1. how many software packages have been installed? [Root @ localhost ~] Rpm-qa | wc-l217 2, how to get
1. how many software packages have been installed?
[root@localhost ~]# rpm -qa | wc -l217
2. how do I know which software packages are installed?
[root@localhost ~]# rpm -qa | sortacl-2.2.49-6.el6.x86_64aic94xx-firmware-30-2.el6.noarchatmel-firmware-1.3-7.el6.no
Tag:textlinpython Uninstall p12 strpackage5.0time In general, by using the Cyphton mode to optimize the Python execution Speed module, the package Installation Python Module pack will be installed inSite-packages directory of the current parser , after use these modules if you do not need to how to clean it? We use python setup.py install lai an python package , but how to uninstall it ? Only files that are installed can be deleted manuallyYou c
package is installed in the default location as written by the author of the RPM package.
RPM Package Check:Rpm-v This command can show whether someone else has changed
RPM Upgrade and uninstallation:RPM-UVH Package Name Upgrade InstructionsRPM-E Package Name Uninstall instructionsNote: RPM provides the uninstall command is because its installation files are scattered, manual removal cumbersome, with the corresponding instructions can delete the RPM package can be
For source p
When you export a normal jar package using eclipse before the project is released, if the configuration is not good, the Java-jar /test.jar following three types of error messages may appear when you run the command:1. The no main manifest attribute, in /test1jar Main method is not specified;2. The Error: Could not find or load main class Main method is not specified;3. Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/kafka/common/utils/Utils. the introduction class was not
Common Java packages and common Java packages
Java. lang: This package contains the core classes of the Java language, such as String, Math, Sytem, and Thread. You do not need to use the import Statement to import the package, the system automatically imports all classes in this package.
Java. util: This package contains a large number of java tool classes/interfaces and collection framework classes/i
1. Create a new MANIFEST.MF file in the project root directoryVersion number manifest-version:1.0//dependent jar path multiple spaces separated Class-path:lib/commons-logging-1.1.1.jar lib/ httpclient-4.2.1.jar//Program Entry Class Main-class:collectimg.main2. Project name right-click-->export-->jar file3. After export, put the dependent jar package into the same directory as Lib (if there is a profile profile and the jar package in the same directory but the export cannot check the configurat
})]x6.png "alt=" Wkiom1lyxfnyyat0aacg6tfn8w4330.png "/>Input and output redirection> The meaning of redirection· Cat 1 txt > 2.txt put the output of the front file directly into the back of the file, redirect the contents of 1.txt to 2.txt, and it will delete the contents of the file to rewrite650) this.width=650; "src=" Https://s1.51cto.com/wyfs02/M00/9A/A2/wKiom1lYzvvRIUmaAADEGCh8EnI506.png "title=" h$[4p $H]np9pdbme{4_w$74.png "alt=" Wkiom1lyzvvriumaaadegch8eni506.png "/>> > Add the meaning t
New Features of Xcode6, adaptation of iPhone 6 and iPhone 6 plus, xcode6iphone6
This year's apple press conference has ended, but it seems that people are not very interested in iPhone 6 and iPhone 6 plus, and they are very much looking forward to iWatch. This time, Apple released two types of cell phones with differe
First, take photos at the video
Some people may use the IPhone for video recording, but at the same time to see a beautiful woman through, want to take photos as a souvenir, do not need to dial back to the photo section, you can use the recording of the video function. This feature, a number of portable camcorders pioneered the use of the Android part of the flagship mobile phone has this function. In fact, the
iphone frees up storage space method:
Find out who's taking up storage space
Before we can delete the stored information at random, we need to find out which application occupies the most space. Click "Settings"-> "General"-> "storage and icloud use" and select Manage storage under Storage options.
The page displays the amount of storage that has been consumed, the available storage capacity, and the storage capacity used by each section.
Deleting
The approximate method is: After the iphone link to itunes, open itunes, click on the left "device" column of "Who's iphone," in the left side of the iphone small icon click on the right mouse button, the pop-up menu to choose "Backup" to start the iphone backup, The time of backup is proportional to the number and siz
Creativity is the ability to demonstrate design I in any way.Whether it is a sign, a flag, an advertisement, or a complete design, the creativity that can be injected not only shows the information expressed by the designer, but also leaves a solid impression on the audience.Good design is not easy to create. It is often a very challenging job to discover creative design. However, there are some ways to improve your design skills. One of them is the inspiration behind analyzing every detail of o
There are some software packages that cannot be installed. If you are using a unstable release, this may be
Because the system is not up to the state you requested. There may be some of the software you need in this release
Packages have not been created or they have been removed from the new to (incoming) directory.
The middle is some dependency pack description
Errors cannot be fixed because you requi
Yesterday tried to put a long time before the iphone 3GS brush off the machine, the result of red snow brush, there is an infinite recovery mode. And in the recovery mode is not normal to enter the DFU, not normal brush machine, prompted 20 error. With red Snow, itools and iREB can not be kicked out of the recovery model, tangled dead me! But today I die as a live horse medicine, finally found a solution to share with you:
Method is: With iREB (R6),
About 91 Assistants
91 Assistant is the most popular smartphone users of the Chinese application market, is the largest and most influential intelligent terminal management tool, but also the world's only cross-terminal, Cross-platform content distribution platform
91 helpers to customize ringtones for iphone
The first step, we first install 91 mobile phone assistants in the computer, and then the phone6 mobile phone connected to the computer and t
Question: What about the iphone falling into the water?
Answer: If the iphone is accidentally dropped in the water, you can immediately take the following methods to remedy:
STEP1: First of all pay attention to do not turn on the power at this time, such as before is open, hurriedly shut down.
STEP2: Then take off all the covers, such as the iphone phone cover
Set System Ringtones
If you use a system ringtone we can: the iphone goes to "settings"-"sound"-"phone ring tone".
Custom ringtone Making
To be a music file for ringtones: You need to record the fragment time to be used as a ringtone.
Convert music file formats with itunes
iphone ringtones can only support the M4R format, and itunes can do this, this is mainly about using itunes music files for music f
IPhone, iPad, iPadMini interface design standard, iPhone iPadMini
I. iPhone
4.0 'display: iPhone 5, iPhone 5 S, and iPhone 5C. Resolution: 1136*960
For the design standard, refer to iPhone5.
3.5 'display: iPhone4S, iPhone4, and iP
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