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PostgreSQL query to return results as a comma separated list
...
You can generate a CSV from any SQL query using psql:
$ psql
> \o myfile.csv
> \f ','
> \a
> SELECT col1 AS column1, col2 AS column2 ... FROM ...
The resulting myfile.csv will have the SQL resultset column names as CSV column h...
Is Response.End() considered harmful?
...rmation on response.end so for other searches like myself who wish to post CSV/XML/PDF etc in response to an event without rendering the entire ASPX page, this is how I do it. (overriding the render methods is overly complex for such a simple task IMO)
// Add headers for a csv file or whatever
Resp...
Java: splitting a comma-separated string but ignoring commas in quotes
...
http://sourceforge.net/projects/javacsv/
https://github.com/pupi1985/JavaCSV-Reloaded
(fork of the previous library that will allow the generated output to have Windows line terminators \r\n when not running Windows)
http://opencsv.sourceforge.net/
CSV API f...
JavaScript: Create and save file [duplicate]
... files using just JavaScript. Here is an old example of mine of creating a CSV file. The user will be prompted to download it. This, unfortunately, does not work well in other browsers, especially IE.
<!DOCTYPE html>
<html>
<head>
<title>JS CSV</title>
</head>...
手机蓝牙控制台灯：HC-05 开关、无级调光、定时关灯（附 .aia 源码与单片机...
... → 蓝牙」里和 HC-05 配对（配对码 1234 或 0000）。App 里的列表只显示已配对的设备。
连接：点「选择已配对设备」，选 HC-05。
中途验证：标题栏变成「已连接」，HC-05 的指示灯从快闪变成慢闪（每 2 秒闪两下）。
开关与调...
关于App Inventor 2颜色积木，社区里追问最多的8个问题 - App应用开发 - 清...
...成颜色"块，拖出来，往里面塞一个包含RGB或RGBA值的列表就行。比如列表[255, 0, 0]就是纯红，[0, 255, 0]是纯绿。
方法二：知道颜色数字直接填。 App Inventor 2内部把颜色存成一个整数——比如红色是-65536。如果你在别处看到一...
ValueError : I/O operation on closed file
...ent correctly; your for statement should be inside the with block:
import csv
with open('v.csv', 'w') as csvfile:
cwriter = csv.writer(csvfile, delimiter=' ', quotechar='|', quoting=csv.QUOTE_MINIMAL)
for w, c in p.items():
cwriter.writerow(w + c)
Outside the with block, the...
滚动控制使用指导 · App Inventor 2 中文网
...。大学名单仅作真实名称的滚动内容，不表示排名。大学列表独立占半屏；操作按钮始终在列表外，控制的是大学列表。滚动位置单位安卓dp、鸿蒙vp。
导入 ScrollHandlerAllFeatures.aia，连接最新伴侣，或编译独立安装包。真机／伴...
MLKitTranslator 拓展：离线翻译 · App Inventor 2 中文网
...约 30 MB，做成「管理已下载语言」功能：
when 按钮_模型列表.Click() {
MLKitTranslator1.ListDownloadedModels()
}
when MLKitTranslator1.GotDownloadedModels(count, languageTags) {
标签1.Text = join("已下载 ", count, " 个语言包")
列表显示框1.Elements = languageTa...
数据结构与本地数据库 04：从打包 JSON 读取知识卡片 · App Inventor 2 中文网
...起打包。File.ReadFrom 的 // 前缀表示资产，JSON 顶层必须是列表，每项必须是包含题目和答案的字典。网络客户端在此只负责 JSON 解码，没有联网请求。
先预测，再运行
//data/cards.json 是手机共享目录里的文件吗...