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Are members of a C++ struct initialized to 0 by default?
...(0),y(0) { }
// other ctors / functions...
};
Will initialize both x and y to 0. Note that you can use x(), y() to initialize them disregarding of their type: That's then value initialization, and usually yields a proper initial value (0 for int, 0.0 for double, calling the default constructor...
getExtractedText on inactive InputConnection warning on android
...rone to problems when the user rapidly alternates between typing something and pressing the button or presses the button when the app is under sufficient load, etc.
Fortunately, I found another way to clear text: Editable.clear(). With this I don't get warnings at all:
if (editText.length() > 0...
逆向工程——二进制炸弹(CSAPP Project) - 操作系统(内核) - 清泛网 - 专注...
...x8(%ebp)输入字符串首字符地址，%ecx = -0xb(%ebp)
另外，根据and $0xf, %eax和mov 0x804a5c0(%eax), %al这两条指令可以知道，source->dest的赋值是根据我们输入每个字符串各位的最低四位(%eax)+0x804a5c0中地址所对应的字符回传给dest的对应地址。...
Interfacing with structs and anonymous unions with c2hs
... postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术
...e__ format
该__attribute__属性可以给被声明的函数加上类似printf或者scanf的特征，它可以使编译器检查函数声明和函数实际调用参数之间的格式化字符串是否匹配。该功能十分有用，尤其是处理一些很难发现的bug。
format的语法格式...
Android DialogFragment vs Dialog
...
Yes, use DialogFragment and in onCreateDialog you can simply use an AlertDialog builder anyway to create a simple AlertDialog with Yes/No confirmation buttons. Not very much code at all.
With regards handling events in your fragment there would be ...
Android map v2 zoom to show all the markers
... have 10 markers in the GoogleMap . I want to zoom in as much as possible and keep all markers in view? In the earlier version this can be achieved from zoomToSpan() but in v2 I have no idea how about doing that. Further, I know the radius of the circle that needs to be visible.
...
How can I display a list view in an Android Alert Dialog?
In an Android application, I want to display a custom list view in an AlertDialog.
11 Answers
...
Display image as grayscale using matplotlib
...s plt
from PIL import Image
fname = 'image.png'
image = Image.open(fname).convert("L")
arr = np.asarray(image)
plt.imshow(arr, cmap='gray', vmin=0, vmax=255)
plt.show()
If you want to display the inverse grayscale, switch the cmap to cmap='gray_r'.
...
Why does an overridden function in the derived class hide other overloads of the base class?
...ding happens, people who respond either say that this called "name hiding" and explain how it works (which you probably already know), or explain how to override it (which you never asked about), but nobody seems to care to address the actual "why" question.
The decision, the rationale behind the n...