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Find the number of columns in a table
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Using JDBC in Java:
String quer="SELECT * FROM sample2 where 1=2";
Statement st=con.createStatement();
ResultSet rs=st.executeQuery(quer);
ResultSetMetaData rsmd = rs.getMetaData();
int NumOfCol=0;
NumOfCol=rsmd.getColum...
Is it possible to use global variables in Rust?
...:
static SOME_INT: i32 = 5;
static SOME_STR: &'static str = "A static string";
static SOME_STRUCT: MyStruct = MyStruct {
number: 10,
string: "Some string",
};
static mut db: Option<sqlite::Connection> = None;
fn main() {
println!("{}", SOME_INT);
println!("{}", SOME_STR);...
Eclipse RCP Plug-in开发自学教程（Eclipse3.6） - 文档下载 - 清泛网 - ...
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17.1.1 Externalize Strings ............................................................................................................169
17.1.2 中文属性文件 .................................................................................
What is the difference between assert, expect and should in Chai?
... beverages = { tea: [ 'chai', 'matcha', 'oolong' ] };
assert.typeOf(foo, 'string'); // without optional message
assert.typeOf(foo, 'string', 'foo is a string'); // with optional message
assert.equal(foo, 'bar', 'foo equal `bar`');
assert.lengthOf(foo, 3, 'foo`s value has a length of 3');
assert.len...
Create UIActionSheet 'otherButtons' by passing in array, not varlist
I have an array of strings that I want to use for button titles on a UIActionSheet. Unfortunately, the otherButtonTitles: argument in the method invocation takes a variable length list of strings, not an array.
...
Get selected option from select element
...y there. So you need to fetch the text you want, then put it in the .text(string) method on the object you want to set, like I have above.
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nodeValue vs innerHTML and textContent. How to choose?
...word story right here.</p>
So, that second example parses the string I assign to the DOM element's innerHTML property as HTML.
This is awesome, and a big security vulnerability : )
(look up XSS if you want to know about security for this)
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How do you parse and process HTML/XML in PHP?
...'d suggest using a lib that actually uses DOM/libxml underneath instead of string parsing.
FluentDom - Repo
FluentDOM provides a jQuery-like fluent XML interface for the DOMDocument in PHP. Selectors are written in XPath or CSS (using a CSS to XPath converter). Current versions extend the DOM i...
Why do we need the “event” keyword while defining events?
...a class. It is indeed a reference type
public delegate void MyDelegate(string inputs);
//The following line is illegal. It can only be an instance. so it cannot be directly under namespace
//public event MyDelegate MyEvent;
public class MyClassA
{
public event MyDelega...
What is the difference between jQuery: text() and html() ?
...lf-explanatory. And it's super trivial to test.
jQuery.html() treats the string as HTML, jQuery.text() treats the content as text
<html>
<head>
<title>Test Page</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min....