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Can you get the column names from a SqlDataReader?
...= cmd.ExecuteReader();
var columns = new List<string>();
for(int i=0;i<reader.FieldCount;i++)
{
columns.Add(reader.GetName(i));
}
or
var columns = Enumerable.Range(0, reader.FieldCount).Select(reader.GetName).ToList();
...
How do I pass an extra parameter to the callback function in Javascript .filter() method?
...turn function(element) {
return element.indexOf(wordToCompare) === 0;
}
}
addressBook.filter(startsWith(wordToCompare));
Another option would be to use Function.prototype.bind [MDN] (only available in browser supporting ECMAScript 5, follow a link for a shim for older browsers) and "f...
Parsing huge logfiles in Node.js - read in line-by-line
I need to do some parsing of large (5-10 Gb)logfiles in Javascript/Node.js (I'm using Cube).
11 Answers
...
滑动分页使用指导 · App Inventor 2 中文网
...、滚动位置都还在。
尺寸：组件默认宽度充满、高度 180 像素。标签栏占去一部分（顶部标签栏高约 44、左侧分类栏宽约 96、
底部圆点区高约 24），页面填满剩下的区域，内容超出会被截断。做整屏的标签页时把高度设为「充...
Convert Existing Eclipse Project to Maven Project
...
140
If you just want to create a default POM and enable m2eclipse features: so I'm assuming you do n...
App Inventor 2 悬浮通知与导航栏教程 - NotificationStyle与Navbar扩展 · App Inventor 2 中文网
...hen Button1.Click() {
NotificationStyle1.SimpleNotification("messages", 1001, "新消息", "你收到了一条新消息", "app_icon")
}
大文本通知
NotificationStyle1.Text("messages", 1001, "长文章标题", "这是一篇很长的文章内容...", "摘要信息")
...
MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
I am going through some MVVM articles, primarily this and this .
11 Answers
11
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Java HTTPS client certificate authentication
... -name "Whatever"
Tip: make sure you get the latest OpenSSL, not version 0.9.8h because that seems to suffer from a bug which doesn't allow you to properly generate PKCS#12 files.
This PKCS#12 file will be used by the Java client to present the client certificate to the server when the server has...
Difference between a View's Padding and Margin
...rgin in a TextView:
xml layout for the image above
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
...