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Can I have multiple primary keys in a single table?
...y one auto column and it must be defined as a key".
DROP TABLE IF EXISTS `test`.`animals`;
CREATE TABLE `test`.`animals` (
`grp` char(30) NOT NULL,
`id` mediumint(9) NOT NULL AUTO_INCREMENT,
`name` char(30) NOT NULL,
PRIMARY KEY (`grp`,`id`)
) ENGINE=MyISAM;
INSERT INTO animals (grp,name)...
PHP mail function doesn't complete sending of e-mail
...subject, $message, $headers); // $recipient should be $to
Another way to test this is to hard code the recipient value into the mail() function call:
mail('user@example.com', $subject, $message, $headers);
This can apply to all of the mail() parameters.
Send to multiple accounts
To help rule...
Get nodes where child node contains an attribute
...conformance issue
Below is the code
import com.ximpleware.*;
public class test1 {
public static void main(String[] s) throws Exception{
VTDGen vg = new VTDGen();
if (vg.parseFile("c:/books.xml", true)){
VTDNav vn = vg.getNav();
AutoPilot ap = new AutoPilot(vn);
...
How to set session timeout in web.config
...te, you've set the session to be abandoned in 1 minute after its idle.
To test this, create a simple aspx page, and write this code in the Page_Load event,
Response.Write(Session.SessionID);
Open a browser and go to this page. A session id will be printed. Wait for a minute to pass, then hit ref...
How to convert List to List?
...List<string> sss = new List<string>(); IEnumerable<int> test1 = sss.Select<string, int>(x => Convert.ToInt32(x)); but this does not: IEnumerable<int> test2 = sss.Select<string, int>(Convert.ToInt32); The error is ambiguous call between the string,int,int and s...
How do you overcome the HTML form nesting limitation?
...tatement, you will be able to view the support for this feature here: html5test.com/compare/feature/form-association-form.html. IE is a write-off, most other desktop browsers seem tolerable.
– fatty
Dec 22 '13 at 3:57
...
What's the difference between equal?, eql?, ===, and ==?
... true if obj and other refer to the same hash key. This is used by Hash to test members for equality. For objects of class Object, eql? is synonymous with ==. Subclasses normally continue this tradition by aliasing eql? to their overridden == method, but there are exceptions. Numeric types, for exam...
Why is document.body null in my javascript?
...g (as mentioned by e-bacho 2.0).
<head>
<title>Javascript Tests</title>
<script type="text/javascript">
window.onload = function() {
var mySpan = document.createElement("span");
mySpan.innerHTML = "This is my span!";
mySpan.style.color...
Mozilla PDF.js：PDF在线预览 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...复制缺少的 API和API功能的行为。
09.pdf
test pdf
测试用的pdf文件
debugger.js
helpful pdf debugging features
images/
images for the viewer and annotation icons
viewer界面的图标
l10n.js
lo...
How to create Drawable from resource
I have an image res/drawable/test.png (R.drawable.test).
I want to pass this image to a function which accepts Drawable , e.g. mButton.setCompoundDrawables() .
...