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QT之编码风格(low-level)

亡梦爱人 提交于 2020-03-05 15:33:25
原文: https://wiki.qt.io/Qt_Coding_Style 缩进 用4个空格进行缩进 是空格,不是tab 声明变量 在单独的一行声明每一个变量 避免过短或者无意义的变量名(例如:“a”, “rbarr”, “nughdeget”) 单个字符只能用在诸如计数器或者临时变量等作用明显的场合 只有当确定需要这个变量的时候,我们才去声明它 // Wrong int a , b ; char * c , * d ; // Correct int height ; int width ; char * nameOfThis ; char * nameOfThat ; 变量名或者函数名以小写字母开始,变量名后面的每一个连续的单词要用大写字母开始 避免缩写 // Wrong short Cntr ; char ITEM_DELIM = ' ' ; // Correct short counter ; char itemDelimiter = ' ' ; 类总是以大写字母开始。公共类以字母’Q’跟上一个大写字母开始。公共函数大多以字母’q’开始。 首字母缩略词是驼峰式的(e.g. QXmlStreamReader, not QXMLStreamReader) 空格 使用空行将语句组合在一起 始终只使用一个空白行 始终在关键字之后和花括号前使用一个空格 // Wrong if (

Android: unable to show correct hindi words

匿名 (未验证) 提交于 2019-12-03 10:10:24
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 working in android. I am designing an application which shows Hindi words in text view. I am using this code. I used font in my resourses like DroidHindi.ttf, DroidSansFallback.ttf etc. this is showing some words correctly like as So please suggest me what .ttf i should use so each word of Hindi show correctly. 回答1: @Pushpendra I was having same problem with my testing device (HTC phone). But i tried same app on samsung android phone it works properly on it. So i think you should try your app on different device May be this

Correct for missing values in a Stacked area plot using ggplot2

匿名 (未验证) 提交于 2019-12-03 09:52:54
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've been trying to recreate this post on a combination of stacked bar/area plot. I have some problems with missing values though. Here's my data: https://www.dropbox.com/sh/pnkspwnn1qslm6u/JapTKCwqMS What I run is; wa = read . table ( 'wa_class.txt' , sep = "" , header = F , na . string = "0" ) names ( wa )= c ( "Class" , "Jan" , "Feb" , "Mar" , "Apr" , "May" , "Jun" , "Jul" , "Aug" , "Sep" , "Oct" , "Nov" , "Dec" ) wam = melt ( wa ) wam$variablen = as . numeric ( wam$variable ) How it looks like > head ( wam ) Class variable

Whats the correct way, using “init” or “didmove”?

匿名 (未验证) 提交于 2019-12-03 08:44:33
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: Language: Swift 3.0 --- IDE : Xcode 8.0 beta 2 --- Project : iOS Game (SpriteKit) I create a game for iOS and i know Apple is really strict with their rules to accept the app/game. So i want to know which is the correct way to setup a game. I learned from google to create a new SpriteKit Project and do the following setup : In GameViewController.swift clear viewDidLoad() and add all this : override func viewDidLoad() { super.viewDidLoad() let skView = self.view as! SKView let scene = GameScene(size: skView.bounds.size) scene.scaleMode =

Always returning incorrect simple math lua

匿名 (未验证) 提交于 2019-12-03 01:38:01
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 have a very basic Lua script that asks a math question math . randomseed ( os . time ()) print ( "Let's play Math" ) a = math . random ( 1 , 10 ) b = math . random ( 1 , 10 ) io . write ( "What is " .. a .. " + " .. b .. "?" ) answer = io . read () correct = ( a + b ) if ( answer == correct ) then print ( "Correct" ) else print ( "Wrong" ) print ( correct ) -- For debug end For some reason, I am always getting "incorrect" even when answered correctly. I also print out the correct answer, just to make sure the program is handling

