small | 易学教程

QLabel sizehint is too small

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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have a QAbstractItemDelegate and in the paint method, I am trying to paint the text from a label. But the problem I am seeing is that the size hint of the QLabel is always too small for the text it contains. How can I fix this? For example: QLabel *testlabel = new QLabel(); testlabel->setText("This is some test text that doesnt fit:"); testlabel->adjustSize(); QRect rect(testlabel->geometry()); Qt::Alignment alignFlags = testlabel->alignment(); painter->setFont(testlabel->font()); painter->drawRect(rect); painter->drawText(rect, alignFlags

Sorting many small arrays in CUDA

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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由翻译强力驱动问题: I am implementing a median filter in CUDA. For a particular pixel, I extract its neighbors corresponding to a window around the pixel, say a N x N ( 3 x 3 ) window, and now have an array of N x N elements. I do not envision using a window of more than 10 x 10 elements for my application. This array is now locally present in the kernel and already loaded into device memory. From previous SO posts that I have read, the most common sorting algorithms are implemented by Thrust. But, Thrust can only be called from the host. Thread -

C++ destruction order: Calling a field destructor before the class destructor

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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Is there any way to call a field destructor before the class destructor? Suppose I have 2 classes Small and Big , and Big contains an instance of Small as its field as such: class Small { public: ~Small() {std::cout << "Small destructor" << std::endl;} }; class Big { public: ~Big() {std::cout << "Big destructor" << std::endl;} private: Small small; }; int main() { Big big; } This, of course, calls the big destructor before the small destructor: Big destructor Small destructor I need the Small destructor to be called before the Big destructor

security flaw - veracode report - crlf injection

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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I got the veracode report for my javaEE app. It had a flaw at any logging (using log4j), so I add the StringEscapeUtils.escapeJava(log) to all of them, but veracode keeps reporting them as security flaws. Is this a right solution? What else can I do? This is the report info: Title: Improper Output Neutralization for Logs Description: A function call could result in a log forging attack. Writing unsanitized user-supplied data into a log file allows an attacker to forge log entries or inject malicious content into log files. Corrupted log

Twitter bootstrap form fields too small

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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I know this topic "sounds" a lot like others that are out there but I've looked through all the existing threads (well "most" anyway) and I still have a problem I could use help on ... The problem is not too dissimilar to what others have described: Certain FORM elements do not display their full vertical height Most notable amongst these is the INPUT type looks sort of anaemic in size when sitting next to a button or "add-on" class More recently I noticed an even more severe problem ... radio buttons become "radio dots" as they are so small

LaTex 插入图片问题

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最近写paper遇到的问题，在这里记录一下，以便下次方便使用．注意有%解释的命令就是需要注意的命令 \begin { figure* } [ t ] \setlength { \abovecaptionskip } { 0.cm } 　　 %缩小图片标题和图片的距离 \setlength { \belowcaptionskip } { -0.5cm } %调整图片标题与下文距离 \begin { center } \includegraphics [ width= 14cm,height= 5.2cm ] { Example.eps } \end { center } \captionsetup { font= { small } } %控制图片标题的字号，small可以替换其他字号 \caption { An Example } \label { fig:BioEventExample } \end { figure* } 文章来源: LaTex 插入图片问题

一个简单调用天气API接口的小例子

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1 @{ 2 Layout = null ; 3 } 4 < link href = "~/Content/css/style.css" rel = "stylesheet" /> 5 < script src = "~/Scripts/jquery-3.3.1.js" ></ script > 6 <! DOCTYPE html > 7 8 <html> 9 <head> 10 < meta name = "viewport" content = "width=device-width" /> 11 <title> CSS3 卡片布局天气预报动画特效</ title > 12 </ head > 13 <body> 14 <div> 15 < div class = "background" > 16 < div class = "big-1" ></ div > 17 < div class = "big-2" ></ div > 18 < div class = "big-3" ></ div > 19 < div class = "big-4" ></ div > 20 < div class = "big-5" ></ div > 21 < div class = "big-6" ></ div > 22 < div class = "big-7" ></ div >

HTML转义字符&url编码表

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ISO Latin-1字符集: — 制表符Horizontal tab — 换行Line feed — 回车Carriage Return — Space ! ! — 惊叹号Exclamation mark ” " " 双引号Quotation mark # # — 数字标志Number sign $ $ — 美元标志Dollar sign % % — 百分号Percent sign & & & Ampersand ‘ ' — 单引号Apostrophe ( ( — 小括号左边部分Left parenthesis ) ) — 小括号右边部分Right parenthesis * * — 星号Asterisk + + — 加号Plus sign , , — 逗号Comma - - — 连字号Hyphen . . — 句号Period (fullstop) / / — 斜杠Solidus (slash) 0 0 — 数字0 Digit 0 1 1 — 数字1 Digit 1 2 2 — 数字2 Digit 2 3 3 — 数字3 Digit 3 4 4 — 数字4 Digit 4 5 5 — 数字5 Digit 5 6 6 — 数字6 Digit 6 7 7 — 数字7 Digit 7 8 8 — 数字8 Digit 8 9 9 — 数字9 Digit 9 : : —

css清除浮动

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.clearfix:after{/*伪元素是行内元素正常浏览器清除浮动方法*/ content: ""; display: block; height: 0; clear:both; visibility: hidden; } .clearfix{ *zoom: 1;/*ie6清除浮动的方式 *号只有IE6-IE7执行，其他浏览器不执行*/ } <body> <div class="fahter clearfix"> <div class="big">big</div> <div class="small">small</div>  </div> <div class="footer"></div> </body> 来源： https://www.cnblogs.com/hyx626/p/11640787.html

opencv_python3使用cv2.imread()、cv2.imwrite()、cv2.imdecode、cv2.imencode读取中文路径报错问题

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场景应用： https://blog.csdn.net/z564359805/article/details/84447377 import cv2 import numpy as np # img_path图片路径需要更换 img=cv2.imdecode(np.fromfile(img_path, dtype=np.uint8), -1) # 以下这个不能处理图片放在中文名字的文件夹中，并且img如果返回None说明路径中有中文 # img = cv2.imread(img_path) # img.shape返回（高度，宽度，通道数）的元组。 if img.shape[0] > img.shape[1]: dim = (600, 800) else: dim = (800, 600) # 修改图片尺寸后生成的图片 img_small = cv2.resize(img, dim) #　img_small_path生成的图片保存路径地址，这个不知道为啥返回None status = cv2.imencode('.jpg', img_small)[1].tofile(img_small_path) # 返回true或false，处理中文路径不是很好 # status = cv2.imwrite(img_small_path, img_small) 来源： CSDN 作者：执笔写回憶

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