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Redis消息通知系统的实现 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...插入三条消息，其<MSGID>分别是1，2，3：
redis> HMSET msg:1 title title1 content content1
redis> HMSET msg:2 title title2 content content2
redis> HMSET msg:3 title title3 content content3
再把这三条消息发送给某个用户，其<USRID>是123：
redis> SADD usr:123:msg 1
...
Recommended SQL database design for tags or tagging [closed]
...abase, should work well and scale properly.
Table: Item
Columns: ItemID, Title, Content
Table: Tag
Columns: TagID, Title
Table: ItemTag
Columns: ItemID, TagID
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What are the best practices for using Assembly Attributes?
...:
[assembly: AssemblyTitle("Your assembly title")]
[assembly: AssemblyDescription("Your assembly description")]
[assembly: AssemblyCulture("The culture - if not neutral")]
[assembly: ComVisible(true/false)]
// unique id per assembly
[assembly: Guid("xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx")]
...
Make browser window blink in task Bar
...
this won't make the taskbar button flash in changing colours, but the title will blink on and off until they move the mouse. This should work cross platform, and even if they just have it in a different tab.
newExcitingAlerts = (function () {
var oldTitle = document.title;
var msg = "N...
Where can I learn jQuery? Is it worth it?
...
It is very much worth it. jQuery really makes JavaScript fun again. It's as if all of JavaScript best practices were wrapped up into a single library.
I learned it through jQuery in Action (Manning), which I whipped through over a weekend. It's a little bit behind the curre...
How to center align the ActionBar title in Android?
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To have a centered title in ABS (if you want to have this in the default ActionBar, just remove the "support" in the method names), you could just do this:
In your Activity, in your onCreate() method:
getSupportActionBar().setDisplayOptions(A...
How to avoid passing parameters everywhere in play2?
...your main.scala.html template parameters and mark it as “implicit”:
@(title: String)(content: Html)(implicit menus: Seq[Menu])
<html>
<head><title>@title</title></head>
<body>
<div>
@for(menu<-menus) {
<a href="#">@me...
How to force a web browser NOT to cache images
...th HTML forms for events where they fill the fields (date, place, title, description, links, etc.) and save it. On that form I allow the administrator to upload an image related to the event. On the HTML page displaying the form, I am also showing a preview of the picture uploaded (HTML img tag).
...
jquery UI dialog: how to initialize without a title bar?
Is it possible to open a jQuery UI Dialog without a title bar?
23 Answers
23
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How to use Servlets and Ajax?
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Indeed, the keyword is "ajax": Asynchronous JavaScript and XML. However, last years it's more than often Asynchronous JavaScript and JSON. Basically, you let JS execute an asynchronous HTTP request and update the HTML DOM tree based on the response data.
Since it's pretty...