pages yourselfLinks = self.__get_img_links (x)tasks = [Asyncio.ensure_future (self.__download_img ((link[' id '), link[' links '] [' Download ']))))loop = Asyncio.get_event_loop ()Loop.run_until_complete (asyncio.wait (Tasks))If Self.num >= 10: # test speed use, if you need to download more than one picture can comment this codeBreakEnd = Time.time ()Print (' Total run%s '% (End-start))def main ():Spider = Spider ()Spider.run ()if __name__ = = ' __main__ ':Main
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