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introduce Microsoft's DSL tools and C #2.0 first. Thank you for your patience.DSL tools is a domain specification language developed by Microsoft. It aims to describe business problems with a language model closer to the business and generate Running code. The tool allows users to define their respective domain languages, with the target being a software factory. DSL tools faces a problem (which is also cu
Broadband Access Network is currently the most common access method, so I have studied the design concepts and standards of broadband access networks. I would like to share with you here, hoping to be useful to you. A Broadband Access Network is a transmission medium. It establishes multiple independent network carrier signals on a coaxial cable or fiber-optic cable through different channels. In general, a broadband access network also refers to a high-speed network connection. For example, a b
ADSL is not a new technology, but it has been in the recent period of rejuvenation of youth, not only in the international market has been more widely used, but also by the attention of domestic operators, began to scale the network and put into commercial. China Telecom, China Unicom, Chinese railcom and so on have invested funds to build ADSL networks in varying degrees. At the same time, the relevant DSL technology, including VDSL, HDSL and other t
been looking !) E.g.: grep-R jerry/etc (search for all directories in/etc with files containing jerry (parameter-R indicates all files) If you only want to list file names: www.2cto.com grep-R-l jerry/etc (-l only lists file names) 01root @ why :~ # Grep-R-l jerry/etc02/etc/passwd03/etc/shadow-04grep:/etc/alternatives/ghostscript-current/Resource/CMap/Hojo-EUC-H: there is no file or directory 05 grep:/etc/alterna
First, install the JDK:RPM Installation:# RPM-IVH jdk-8u45-linux-x64.rpmIn the case of a Debian system, tar. Unzip tar.gz to/usr/local/java/and create the corresponding link file. Such as:$ ll/usr/local/java/Total usage 4lrwxrwxrwx 1 root root 6 June 22:31 Default-latestdrwxr-xr-x 8 UUCP 143 4096 April 11 01:26 jdk1.8.0_45lrwxrwxrwx 1 root root 28 June 22:30 latest-/usr/local/java/jdk1.8.0_45/Second, the configuration:Create the/etc/profile.d/java.sh and edit the configuration file:$ cat/etc/pro
GCC is the GNU exclusive C/C ++ compiler. Because GCC has compatibility issues, you must use the specified version of GCC to compile and pass the code, therefore, we should switch to the appropriate GCC compiler in a timely manner. 1. Brief description:In general, the Compilation Program uses:/usr/bin/GCC In fact, this/usr/bin/GCC is just a symbolic link, it points to/etc/alternatives/GCC, and/etc/alternatives
mockobjects-jdk1.4.x86_64:mockobjects for 1.4 jdk 2. Install JDK [Root@localhost ~]# yum install java-1.6.0-openjdk.x86_64 ... Total download size:44 M are this OK [y/n]: Y 3. After the installation is complete, verify [Root@localhost ~]# java-version java Version "1.6.0_37" OpenJDK Runtime (Environment IcedTea6) ( rhel-1.13.9.4.el5_11-x86_64) OpenJDK 64-bit Server VM (build 23.25-b01, Mixed mode) 4. The default installation path via Yum is /usr/lib/jvm [
Original article name: 7 better alternatives to common Windows appsTranslator:Fish that cannot reach the shore {ttzhang}Link: http://www.makeuseof.com/tag/enhance-or-replace-integrated-windows-applications-with-these-great-alternatives/ There is no doubt, Microsoft is going to dominate the operating system market through Windows 7. who knows where we will be after that. at that point we will likely be
[Odroid-pc] ubuntu12.04 jdk-6u45-linux-x64.bin, jdk6u45linuxx64 1. Download jdk-6u45-linux-x64.bin.tar .** 2) Put it in a directory and decompress it. 3) execute the following command Chmod + x jdk-6u45-linux-x64.bin /Jdk-6u45-linux-x64.bin Mkdir-p/usr/lib/jvmMv jdk1.6.0 _ 45/usr/lib/jvm Update-alternatives -- install "/usr/bin/java" "java" "/usr/lib/jvm/jdk1.6.0 _ 45/bin/java" 1Update-alternatives -- insta
-alternatives to change the Python version for the entire system. Log in as root and first list all available Python alternative version information:# update-alternatives--list python update-alternatives:error:no alternatives for PythonIf the error message shown above is present, the alternate version of Python is not yet recognized by the update-
