大约有 1,500 项符合查询结果（耗时：0.0141秒） [XML]
How to create a file in memory for user to download, but not through server?
... a download prompt. Otherwise, it will probably open in the browser.
For CSV, you can use:
<a href="data:application/octet-stream,field1%2Cfield2%0Afoo%2Cbar%0Agoo%2Cgai%0A">CSV Octet</a>
Try the jsFiddle demo.
...
Only read selected columns
....g.: fread("data.txt", select = c(1:7), data.table = FALSE)
2) With read.csv.sql from the sqldf-package:
Another alternative is the read.csv.sql function from the sqldf package:
library(sqldf)
dat <- read.csv.sql("data.txt",
sql = "select Year,Jan,Feb,Mar,Apr,May,Jun from ...
云数据及Firebase组件简介 · App Inventor 2 中文网
...签（必须是文本字符串）和一个值（可以是文本、数字、列表或布尔值），并将该值存储在标签下的 Firebase Web 服务中。 要检索存储在标签下的值，请使用 GetValue 块。 GetValue 获取标签并向 Firebase 服务请求存储的值。 所有安装...
使用Activity启动器组件 · App Inventor 2 中文网
...entor 中设置这些。 还有一个 Extras 属性，它采用键和值的列表并指定相应键的属性值。 你必须设置的特定值取决于你要启动的活动。
这里有些例子。
警告：这些示例中的值取决于应用程序用户设备上的 Android 操作系统版本。 ...
source of historical stock data [closed]
...IS NO LONGER ACCURATE AS THE YAHOO FEED HAS CEASED TO EXIST
Using Yahoo's CSV approach above you can also get historical data!
You can reverse engineer the following example:
http://ichart.finance.yahoo.com/table.csv?s=YHOO&d=0&e=28&f=2010&g=d&a=3&b=12&c=1996&ignore...
How to convert a List into a comma separated string without iterating List explicitly [dupli
...
With Java 8:
String csv = String.join(",", ids);
With Java 7-, there is a dirty way (note: it works only if you don't insert strings which contain ", " in your list) - obviously, List#toString will perform a loop to create idList but it does n...
How to save MySQL query output to excel or .txt file? [duplicate]
...
From Save MySQL query results into a text or CSV file:
MySQL provides an easy mechanism for writing the results of a select
statement into a text file on the server. Using extended options of
the INTO OUTFILE nomenclature, it is possible to create a comma
sepa...
ImageUtil 扩展：图像工具扩展，提供图像处理和变换功能 · App Inventor 2 中文网
...
组件：组件类型，目标图像组件
返回值：列表类型，包含图像属性的列表（宽度、高度等）
Resize 调整大小(组件,新宽度,新高度)
调整图像大小到指定尺寸。
组件：组件类型，目标图像组件
...
Popup弹出菜单扩展 · App Inventor 2 中文网
...项
从字符串设置菜单项
从列表设置菜单项
从文件加载菜单项
菜单项定义格式
菜单文本
图标名称
复选框
其他设置
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How do I load a file from resource folder?
...ntextClassLoader();
InputStream is = classloader.getResourceAsStream("test.csv");
If the above doesn't work, various projects have been added the following class: ClassLoaderUtil1 (code here).2
Here are some examples of how that class is used:
src\main\java\com\company\test\YourCallingClass.ja...