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How do I print out the contents of an object in Rails for easy debugging?
...rails -s
results (in browser)
- !ruby/object:Post
raw_attributes:
id: 2
title: My Second Post
body: Welcome! This is another example post
published_at: '2015-10-19 23:00:43.469520'
created_at: '2015-10-20 00:00:43.470739'
updated_at: '2015-10-20 00:00:43.470739'
attri...
How to pass event as argument to an inline event handler in JavaScript?
...
to pass the event object:
<p id="p" onclick="doSomething(event)">
to get the clicked child element (should be used with event parameter:
function doSomething(e) {
e = e || window.event;
var target = e.target || e.srcElement;
console.log...
Is is possible to check if an object is already attached to a data context in Entity Framework?
...
Here's what I ended up with, which works very nicely:
public static void AttachToOrGet<T>(this ObjectContext context, string entitySetName, ref T entity)
where T : IEntityWithKey
{
ObjectStateEntry entry;
// Track whether we need to perform an attach
bool attach = false;
...
Restricting input to textbox: allowing only numbers and decimal point
...->
</SCRIPT>
</HEAD>
<BODY>
<INPUT id="txtChar" onkeypress="return isNumberKey(event)"
type="text" name="txtChar">
</BODY>
</HTML>
This really works!
...
User recognition without cookies or local storage
...
Introduction
If I understand you correctly, you need to identify a user for whom you don't have a Unique Identifier, so you want to figure out who they are by matching Random Data. You can't store the user's identity reliably because:
Cookies Can be deleted
IP address Can change...
Is there a way to iterate over a slice in reverse in Go?
... edited Nov 2 '12 at 23:06
Sridhar Ratnakumar
65.2k5757 gold badges135135 silver badges167167 bronze badges
answered Nov 2 '12 at 8:07
...
App Inventor iOS App编译全流程：7步搞定苹果签名上架（更新版） - App应...
...问题可参考这篇帖子。
第3步：创建应用标识符（App ID）
在开发者门户点击"标识符"→ 点"+"→ 选"App ID"→ 选"App"。
关键参数：
- 描述：用应用名称即可
- 应用ID前缀：选带"(Team ID)"...
Git: Recover deleted (remote) branch
...
This did it; once I had the commit messages, git branch <uid> got them back. Thanks!
– Craig Walker
Jan 3 '10 at 5:23
...
Java ArrayList replace at specific index
...thod is a static method which is not, is it ?
– Android Killer
Mar 17 '13 at 17:20
9
@AndroidKill...
兼容主流浏览器的JS复制内容到剪贴板 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...opy_gettext = function(){
clipboardswfdata = document.getElementById('test_text').value;
//alert(clipboardswfdata);
window.document.clipboardswf.SetVariable('str', clipboardswfdata);
}
var floatwin = function(){
alert('复制成功！');
//docum...