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HAXM 安装/启动失败？ - App Inventor 2 离线版 - 清泛IT社区，为创新赋能！
...t;GET /echeck/ HTTP/1.1" 200 39
handleCpuAcceleration: feature check for hvf
emulator: ERROR: x86_64 emulation currently requires hardware acceleration!
CPU acceleration status: Unable to open HAXM device: ERROR_FILE_NOT_FOUND
More info on configuring VM acceleration on Windows:
https://de...
【研究中】MQTT接入OneNET物联网平台 - 创客硬件开发 - 清泛IT社区，为创新赋能！
网址：https://open.iot.10086.cn/
注册，及实名验证。https://baijiahao.baidu.com/s?id ... 0&wfr=spider&for=pc
非常的详细，就是我想要的步骤。
https://blog.csdn.net/xiaolong11 ... e/details/144806792
这个更详细。
Full screen background image in an activity
...re several ways you can do it.
Option 1:
Create different perfect images for different dpi and place them in related drawable folder. Then set
android:background="@drawable/your_image"
Option 2:
Add a single large image. Use FrameLayout. As a first child add an ImageView. Set the following in ...
Is there an equivalent for the Zip function in Clojure Core or Contrib?
...zip3, ... family can be regarded as a specialisation of the zipWith family for the common use case of tupling).
In contrast, Clojure and other Lisps have good support for variable arity functions; map is one of them and can be used for "tupling" in a manner similar to Haskell's
zipWith (\x y ->...
HTML input file selection event not firing upon selecting the same file
Is there any chance to detect every file selection the user made for an HTML input of type file element?
7 Answers
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UIRefreshControl - beginRefreshing not working when UITableViewController is inside UINavigationCont
...efreshControl.frame.size.height) animated:YES];
I would guess the reason for this is that it could be undesirable to scroll to the refresh control when user is in the middle/bottom of the table view?
Swift 2.2 version by @muhasturk
self.tableView.setContentOffset(CGPoint(x: 0, y: -refreshControl...
Set android shape color programmatically
...ario where background is an instance of ColorDrawable. Thanks Tyler Pfaff, for pointing this out.
The drawable is an oval and is the background of an ImageView
Get the Drawable from imageView using getBackground():
Drawable background = imageView.getBackground();
Check against usual suspect...
In Python, how do I index a list with another list?
...
T = [L[i] for i in Idx]
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AngularJS Directive Restrict A vs E
...creating a component that is in control of the template. The
common case for this is when you are creating a Domain-Specific
Language for parts of your template. Use an attribute when you are
decorating an existing element with new functionality.
Edit following comment on pitfalls for a comp...
How do I know that the UICollectionView has been loaded completely?
...
// In viewDidLoad
[self.collectionView addObserver:self forKeyPath:@"contentSize" options:NSKeyValueObservingOptionOld context:NULL];
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
{
// You will ge...