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This article mainly introduces LUA to determine whether the table is empty (empty table is {}), how to determine whether the table in Lua is empty table, this article tested a number of methods, and finally come up with a better way to judge, the

  This article mainly introduces the random x data from the array of the JS code, the need for friends can refer to the Some operations on the array are frequently encountered in the work 1. Random x data from the data (PS: The following s.each

Many friends have started using Word 2007 instead of the lower versions of Word 2003, but Word2007 uses *. The docx format is saved as a document format, which is generally recommended as *, taking into account the convenience of communication. Doc

1. Delete blank rows or columns You can delete all blank rows from a selection, the current worksheet, the selected worksheet, or all worksheets. If you have more than one table in your workbook that may have empty rows, it is time-consuming to

A cautious or disaster experience will make every system management aware of the importance of frequent system backups. You can do the backup task by writing a legacy shell script that works, or by using a backup tool (or several) that is

The newly bought hard disk is equivalent to a "white paper", and in order to be able to use it better, we have to divide a few small pieces on the "white paper" and then hit the grid. In this way, when users write or paint on "white paper", they are

Win7 Login not on QQ two solutions for displaying login timeout 1, check the firewall settings. The method is to enter the Control Panel, click System and Security, click Windows Firewall; 2, double click on the left side of the open

XP system cannot print prompts "one document to print" What to do? In day-to-day office, we often encounter the need to use the printer to print documents. However, some XP system user feedback in the printing operation, send a print task, but can

Broadband connection Error 678 the simplest and most practical solution, if the following steps still do not solve the problem, please contact the local broadband provider in a timely manner. How to solve the error 678? Error code 678 How to solve?

I. Account configuration 1, the main interface click "Tools"-"account Management", the left to select the account, the right select "Server" to check whether the incoming mail server (SMTP) is filled in correctly. 2, under normal circumstances,

Now more and more large-screen computer equipment, 1920x1080 pixels and higher resolution of the screen makes the picture more delicate and beautiful, but the higher resolution of the large size screen will sometimes have some trouble, although the

The Unified Communications Service based on cloud computing has changed the way companies communicate. The unified communications as a service solution (UCaaS) enables traditional communication and collaboration tools to be mobile and convenient,

Everyone in the use of 360 speed browser 2015 download files, will encounter do not know download files saved in 360 speed Browser folder where, as long as in 360 speed browser 2015 download options set the default download location can be modified

The first step: Find and enter the 360 speed browser "Options" first open 360 speed browser, and then click on the upper right corner of the "menu icon", in the pop-up menu, click to open "Options", as shown in the following figure. The

AO 3 is a concise, high-speed browser, and has a lot of practical functions, we want to use today is the video download function. First of all, need to download, installation, 3 Proud tour. Its installation process is very concise, worry, the author

Every man has a car and a goddess in his heart. Wedding photography is a very interesting buyer's market, and it can even be said to dominate the market. Pay attention to this word "dominating", not exclusive, is the bride said the count of

Remember the new version of QQ that particularly likable little red dot? A drag-and-drop, splash spread, unread message on the clear, so a very good reputation for obsessive-compulsive disorder, the author really spent a lot of Kung Fu, today to

Do the marketing of the designer! The designer who makes money is always a marketing whiz, and if you can't sell it, it has no value. It can be said that to do the customer demo is the core survival skills of the designer, so today's translation is

Asymmetric design techniques can be very intuitive and interesting and create different focus. Here are some inspiring examples and tips on how to use asymmetric design. Asymmetry is only lack of symmetry, but asymmetry does not lack

The dynamic effect is now flattened around the red people, where there is its figure, whether the dynamic effect for the flattening of the credit? What tool does the designer have to draw the dynamic effect? Yesterday found a good article, about the