overflow | 易学教程

How much is pushed onto a 32-bit stack under Windows x86-64 on an exception?

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问题 In this this question, I give some background on a parallel language I have implemented. The compiler generates native x86-32 code. A key implementation decision is to allocate stack space from the heap for every function (call). This allows for recursion until you run out of VM, and enables a cactus stack for lexical scopes even for nested parallel children, etc. The compiler's code generator can compute how much stack space is needed by the function itself; that's messy but straightforward

Maintain ratio between column in CSS grid. How grid-column is calculated?

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问题 I want my grid to maintain a certain ratio, but a long sentence increases the width of the grid it belongs to. body { display: grid; } main { grid-column: 1 / 8; border: 2px solid black; } aside { grid-column: 8 / 13; border: 2px solid black; } <main> <p>Mauris neque quam, fermentum ut nisl vitae, convallis maximus nisl. Sed mattis nunc id lorem euismod placerat. Vivamus porttitor magna enim, ac accumsan tortor cursus at. Phasellus sed ultricies mi non congue ullam corper. Praesent tincidunt

jni table overflow even after deleteLocalRef

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问题 When I run the code, I get an error "failed adding to JNI local ref table has 512 entries" This is my code: jstring pJNIData = pJNIEnv->NewStringUTF ( variables[0].GetStringValue() ); pJNIEnv->CallStaticVoidMethod ( pJNIActivityClass, pJNIMethodIDStartTime, pJNIData ) ; pJNIEnv->DeleteLocalRef(pJNIData); I have read several suggestions, but none of them work! In spite of the DeleteLocalRef , it fails to works. The function is used in a profiler that literally calls all the functions... 回答1: I

scroll bar on div with overflow:auto and percentage height

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问题 Is it possible to create a div that adjusts to the size of the browser and is also scrollable? I want to use overflow:auto on the div and percentage height of 90% . The structure of the page is <body style="height:100%"> <div id=header style="height:100%">headerinfo</div> <div id=content style="height:100%;overflow:auto">content which is replaced dynamically</div> </body> Will overflow:auto work without a known px height somewhere in the hierarchy? 回答1: In answer to your question, yes

scroll bar on div with overflow:auto and percentage height

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Strange behavior of “overflow: auto” on Chrome

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问题 I'm developing a site with a blog section. I need this section to have a fixed height. In order to be able to see all the posts in the blog I added an overflow: auto so it shows a scrollbar when needed. <div id="container"> <div id="content"> <div class="post"> This is a long post.... </div> <div class="post"> This is a long post.... </div> <div class="post"> This is a long post.... </div> .... .... .... .... </div> </div> #container { overflow: hidden; } #content { height: 200px; overflow:

Causing a buffer Overflow with fgets

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问题 I'm experimenting with buffer overflows and try to overwrite the return address of the stack with a certain input of fgets This is the code: void foo() { fprintf(stderr, "You did it.\n"); } void bar() { char buf[20]; puts("Input:"); fgets(buf, 24, stdin); printf("Your input:.\n", strlen(buf)); } int main(int argc, char **argv) { bar(); return 0; } On a normal execution the program just returns your input. I want it to output foo() without modifying the code. My idea was to overflow the buffer

DIV Scroll属性

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DIV Scroll属性详解，为 DIV层打造不同的滚动条。一、scrollbar属性、样式详解 1．overflow内容溢出时的设置（设定被设定对象是否显示滚动条） overflow-x水平方向内容溢出时的设置 overflow-y垂直方向内容溢出时的设置以上三个属性设置的值为visible(默认值)、scroll(出现滚动条)、hidden(隐藏)、auto()浏览器自动设置)。 2．scrollbar-3d-light-color立体滚动条亮边的颜色（设置滚动条的颜色） scrollbar-arrow-color上下按钮上三角箭头的颜色 scrollbar-base-color滚动条的基本颜色 scrollbar-dark-shadow-color立体滚动条强阴影的颜色 scrollbar-face-color立体滚动条凸出部分的颜色 scrollbar-highlight-color滚动条空白部分的颜色 scrollbar-shadow-color立体滚动条阴影的颜色我们通过几个实例来讲解上述的样式属性： 1.设定多行文本框的滚动条没有水平滚动条 <textarea style="overflow-x:hidden"></textarea> 没有垂直滚动条 <textarea style="overflow-y:hidden"></textarea> 没有滚动条

前端开发-css基础入门

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CSS cascading（层叠） style（样式） sheet（表） css注释 /* 注释内容 */ 快捷键:ctrl ? 引入方式  <div style="width:100px;height:100px;"></div>  <head> <style> div{ background-color: red; height: 100px; width: 100px; } </style> </head>  <link rel="stylesheet" href="css文件路径" > css选择器　　基本选择器元素选择器 div{ } id选择器 #demo 在html中(id="demo") 类选择器 .demo 在html中(class="demo") 通用选择器 *{ } 组合选择器后代选择器 div a 找div下所有的a 直接子元素选择器 div>a 只找下一代a 兄弟选择器 div.a 只找下一个兄弟弟弟选择器 div~a 找到所有兄弟属性选择器 [title] 分组选择器 demo1，demo2 伪类选择器 a:link a:visited a:hover a:sctive input:focus 伪元素选择器 p::before p

overflow --百度百科

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【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> overflow CSS属性 overflow 为CSS中设置当对象的内容超过其指定高度及宽度时如何管理内容的属性。基本特性初始值： visible 适用于： block-level and replaced elements 继承性：无百分比： N/A 媒体： visual 版本： CSS2 兼容性： IE4+ NS6+ 基本语法 overflow-x overflow-y overflow : visible | auto | hidden | scroll 语法取值 visible : 默认值。不剪切内容也不添加滚动条。假如显式声明此默认值，对象将以包含对象的 window 或 frame 的尺寸裁切。并且 clip 属性设置将失效 auto : 在必需时对象内容才会被裁切或显示滚动条 hidden : 不显示超过对象尺寸的内容 scroll : 总是显示滚动条清除浮动设置overflow的一个更流行的用处是，清除浮动。设置overflow并不会在该元素上清除浮动，它将清除自己(self-clear)。意思就是，应用了overflow(auto或hidden)的元素，将会扩展到它需要的大小以包围它里面的浮动的子元素(而不是叠了起来(collapsing))，假设未定义高度。就像这样：