Pictures to smooth transition on a variety of devices to show that they will encounter problems are: 1. Appropriate optimization and reduce the volume of the picture; 2. Be careful not to waste bandwidth (the site's success or failure is one of the
This article summarizes and explains some solutions and knowledge for mobile H5 HD and multi-screen adaptation. Before the front-end development, visual MM will give us a psd file called the visual draft. For mobile development, in order to achieve
When the size of the disk exceeds the standard, there will be alarm prompts, if you know the DF and du command is a very wise choice. DF can view the first-level folder size, usage scale, file system and its hang-in points, but there is nothing to
VIM handles case conversion of characters~ Change the case of the letter under the cursor3~ 3 letters starting at the cursor position to change their caseg~~ change the case of the current line letterU Change the selected letter in visual mode to
Explain how to use the picture element in HTML5 to process images in a responsive manner,
Responsive Design
The so-called responsive design refers to the adaptive adjustment of webpage layout in terminal devices with different screen resolutions,
Today to introduce the Android in the slide screen function of a basic implementation process and principle, and finally give you the key to explain the view of the Scrollto and Scrollby the difference between the two functions.First, we have to
The S function is short for system function. It is used to write its own Simulink module. (Simple enough, ^ _ ^. For more information, see help.) You can use MATLAB, C, C ++, Fortran, Ada, and other languages, here I will only introduce how to use
For example, check the size of the home directory:
Du-s/home
You can also:
Du-sh/home
/usr/local/apache/bin/htcacheclean-v-p/cacheroot-l500m
Statistics:
Size Limit 500.0M
Total size is 91.8M, total size now 91.8M
Total entries is 3754, total
PHP file packaging and downloading: Use the ZipArchive zip file that comes with PHP and download the packaged file. Summary:
Four headers () are required for downloading files using PHP. For more information, see my another blog post: how PHP
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