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深入解析ATL - 文档下载 - 清泛网 - 专注C/C++及内核技术
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2.3 CComBSTR类
2.4 CString类
2.5 总结
第3章 ATL智能类型
3.1 智能VARIANT类CComVariant
3.2 智能SAFEARRAY类CComSafeArray
3.3 智能指针类CComPtr和CComQIPtr
3.4 智能指针类CAutoPtr和CAutoVectorPtr
3.5 ATL内存管理器
3.6 总结
第4章 ATL中的...
APP INVENTOR硬件交互学习教程04——蓝牙控制继电器 - 创客硬件开发 - 清泛...
...in, LOW);}
} }
复制代码三、app inventor
3.1界面
3.2程序逻辑块
How can i take an UIImage and give it a black border?
...size.height);
[source drawInRect:rect blendMode:kCGBlendModeNormal alpha:1.0];
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextSetRGBStrokeColor(context, 1.0, 0.5, 1.0, 1.0);
CGContextStrokeRect(context, rect);
UIImage *testImg = UIGraphicsGetImageFromCurrentImageContext(...
UIView with rounded corners and drop shadow?
...s
blueView.layer.cornerRadius = 10
// border
blueView.layer.borderWidth = 1.0
blueView.layer.borderColor = UIColor.black.cgColor
// shadow
blueView.layer.shadowColor = UIColor.black.cgColor
blueView.layer.shadowOffset = CGSize(width: 3, height: 3)
blueView.layer.shadowOpacity = 0.7
blueView.layer....
Android SDK location
...
Update v3.3
Update:
Android Studio 3.1 update, some of the icon images have changed. Click this icon in Android Studio.
Original:
Click this icon in Android Studio for the Android SDK manager
And your Android SDK Location will be here
...
What's a good rate limiting algorithm?
...lowance > rate):
allowance = rate; // throttle
if (allowance < 1.0):
discard_message();
else:
forward_message();
allowance -= 1.0;
There are no datastructures, timers etc. in this solution and it works cleanly :) To see this, 'allowance' grows at speed 5/8 units per secon...
How do I make a LinearLayout scrollable?
...
<?xml version="1.0" encoding="utf-8"?>
<ScrollView ...>
<LinearLayout ...>
...
...
</LinearLayout>
</ScrollView>
...
Using python map and other functional tools
... the different functions, but to access it directly from maptest:
foos = [1.0,2.0,3.0,4.0,5.0]
bars = [1,2,3]
def maptest(foo):
print foo, bars
map(maptest, foos)
With your original maptest function you could also use a lambda function in map:
map((lambda foo: maptest(foo, bars)), foos)
...
Selector on background color of TextView
...lector. So, the necessary changes would look like this:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:state_pressed="true"
android:drawable="@drawable/selected_state" />
</selector&...
How to Customize a Progress Bar In Android
... android:centerColor="#0b131e"
android:centerY="1.0"
android:endColor="#0d1522"
android:angle="270"
/>
</shape>
</item>
<!-- Define the progress properties like start color, end color etc -->
<item...