padding | 易学教程

XHTML笔记

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语义化的外标签：一般都带有默认边框；合适的标签做合适的事情 bace:所有的a标签都跳转到外部base：target“_blank” 表格 table ·tr 行 ·td 单元格 ·th 表头 ·caption 表格标题 border 表格边框 cellspacing 单元格与单元格之间的间距 cellpadding 单元格与文本之间的间距 width height align=“center” rowspan 跨行合并 colspan 跨列合并表单 text 输入框 password 密码框 radio 单选框 checkbox 复选框 button 按钮 value 默认值 checked=“checked”单选复选默认选中 submit 提交 file 文件 image 图片 reset 重置绑定元素 <label for="id名称">提示文本</label> <input id="id名称"> 文本域 textarea 下拉框按钮 select option selected=“selected” 表单域 form action="url地址" method="提交方式/get/post" name="表单名称"> ++++++ 各种控件 ++++++ </form> 字体样式 font-weight:400;(不加粗)/700;(加粗) font-size:

Padding in structures in C

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问题 This is an interview question. Till now, I used to think such questions were purely compiler dependent and shouldn\'t worry me, but now, I am rather curious about it. Suppose you are given two structures as: struct A { int* a; char b; } and , struct B { char a; int* b; } So which one would you prefer and why? My answer went like this (though I was somewhat shooting in the dark) that the first structure should be preferred since the compiler allocates space for a structure in some multiples of

移动端适配iPhoneX的方法

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Python strftime - date without leading 0?

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问题 When using Python strftime , is there a way to remove the first 0 of the date if it\'s before the 10th, ie. so 01 is 1 ? Can\'t find a % thingy for that? Thanks! 回答1: Actually I had the same problem and I realized that, if you add a hyphen between the % and the letter, you can remove the leading zero. For example %Y/%-m/%-d . This only works on Unix (Linux, OS X), not Windows (including Cygwin). On Windows, you would use # , e.g. %Y/%#m/%#d . 回答2: We can do this sort of thing with the advent

Keras：DCGAN实践试坑记

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前言吐槽：上周微机终于考完了，可以愉快地学习GAN一GAN了。根据GAN的综述文章所说的来看，最适合入手的肯定还是DCGAN（别问我为啥不试一试原版GAN，看着就不好调……）说实话，这几天是真的调试得我欲仙欲死， BN层有巨坑，学习率有巨坑，甚至网络结构也有坑……各种尝试、模式崩塌、峰回路转，直到昨天才基本吃明白。我这几天真的是进一步的明白了一个好显卡的重要性。感谢老爹的生日礼物！（二手1080Ti~）特别鸣谢：《卷积神经网络：原理与实践》——图书馆借到的，连着看了一个月，直接照亮了我的深度学习之路，让我有了个“广博”的基础《Deep Learning with Python》(Manning)——里面的内容很务实，为我直接提供了可运行的Keras代码，是本次的调试基础实验环境： Anaconda3 5.1.0 + Keras-gpu 2.2.4(Tensorflow后端) + PyCharm + CIFAR10 关于DCGAN：论文网址在这里： https://arxiv.org/abs/1511.06434 原文所述的训练参数和结构图： No pre-processing was applied to training images besides scaling to the range of the tanh activation function [-1,

Android: TextView: Remove spacing and padding on top and bottom

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问题 When I have a TextView with a \\n in the text,, on the right I have two singleLine TextView s, one below the other with no spacing in between. I have set the following for all three TextView s. android:lineSpacingMultiplier=\"1\" android:lineSpacingExtra=\"0pt\" android:paddingTop=\"0pt\" android:paddingBottom=\"0pt\" The first line of the left TextView lines up perfectly with the top right TextView . The second line of the left TextView is a little higher than the second line of the bottom

Add zero-padding to a string

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问题 How do I add \"0\" padding to a string so that my string length is always 4? Example If input \"1\", 3 padding is added = 0001 If input \"25\", 2 padding is added = 0025 If input \"301\", 1 padding is added = 0301 If input \"4501\", 0 padding is added = 4501 回答1: You can use PadLeft var newString = Your_String.PadLeft(4, '0'); 回答2: myInt.ToString("D4"); 回答3: string strvalue="11".PadRight(4, '0'); output= 1100 string strvalue="301".PadRight(4, '0'); output= 3010 string strvalue="11".PadLeft(4,

Adding space/padding to a UILabel

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I have a UILabel where I want to add space in the top and in the bottom. With minimun height in constrainst I've modified it to: EDIT: To do this I've used: override func drawTextInRect(rect: CGRect) { var insets: UIEdgeInsets = UIEdgeInsets(top: 0.0, left: 10.0, bottom: 0.0, right: 10.0) super.drawTextInRect(UIEdgeInsetsInsetRect(rect, insets)) } But I've to find a different method because if I write more than two lines the problem is the same: nunofmendes If you want to stick with UILabel, without subclassing it, Mundi has given you a clear solution. If alternatively you would be willing to

Set padding for UITextField with UITextBorderStyleNone

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问题 I wanted to use a custom background for my UITextFields . This works fine except for the fact that I have to use UITextBorderStyleNone to make it look pretty. This forces the text to stick to the left without any padding. Can I set a padding manually so that it looks similar to UITextBorderStyleRoundedRect except for using my custom background image? 回答1: I found a neat little hack to set the left padding for this exact situation. Basically, you set the leftView property of the UITextField to

记一次线上DPDK-LVS的故障排查

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背景我们内部基于dpdk自研的高性能负载均衡器dpvs已经在多个机房部署上线，运行正常，但近期有多个金融相关的业务反馈，服务数据包在经过dpvs转发后，会出现hang住的情况。问题 dpvs已经在多个机房上线，运行时间已超过半年，为何突然有业务反馈异常反馈问题的业务多与金融区相关（金融区由于其特殊性，会额外增加安全方面的加固策略）为什么问题表现均为服务hang住问题排查首先，我们怀疑与dpvs或与金融的某些安全策略相关，因此我们做了如下测试（后端上跑的均是相同的测试代码，并模拟了服务端逻辑）： client < ----- > dpvs < ----- > rs（金融区）不正常 client < ----- > dpvs < ----- > rs（非金融区）正常 client < ----- > lvs < ----- > rs（金融区）正常 client < ----- > lvs < ----- > rs（非金融区）正常通过1、2组测试能够得出结论：该问题与金融区相关且dpvs转发正常通过3、4组测试能够得出结论：该问题与金融区无关且kernel版lvs转发正常通过1、3组测试能够得出结论：该问题与dpvs有关，经过dpvs的请求不正常通过2、4组测试能够得出结论：该问题与dpvs/lvs无关，经过dpvs/lvs的请求均正常以上4组结论两两冲突

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