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Now a lot of people like to use PDF document, but how to encrypt it, protect the file security? Today, I recommend you use Adobe Acrobat software, encryption! The specific encryption method is as follows: 1, open an arbitrary PDF

Glary Utilities is a collection of series of system utilities that can repair, accelerate, enhance, and protect your PC. It allows you to clean system spam files, invalid registry keys, Internet records, etc. You can also manage and remove IE

What is the Installer folder? The Installer folder is the Windows Installer Service cache folder that prevents the MSI application from installing the package's cached data files, and the more programs installed in the MSI installation format in

 jsonp Cross-domain Get requests are a common solution, let's take a look at how JSONP is implemented across domains and explore the principles of the next Jsonp cross-domain JavaScript is a front-end dynamic scripting technique that is often used

I first installed Windows XP in the C disk and then went on the Windows7 in the D tray. With everything normal, because I originally backed up the XP system, so I use a key to restore the C disk to restore, but the problem comes out, in the system

What is the format of the CDA file The CDA format is the CD track. The standard CD format is 44.1K sampling frequency, rate 88k/seconds, 16-bit quantization digits, because the CD track can be said to be almost lossless, so its sound is basically

Photoshop is a widely used graphics processing editing software, and the pen tool in the use of the drawing is also used very widely, pull the map, that is, from the background to separate a specific object, and the premise is to pull the picture is

word2013 How do I edit a PDF document? WORD2013 has a new function, that is, you can directly edit the PDF document, how to operate it? The following small series to teach you word2013 edit PDF document steps, the need for friends can come to

  This article mainly introduces the implementation of an IFRAME window highly adaptive Another ingenious idea, the need for friends can refer to the following DomainA has a page index.html that embeds a page in DomainB through an IFRAME

This article mainly introduced the JS implementation date comparison related days the method, needs the friend may refer to underThe code is as follows: &L T;input type= "text" id= "Tb_end_time" size= "ten" width= "" value= "" 2014-12-22 "/> sec

　　 Method One: Verify that the network connection is normal. 1, find the network you are connected to, right click, select the status options. 2. After entering this window, select the Network Diagnostics option and reconnect the

Some of the devices used in the computer are not used at all, or encountered some devices are not normal use, we can view these devices, through the Device Manager can be processor, hard drive, storage controller, monitor, keyboard, mouse devices,

Insert Section Break You can use a section break to change the layout or formatting of one or more pages in a document. For example, you can set part of a Single-column page to a two-column page. You can separate the chapters in a document so that

What to do when a "network error" occurs when Win7 system is logged on to Youku video Method One: We can delete all the things in the Youku Client folder, and then reinstall the Youku client. Method Two: View 360 security Guardian's

itunes is the official Apple specifically for its iOS devices released by the management software, usually see the user in the installation of the software will not encounter problems, but in the WIN8 system, some users encountered error 2503 code

The outward appearance does not talk, we come straight to the point to see everybody most wants to know: "Mobile Edition" GTX1060 exactly and desktop level GTX1060 how big disparity? I heard that this generation of Pascal Mobile

When we want to use a picture in a Word document, we copy and paste some pictures into the document. But sometimes we just use a part of the picture, how do we do it? This requires the ability to use cropping in Word. 　　Use tools to crop pictures

Recently, a lot of friends in some media websites to see the news about QQ Courier, Tencent QQ Courier service is not very understanding, so asked the author QQ Courier is what? In fact, QQ in the latest version of QQ2012 we have been able to see

　　QSV is Archie Art Company under a genuine video acceleration format, so protected by copyright, it can only be played on the player of the Archie art. What is the way to convert the QSV format video that you want to download into a common MP4

It is very common for computers to appear without sound, but there are many reasons why computers do not sound, and if you want to eliminate them all, sometimes you don't know when to exclude them. But if you're a win7 system, there's an easy way to