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jQuery empty() vs remove()
...ifference between empty() and remove() methods in jQuery , and when we call any of these methods, the objects being created will be destroyed and memory released?
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C#操作XML小结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...odes[i]);
//为指定节点的新建属性并赋值
node.SetAttribute("id","11111");
//为指定节点添加子节点
root.AppendChild(node);
//获取指定节点的指定属性值
string id=node.Attributes["id"].Value;
//获取指定节点中的文本
string content=node.InnerText;
...
How does this checkbox recaptcha work and how can I use it?
...And I also found this: http://jaswsinc.com/recaptcha-ads/ Apparently they did an invite-only beta of their "no CAPTCHA reCAPTCHA" So.... You probably won't be able to make it work on your site, yet. I can't find any information on opting into the beta, but if you search for "No CAPTCHA reCAPTCHA bet...
How to detect online/offline event cross-browser?
..., and Firefox (since version 41) will detect when you go "offline" automatically - meaning that "online" events and properties will fire automatically when you unplug your network cable.
Mozilla Firefox (before version 41), Opera, and IE take a different approach, and consider you "online" unless yo...
Running a cron job at 2:30 AM everyday
...function_name
The first part is for setting cron job and the next part to call your function.
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Installing Apple's Network Link Conditioner Tool
...erences.
For versions older than Xcode 8, the package to be downloaded is called Hardware IO Tools for Xcode. Get it from this page
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How to disable text selection highlighting
...l of the available correct CSS variations:
.noselect {
-webkit-touch-callout: none; /* iOS Safari */
-webkit-user-select: none; /* Safari */
-khtml-user-select: none; /* Konqueror HTML */
-moz-user-select: none; /* Old versions of Firefox */
-ms-user-select: none; /* In...
Rails: where does the infamous “current_user” come from?
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It is defined by several gems, e.g. Devise
You'll need to store the user_id somewhere, usually in the session after logging in. It also assumes your app has and needs users, authentication, etc.
Typically, it's something like:
class ApplicationController < ActionController::Base
def current...
Where in an Eclipse workspace is the list of projects stored?
...der.
Under that folder is one folder per project.
There's a file in there called .location, but it's binary.
So it looks like you can't do what you want, without interacting w/ Eclipse programmatically.
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Aligning UIToolBar items
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You forgot to update the release call, should read [flexibleSpace release];
– Daniel Hepper
Dec 20 '09 at 22:02
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