大约有 44,300 项符合查询结果(耗时:0.0505秒) [XML]

https://stackoverflow.com/ques... 

Script parameters in Bash

... 125 The arguments that you provide to a bashscript will appear in the variables $1 and $2 and $3 wh...
https://stackoverflow.com/ques... 

Converting camel case to underscore case in ruby

... underscore self.gsub(/::/, '/'). gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2'). gsub(/([a-z\d])([A-Z])/,'\1_\2'). tr("-", "_"). downcase end end Then you can do fun stuff: "CamelCase".underscore => "camel_case" ...
https://stackoverflow.com/ques... 

How to convert latitude or longitude to meters?

... Here is a javascript function: function measure(lat1, lon1, lat2, lon2){ // generally used geo measurement function var R = 6378.137; // Radius of earth in KM var dLat = lat2 * Math.PI / 180 - lat1 * Math.PI / 180; var dLon = lon2 * Math.PI / 180 - lon1 * Math.PI / 180; ...
https://stackoverflow.com/ques... 

What is the fastest method for selecting descendant elements in jQuery?

... Method 1 and method 2 are identical with the only difference is that method 1 needs to parse the scope passed and translate it to a call to $parent.find(".child").show();. Method 4 and Method 5 both need to parse the selector and then just cal...
https://stackoverflow.com/ques... 

Pairwise crossproduct in Python [duplicate]

... You're looking for itertools.product if you're on (at least) Python 2.6. >>> import itertools >>> a=[1,2,3] >>> b=[4,5,6] >>> itertools.product(a,b) <itertools.product object at 0x10049b870> >>> list(itertools.product(a,b)) [(1, 4), (1, 5), ...
https://stackoverflow.com/ques... 

C# '@' before a String [duplicate]

... answered Feb 2 '11 at 19:54 Mark AveniusMark Avenius 12.6k66 gold badges3636 silver badges4848 bronze badges ...
https://www.tsingfun.com/ilife/tech/1112.html 

当当网第三季度净亏损2810万元 同比由盈转亏 - 资讯 - 清泛网 - 专注C/C++及内核技术

当当网第三季度净亏损2810万元 同比由盈转亏11月25日消息,当当网发布了截至2015年9月30日的2015财年第三季度未审计财报。财报显示,当当网第三季度总净营收为23.719亿元人民币(约合3.732亿美元),同比增长22.6%;净亏损为2810万元...
https://www.tsingfun.com/it/tech/636.html 

CentOS系统下如何挂载第2块磁盘 - 更多技术 - 清泛网 - 专注C/C++及内核技术

CentOS系统下如何挂载第2块磁盘1、查看新硬盘 # fdisk -l新添加的硬盘的编号为 dev sdb 2、硬盘分区 1)进入fdisk模式 # fdisk dev sdb2)输入n进行分区...1、查看新硬盘 # fdisk -l 新添加的硬盘的编号为/dev/sdb 2、硬盘分区 ...
https://www.tsingfun.com/it/ai... 

App Inventor 2能编译出苹果iOS版App吗? - App Inventor 2 中文网 - 清泛...

App Inventor 2能编译出苹果iOS版App吗?app_inventor_2_ios_app如题,首先可以明确地说目前并不支持,只支持iOS版AI伴侣进行测试,但是AI伴侣的版本更新一直都是落后于安卓版的,导致测试时会有一些不兼容或一些奇怪的问题,体验不...
https://www.tsingfun.com/it/ai2/ai2_10.html 

App Inventor 2 手机AI伴侣进行测试时,为啥进度条卡在10%就一直不动? - A...

App Inventor 2 手机AI伴侣进行测试时,为啥进度条卡在10%就一直不动?ai2_10手机AI伴侣测试,几分钟了进度条一直卡在10%,如图:原因很简单:手机和电脑没有在同一局域网内导致的,App Inventor 2 测试原理是电脑端在局域网内启动...