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  In doing some questions about members online, we often want to judge whether the user is offline based on whether the browser is closed, and then remove the user from session and application.   Because browsers are stateless, there are two

  Below is source code: Code as follows:

Originally do not want to tell you, because the collection of other people's website is not a glorious thing, but feel that this technique is strong enough, if this short line of code, I am not exhausted. Is this, collected some other people's

If object_id (' t0807 ') is not null drop table t0807 Go CREATE TABLE t0807 (autoid int identity (1,1) primary key,[id] int,username varchar (10)) Go INSERT INTO t0807 Select 1, ' 1 ' UNION ALL Select 4, ' 1 ' UNION ALL Select 4, ' 2 ' union

1. Basic button Drawing Open the PPT slide edit page and draw a button using the rounded rectangle in shape under the Insert tab. With the shape style under the Format tab, set its shape effect to any glow effect, draw a rectangle larger than the

The specialized software certainly can let the creator become a duck to fish. But if these two do not have, can also make 3D stereo painting? 1. Screen shot Cutting Create a new blank slide in PPT2016 and insert the picture you want.

in PowerPoint 2016, how to quickly create a dynamic chart. In actual work, we will be exposed to a large number of Excel charts. Sometimes you need to import Excel charts into your PowerPoint presentation. This is very simple, in Excel, select the

a method for the animation grouping of multiple objects by PPT 1, open Msoffice2010ppt software 2, click the "animation" in the action bar, you can see the "Animation pane" four words 3, for example, the following animation effect

How to use PPT to draw the organization Chart of company Interior 1, on the computer Desktop PowerPoint2013 Presentation program icon Double-click the left mouse button, open it to run. Click the blank presentation option to create a new blank

How to set up a directory link for PPT: 1, open a PPT, find the need for hyperlinks to the presentation, for example, here we choose the second slide hyperlink; 2, with the mouse to select the need to do a hyperlink section, and then

How to add a custom animation to the PPT: 1 We first open the slides we need to add animations! Then click on the animation in the menu! 2 then click Custom Animation! 3 We select an element in the window and click Add

1. Set the background color to black, download fireworks on the Internet, first select the rising trajectory below, add animation--enter-erase. 2. In the Custom pane, set the start: before. 3. Add effects to the ascending

Today we animate the methods and techniques for packaging in PowerPoint presentations. When we copy a good presentation to another computer for playback, it does not play properly because the other computers do not have PowerPoint software

Today we animate the ways and tricks of using grid lines to locate objects in PowerPoint presentations. When we add more than one object to a PowerPoint slide, we can pinpoint the location of the object through the grid line: 1. Execute the view →

Today we animate the ways and tricks to set up hyperlinks in PowerPoint presentations. During a PowerPoint presentation, we want to quickly switch from one slide to another in a discontinuous slide, which can be done through hyperlinks. Let's take

We know that there is a word count item in the Tools menu in words that makes it easy to understand the number of words in a document, and that's what we need in PowerPoint, but do you know that PowerPoint also has the ability to count the words in

When presenting PowerPoint, I usually think about how to say the contents of the script, and forget the total number of pages in the PPT slide, especially when there are more pages, the more time you spend on the previous slides, the less time you

Common analog Sometimes, you need to simulate user actions to achieve the effect of a click. For example, when a user enters a page, it triggers the Click event without the user having to actively click. In jquery, you can use the trigger ()

This is an Easy-to-use article sharing tool, you can simply copy the following HTML code into the template to achieve the quick sharing of the article features. If you want to share your blog, personal website or corporate website, here are two good

Often on the Jingdong friends shopping friends do not know whether there is no notice: The Beijing-East revision, after the revision of the user experience is not bad ah, worthy of praise ... I am also tonight to notice the original Jingdong