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WheelView：滚轮选择框扩展 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
WheelView, like number picker, but can be any strings.original code from WheelView: 效果类似android4.0以上原生的DatePicker 18Thanks @wildcontrol to sponsor this extensionDemo picture:this demo used 3 extensionsAll the blocks
来源：https://wangsk789.github.io/wheelview/
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【iOS】有关苹果iOS App的一些进展、BluetoothLE蓝牙拓展等 - App Inventor...
...iOS versus Android is that iOS identifies BLE devices using a UUID derived from a combination of the iOS device and the BLE device rather than using a MAC address like on Android. Therefore, you cannot expect that any of the blocks that connect via MAC address to work the same across platforms.
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How to scroll to bottom in a ScrollView on activity startup
... Instead post() use postDelayed() with 100ms delay. it will work from any activitys life-cycle point.
– Vitaliy A
Jun 3 '15 at 13:39
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Autoresizing masks programmatically vs Interface Builder / xib / nib
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
Not the answer you're looking for? Browse other questions t...
JUnit Testing Exceptions [duplicate]
...t the exception?
for newer junit (>= 4.7), you can use something like (from here)
@Rule
public ExpectedException exception = ExpectedException.none();
@Test
public void testRodneCisloRok(){
exception.expect(IllegalArgumentException.class);
exception.expectMessage("error1");
new Rod...
What does “abstract over” mean?
...e element type is kind of "hidden" in the second method.
A consequence from our event streams
being first-class values is that we
can abstract over them.
In Swing an event just "happens" out of the blue, and you have to deal with it here and now. Event streams allow you to do all the plumb...
Remove multiple spaces and new lines inside of String
... best "plain ruby" answer, and works properly for stripping leading spaces from a multiline string.
– Koen.
Jan 11 '17 at 23:58
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Why does pthread_cond_wait have spurious wakeups?
...ous wakeup' could mean:
A thread blocked in pthread_cond_wait can return from the call even though no call to pthread_call_signal or pthread_cond_broadcast on the condition occurred.
A thread blocked in pthread_cond_wait returns because of a call to pthread_cond_signal or pthread_cond_broadcast, h...
Cocoa: What's the difference between the frame and the bounds?
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A small tip - using NSStringFromCGRect can save some time to log rects.
– beryllium
May 27 '12 at 15:59
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The split() method in Java does not work on a dot (.) [duplicate]
... prepared a simple code snippet in order to separate the erroneous portion from my web application.
7 Answers
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