Correct Facebook Graph Api Video Insitghts Request PHP SDK

匿名 (未验证) 提交于 2019-12-03 01:09:02
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: foreach ( $videos_edge_array as $key => $video ) { $requests [ $key ] = $fb -> request ( 'GET' , '/' . $video [ 'id' ]. '/video_insights' , [ 'metrics' => 'total_video_views' , 'period' => 'lifetime' ] ); } try { $batchResponse = $fb -> sendBatchRequest ( $requests , $config [ 'FACEBOOK' ][ 'ACCESS_TOKEN' ]); } catch ( Facebook \Exceptions\FacebookResponseException $e ) { // When Graph returns an error echo 'Graph returned an error: ' . $e -> getMessage (); exit ; } catch ( Facebook \Exceptions\FacebookSDKException $e ) { // When

PHPStorm报错:phpcs: Can not correctly run the tool with parameters

匿名 (未验证) 提交于 2019-12-02 22:11:45
原文地址: https://www.xugj520.cn/archives/130.html 报错信息: 11:09 PHP Code Sniffer phpcs: Can not correctly run the tool with parameters: C:/Users/Administrator/AppData/Local/Temp/phpcs_temp.tmp/application/admin/controller/customs/CustomsTotal.php --standard=PSR12 --runtime-set installed_paths E:\phpStudy\php\php-5.6.27-nts --encoding=utf-8 --report=xml --extensions=php,js,css,inc Possible tool process hangup after 5 sec. Exclude CustomsTotal.php from PHP Code Sniffer analysis. 修改方式: 关闭xdebug调试;phpstudy关闭方式,取消打钩 文章来源: https://blog.csdn.net/xu1988923/article/details/91876105

1024 Tester Program

大城市里の小女人 提交于 2019-11-29 12:42:49
描述 测试程序 对于本次比赛,我们首先设计了以下问题(请注意,您无需解决它!): 迷宫中的另一面墙 在ACM / ICPC比赛中,您经常会看到诸如“找到这条迷宫中最短路径”之类的问题。让我们把它转过头来问“给定路径,找到给定路径是最短路径的迷宫”。我们的路径将在矩形网格的规则间隔点之间垂直和水平延伸。问题是计算一组分隔网格点的单位长度挡板(墙),迫使给定路径成为从起点到终点的唯一最短路径。为了使事情变得更有趣,我们将要求不应该构造冗余的墙壁,因为它不应该移除任何墙壁并且仍然具有给定的路径作为唯一的最短路径。以下图为例,考虑通过8的路径?顶行左侧迷宫的5格。两个迷宫中的墙壁位置(右上角)使这条路径独一无二。下排的两个迷宫有问题。 路径在左侧的路径中不是唯一的,右侧有一些冗余的墙。 输入(原问题) 输入文件的第一行包含一个整数t(1≤t≤10),测试用例的数量,后跟每个测试用例的输入数据。每个测试用例的第一行由两个整数W和H(1≤W,H≤100)组成,分别给出网格的宽度和高度。测试用例的第二行包含一个路径。路径始终从左下角开始,(0,0)。它被指定为U(向上),D(向下),L(向左)和R(向右)字符的字符串(没有嵌入的空格)。您可以假设路径保持在迷宫的边界内并且不与自身相交。它可以在迷宫中的任何地方结束(即,不一定在角落中或靠墙壁)。 输出(原问题) 第i个测试用例(从1开始

攻防世界--python-trade

末鹿安然 提交于 2019-11-28 18:34:59
测试文件: https://adworld.xctf.org.cn/media/task/attachments/69c8f29912ae4f679d92a6cd36c33196.pyc 这里需要用到一个pyc文件反编译的工具,可以使用在线 https://tool.lu/pyc/ ,也可以使用命令下载 pip install uncompyle 1.准备 pyc文件就是 py程序编译后得到的字节码文件 (py->pyc) 2.pyc文件逆向 在命令窗口执行 uncompyle6 test.pyc > test.py 打开得到的test.py # uncompyle6 version 3.4.0 # Python bytecode 2.7 (62211) # Decompiled from: Python 2.7.16 (default, Apr 6 2019, 01:42:57) # [GCC 8.3.0] # Embedded file name: 1.py # Compiled at: 2017-06-03 10:20:43 import base64 def encode(message): s = '' for i in message: x = ord(i) ^ 32 x = x + 16 s += chr(x) return base64.b64encode(s)