1, with "rpm" as the suffix of the binary package
Installation: Rpm-ivh *.rpm
Uninstall: Rpm-e PackageName
Parameter-I indicates installation,-V is checksum,-H is the installation progress with a hash character,-E is the deletion package, Packgename
to set the version of the Python interaction command that is started in the Terminal window in the Pycharm software
python2 and Python3 are very different, using the program written by Python2 , if the use of Python3 can not run; use Python3 The
This article introduces a variety of Linux systems, server testing software. There are many wrong places, please correct the reader.
a SPEC2000
Spec CPU2000 is a benchmark program test group developed by the standard performance evaluation agency
Please respect the original: Reprint Annotated source original here OH
C language is widely used in basic software, desktop systems, network communications, audio and video, game entertainment and many other fields. is one of the most widely used
LNMP Common Commands
State management LNMP State management:/ROOT/LNMP {start|stop|reload|restart|kill|status}
Nginx State Management:/etc/init.d/nginx {Start|stop|reload|restart}
PHP-FPM State Management:/etc/init.d/php-fpm {start|stop|quit|restart|
Linux under the installation of the source code generally consists of 3 steps: Configuration (Configure), compilation (make), installation (make install), the specific installation method of the general author will give the document, here is the
1. Terrasolid Series Software Introductionterrasolid series software is the first commercial LIDAR data processing software, based on MicroStation development, running on the micorstation system, so users need to be familiar with the
Use the Qt 5.8 online installer after installation on Ubantu Kylin.
Use QT Creator to create a default QT Widgets application.
Project Wizard run to Kit Selection can't go on. Error prompts the following figure:
No valid kits found.
Follow the
Turn from: http://blog.csdn.net/michelleqiao/article/details/5303256
1. Use Phase: Demand analysis
Tools: Use cases, flow diagrams, data dictionaries
A.use Case (use cases)
Use cases are a very important concept in UML, where the usage case is at
The development of the collection of vehicle data program ran for 3-5 hours, the following results will appear
The Discovery program runs the memory in these several red dots fluctuation, in the cpu100% appears for a period of time the program
It programmer development Essentials-all kinds of resources download list, history of the most IT resources, personal collection summary.
During the development of the project, 13 documents should be written as required, and the documentation
Software Process Model
The software process model is also known as the Software development model, which is the structural framework of the whole process, activity and task of software development. Waterfall Model:
A waterfall model is a model that
The error is as follows:
sudo apt-get install opensshserver is reading the package list ...
Completing the dependency tree that is analyzing the package is reading state information ...
Complete now no available package openssh-server,
But he
Configuration of different software in opkg
Can be queried by
/etc/openwrt_release
/etc/openwrt_version
Make a query change to your official address
Now I'm using the developer version mt7688
Src/gz Beta_base http://downloads.openwrt.org/snapshots/
A demand
Software requirements work throughout the software project process, from the project evaluation stage, to the development stage, and even to the mass production stage, will be involved.
1 software projects are characterized by a
Beta, which is commonly thought of as "testing". In a broad sense, there are three traditional names for testing: Alpha (Alpha), beta (beta), and gamma (gamma), which identify the stages and scopes of testing.
Alpha refers to the beta, which is now
In the work of software testing, it is very important to do the bug classification. It first needs to define the feature of each bug category, then collect the bug according to this feature, and finally form a list of bugs that belong to you.
Such a
Many people often have to enter a large number of numbers, such as identity cards, mobile phone numbers, and so on, then use this Ahk made software is very convenient, it can be continuously lost on one side in order to read out, do not worry
Preface to the previous chapter wrote the software plan, about the software to do planning and some feasibility study, this article continues the next stage of software requirements analysis.
Body
Mind Mapping
Main content
1. Problem
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