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How To Save Canvas As An Image With canvas.toDataURL()?
I'm currently building a HTML5 web app/Phonegap native app and I can't seem to figure out how to save my canvas as an image with canvas.toDataURL() . Can somebody help me out?
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How do I force Postgres to use a particular index?
...s a conscious decision made by the PostgreSQL team. A good overview of why and what you can do instead can be found here. The reasons are basically that it's a performance hack that tends to cause more problems later down the line as your data changes, whereas PostgreSQL's optimizer can re-evaluate ...
JavaScript/jQuery to download file via POST with JSON data
...ody.innerHTML += takes the HTML text of the body, appends the iframe HTML, and sets the innerHTML of the page to that string. This will wipe out any event bindings your page has, amongst other things. Create an element and use appendChild instead.
$.post('/create_binary_file.php', postData, functio...
MVC3 DropDownListFor - a simple example?
...In order to get this to work I had to create an inner class that had an ID and a value property, then I had to use an IEnumerable<Contrib> to satisfy the DropDownListFor parameter requirements. Now, however, how is MVC FW supposed to map the value that is selected on this drop-down back ...
Why doesn't height: 100% work to expand divs to the screen height?
I want the carousel DIV (s7) to expand to the height of the entire screen. I haven't an idea as to why it's not succeeding. To see the page you can go here .
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How to get index of object by its property in JavaScript?
...e array is probably the best way. But I would put it in it's own function, and make it a little more abstract:
function findWithAttr(array, attr, value) {
for(var i = 0; i < array.length; i += 1) {
if(array[i][attr] === value) {
return i;
}
}
return -1;
}
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How do I test if a string is empty in Objective-C?
...here is a character in it. It's just not printable following the Unicode standard.
– bmeulmeester
Jun 18 '14 at 10:40
2
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How do I toggle an ng-show in AngularJS based on a boolean?
...lying to messages that I want to show only when isReplyFormOpen is true, and everytime I click the reply button I want to toggle whether the form is shown or not. How can I do this?
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How to use ssh agent forwarding with “vagrant ssh”?
...onfig.ssh.forward_agent to TRUE in the Vagrantfile, then rebooted the VM, and tried using:
9 Answers
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Vsphere 6 集群上 安装 oracle rac 遇到的共享磁盘故障 - 数据库(内核) - ...
...er Type section, click Change Type.
Select VMware Paravirtual.
Click OK, and click OK again.
Add configuration parameters for each Oracle RAC virtual machine as described in
Disabling simultaneous write protection provided by VMFS using the multi-writer flag
然而在最佳实践一文中...