Linux tips-use dd to generate a file of the specified sizeDuring testing or debugging, we sometimes need to generate a file of a certain size. For example, when testing the storage system, we need to reduce the remaining disk space by 5 GB, the simplest way is to copy a 5g file
When we are testing or commissioning, sometimes you need to generate a file of size, for example, when testing the storage system, you need to reduce the amount of disk space 5G, the easiest way is to copy a 5G file over, but where to get the size of files, perhaps you think
good, how to do? directly from the font file, five floor to introduce a font editing software. Help you reduce the font file size and then embed it in Flash.
Q: Why can't dynamic text be transparent, rotate, and mask?A: By default, static text in the generation of Flash will be the text of the corresponding vector in
/VG_WTF/LV_WTF/WTF[Email protected] ~]# df-hAs follows:650) this.width=650; "src=" Https://s4.51cto.com/wyfs02/M02/93/4E/wKiom1kJ7RjzW6F8AAAkGuYB-2Y818.png "title=" 11. PNG "alt=" Wkiom1kj7rjzw6f8aaakguyb-2y818.png "/>However, when using VGS to view the remaining capacity, the display is still 0, as follows:650) this.width=650; "src=" Https://s2.51cto.com/wyfs02/M02/93/4D/wKioL1kJ7cCzk3KDAAANAxMWBE8289.png "title=" 11. PNG "alt=" Wkiol1kj7cczk3kdaaanaxmwbe8289.png "/>(4) Set free spaceUse the Lv
How do you shrink the file size of a GIF image with a GIF Movie gear?
1, GIF Movie gear edit each frame gif screen
GIF Movie Gear The main function of this software is to open the animated GIF picture and modify it, as shown in the following figure, when we open an animated GIF image with a GIF Movie gear, each frame is displayed as a picture, Then we can edit and modify each frame individually.
figure we directly translate come to call Webpack packing analysis diagram.Commonschunkplugin: extracting common Module filesThe so-called universal module, such as React,react-dom,redux,axios almost every page will be applied to the JS module.These JS modules are extracted into a file, not only can reduce the size of the main
1. Ls-lsh2. Du-sh
Du = = Disk usage (disk usage, disk space occupied)The amount of disk space a file occupies and the size of a file is a different situation. The footprint depends on the size of the file system block (block), Linux is generally the default is 4k (4096)
1. Write the configuration file as follows (take the Amadeus system as an example):Write the configuration file, put under the/etc/logrotate.d/xxxx, where xxxx is the name you take, without a suffix. For example, this file in the Amadeus system is/etc/logrotate.d/amadeus/usr/local/tomcat_amadeus/logs/catalina.out { copytruncate daily dateext Comp
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3Staggered hierarchical relationship, just start feeling very messy did not want to understand, then finally caught the key. As long as the calculation of the depth of each level, it is good to do.I define a rank, and when I go into a subfolder, let rank+1, walk through the subfolder rank-1.The graph fully illustrates the recursion, the sequence of traversal, and the change in rank values: (Ugly point ...) )Put the code below:
Copy Code code
tolerance requirement, the recovery mode is changed directly to simple Recovery, so the benefit is that the database checkpoint automatically truncate after transaction log,ssisdb.ldf will be controlled in a stable size. But the stable value is still unacceptable around 40G and needs to be further optimized 3. View [internal] in Ssisdb. The code for [Cleanup_server_retention_window], which joins checkpoint in the core code of the delete log, prompts
Today, when comparing multiple similar theme projects, we found that part of the compiled apk is bloated.
In reference to the "Android build Size Optimization APK build Size Optimization" http://www.opensoce.com/3892.html
Find the options in android project properties to reduce the size of the APK package.
1. Java B
Question:
Most of the PDF files are generated after scanning books, and the size is very large. But I want to convert them into text files so that they can be stored on the mobile phone. The problem is how to convert them.
Problem Solving
1. There is no panacea, that is, there is no dedicated Conversion Tool for direct conversion. If so, it is a lie.
2.pdf provides secure encryption. One is low-grade general encryption and the other is high-grade
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