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FloatActionBtn 扩展：悬浮操作按钮扩展，可自定义颜色、大小、图标和位置 ...
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FloatActionBtn 是一个免费的悬浮操作按钮扩展，为 App Inventor 平台提供可定制的 Material Design 风格悬浮按钮。该扩展支持自定义 PNG 图标、默认加号图标、颜色、大小、位置、边距控制和触摸效果。
与 FloatingAction...
不到20个积木块，我用App Inventor 2给女儿做了个接星星小游戏 - App应用开...
...必须在画布上
• 图像精灵（ImageSprite）：可以用图片作为外观的运动对象
• 球形精灵（Ball）：圆形精灵，适合做小球、子弹、星星等
我的方案很直接：
• 用画布作为游戏主界面
• 星星用球形精灵（Ball）实现，修改填...
Downloading a large file using curl
...URLOPT_RETURNTRANSFER has to be true in case you are getting file like pdf/csv/image etc.
You may find the further detail over here(correct url) Curl Doc
From that page:
curl_setopt($request, CURLOPT_TIMEOUT, 300); //set timeout to 5 mins
curl_setopt($request, CURLOPT_RETURNTRANSFER, true); // t...
How do I add files without dots in them (all extension-less files) to the gitignore file?
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In my folders there are lots of files with *.c, *.h, *.txt, *.csv etc. extensions and binary files without any extension. So I needed to ignore all files execpt *.c,*.h and .gitignore, So this works for me, from the .gitignore example:
*/* #ignore all files in each directory
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REST / SOAP endpoints for a WCF service
...e it hosted on many different endpoints (i.e. SOAP + REST, with XML, JSON, CSV, HTML outputes). You should also consider using ServiceStack which I've built for exactly this purpose where every service you develop is automatically available on on both SOAP and REST endpoints out-of-the-box without a...
移动前端开发之viewport的深入理解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...动设备上的viewport都是要大于浏览器可视区域的，这是因为考虑到移动设备的分辨率相对于桌面电脑来说都比较小，所以为了能在移动设备上正常显示那些传统的为桌面浏览器设计的网站，移动设备上的浏览器都会把自己默认的v...
Read a text file using Node.js?
... large, as it will be all be read into memory, if you process say a 1000mb CSV file look at fs.createFilestream, you will need to take care with line splitting though as the data chunks wont (in most cases) fall on the line boundaries (some people have already came up with solutions - google)
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C++常用排序算法汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ude<stdlib.h>
/*
第一种形式的选择排序
选择排序后的顺序为从小到大
*/
void Select_Sort1(int *arr,int len)
{
int i,j;
for(i=0;i<len;i++)
for(j=i+1;j<len;j++)
if(arr[i] > arr[j])
{
int exchange = arr[i];
arr[i] = arr[j];
arr[j] = exchange;
}...
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
...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2810万元人民币(约合440万美元)，去年同期为净利润2450万元人民币。11月25日消息，当当网发布了截至2015年9月30...
Real World Example of the Strategy Pattern
...call
Outputting: We need to output X as a plain string, but later may be a CSV, XML, JSON, etc.
Examples
I have a project where the users can assign products to people in a database. This assignment of a product to a person has a status which is either "Approved" or "Declined", which is depende...