can use Update-alternatives to change the Python version for the entire system. Log in as root and first list all available Python alternative version information:# update-alternatives--list pythonUpdate-alternatives:error:no Alternatives for PythonIf the error message shown above is present, the alternate version of Python is not yet recognized by the update-
the installation process:Errors were encountered while processing:Libc6-dev:i386E:sub-process/usr/bin/dpkg returned an error code (1)Here's how to fix it:$ sudo apt-get install linux-libc-dev:i386$ sudo apt-get install libc6-dev:i386At this point, even if the build environment is complete, at least on my computer, so we can start to download the Android code to compile.Final installation Ia32-libs$ sudo apt-get install Ia32-libsUbuntu 14.04 x64 Configuring the Android 4.4 KitKat compilation env
to take effect. $ . ~/.bashrc Check the current Python version. $ python--version Python 3.4.2 2. Modify the Python version at the system levelWe can use Update-alternatives to change the Python version for the entire system. Log in as root and first list all available Python alternative version information: # update-alternatives--list python Update-alternatives
++-4.4 g++-4.4-multilib gcc-4.4-multilibThird, set the GCC version switch 1, manually switchAfter setting, you need to manually switch the selection when using.[Email protected]:~# ls/usr/bin/gcc*-llrwxrwxrwx 1 root root Sep 04:42/usr/bin/gcc-/ETC/ALTERNATIVES/GCC-RWXr-xr-x 1 root root 224544 Apr 22:58/usr/bin/gcc-4.4-rwxr-xr-x 1 root root 306200 Apr 19:45/usr/bin/gcc-4.6[email protected]:~ #update-alternatives
called list parsing in Python, but whatever it is, it is actually an iteration. [elem*2foreleminli] Li is a list. When I read this line of code, I first saw elem * 2, but I don't know what elem is. Let's continue and check whether elem is displayed again. I have always seen in li. It turns out that elem is an element in li. By the way, what did I do to elem just now? If the parsing of an element is not confusing, continue with the example below. ["%s=%s"%(k,v)fork,vinparams.items()]
Understanding and collecting evidence: DLS network architecture and PPPOE data frame The corresponding teaching videos are as follows: Http://edu.51cto.com/lecturer/user_id-7648423.html9.9then, after 24 hours of review by the Administrator DSL (DigitalSubscriber Line digital user Line) uses the current telephone facilities and only invests a very small amount of transformation costs. It uses unused parts of traditional telephone communication cables
see, "describe" receives a string to describe the test and a block that contains the test code. Here, we'll explain the test code separately from "describe" (for example, "it" block). So we created the DSL class and used its parse function to process the block to be tested, resulting in an object that could execute all of our tests, but don't get too excited. The DSL class looks like this: Class
recently, the home installed a Linux, because the router does not dial function. So you need to build your own connection. Using a PPPoE here is also very easy to use. 1. ADSL Introduction Although networking with routers is common, we sometimes need to use PPPoE directly to connect to ADSL (sometimes called DSL) modem. Of course, first of all you have to pay a good money to netcom or telecommunications network operators, the line to connect well. Mod
1. Introduction to ADSL Although it is common to connect to a vro network, we sometimes need to use PPPoE to directly connect to the ADSL (or DSL) modem. Of course, you must first pay for the network operators of China Netcom or China Telecom to connect the lines. The "DSL" on the modem is on, which generally indicates that your line is smooth. You must have the username and password of your account. A sui
. 2. the semantics of each expression must be well defined so that users can create models that others understand. Tools can generate legal implementations from models, metadata captured from the model can be used to process tasks as expected, such as configuring servers. Languages that meet these standards are called domain-specific language (DSL) and should be modeled for those special domain concepts. DSL
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