#ou

LayoutInflater的使用

 在实际工作中,事先写好的布局文件往往不能满足我们的需求,有时会根据情况在代码中自定义控件,这就需要用到LayoutInflater。LayoutInflater在Android中是“扩展”的意思,作用类似于findViewById(),不同的是LayoutInflater是用来获得布...
IT猿 ·2020-03-27

android:gravity 和 android:layout_Gravity属性

  LinearLayout有两个非常相似的属性:android:gravity与android:layout_gravity。 他们的区别在于: android:gravity 属性是对该view中内容的限定.比如一个button上面的text.你可以设置该text相对于vie...

当你触摸并按住触摸目标时候,禁止系统默认菜单-webkit-touch-call

当你触摸并按住触摸目标时候,禁止或显示系统默认菜单。-webkit-touch-callout是一个不规范的属性(unsupportedWebKitproperty),它没有出现在CSS规范草案中。在iOS上,当你触摸并按住触摸的目标,比如一个链接,Safari浏览器将显示链接有关的系统默认菜单。这个属性可以让你禁用系...

【词云】wordcloud安装与使用

wordcloud是一个python实现的高效词频可视化工具,除了可以使用各种mask和颜色提供个性化的掩膜,还可以通过api便捷的挑战获得个性化的词云输出。安装:pipinstallwordcloudwordcloud包含三个主要api:WordCloud([font_path,width,height,…])最重要...

[LeetCode] Longest Substring Without Repeating Characters (LinkedHashSet的妙用)

Givenastring,findthelengthofthelongestsubstringwithoutrepeatingcharacters.Forexample,thelongestsubstringwithoutrepeatinglettersfor"abcabcbb"is"ab...

Connection for controluser as defined in your configuration failed.

在mysql中使用事件调度器(计划任务),语句写好了,运行也ok,可是却没有预期的结果。网上总结了非常多计划任务失效的原因。没有一种适合我。在phpmyadmin中打开事件表,发现以下一串红色的提示:Connectionforcontroluserasdefinedinyourconfigurationfailed.把...

Codeforces Round #262 (Div. 2) 460C. Present(二分)

题目链接:http://codeforces.com/problemset/problem/460/CC.Presenttimelimitpertest2secondsmemorylimitpertest256megabytesinputstandardinputoutputstandardoutputLittlebe...

【PyQt5-Qt Designer】QDoubleSpinBox-小数微调框

大部分的总体说明和QSpinBox的差不多(详见:《PyQt5:微调框1》),这里主要把有差别的地方谈一下(三点)。QDoubleSpinBox会舍去数字,以便以当前精度显示。在QDoubleSpinBox小数设置为2,调用setValue(2.555)将导致value()返回2.56。spinbox的默认精度为2位小...

vue-countTo---简单好用的一个数字滚动插件

vue-countTo是一个无依赖,轻量级的vue组件,可以自行覆盖easingFn。你可以设置 startVal 和 endVal,它会自动判断计数或倒计时。支持vue-ssr。vue-countTo参考于countUp.js;安装使用:npminstallvue-count-to例子:...

How much business logic should be allowed to exist in the controller layer?

Aslittleaspossible.Preferablynone.Thecontrollershouldbeconcernedwithacceptingtherequest,askingthecorrectdomainservicetoprocesstherequest,andhandingofftherespons...

This request has been blocked because sensitive information could be disclosed to third party web sites when this is used in a GET request.

2020-03-1611:04:35,168ERROR[13]:System.InvalidOperationException:Thisrequesthasbeenblockedbecausesensitiveinformationcouldbedisclosedtothirdpartywebsiteswhenthi...

The view 'Index' or its master was not found.

Global.asaxfilecontaintheURLRoute.DefaultURLroutelikethis."{controller}/{action}/{id}"So,Trythis.1.Rightclickyourcontrollermethodasbelow.Example:letsaywecallInd...

Setting up a project with a SQL Source Control project in SSMS

https://documentation.red-gate.com/sca/developing-databases/working-with-the-ssms-add-in/setting-up-a-project-in-ssms/setting-up-a-project-with-a-sql-source-con...

Why you need to understand garbage collection

I’vebeeninterviewinglotsofC#developersrecently,andoneofmystockquestionsis“howdoesthe.NETgarbagecollectorknowwhenyou’vefinishedusinganobject?&r...
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