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Web site update iterative redesign I am afraid that many sites must be through the link, how to do a good job of Web page redesign is also a lot of designers and products to consider things. Today's article is the famous electric business platform Shopify for its enterprise service platform Shopify Plus redesign some of the experience of the summary, hope to bring some enlightenment ~ ~ ~
to a vocational school every Friday and take classes twice a year. We have to wait for two weeks at school and take the exam. This learning method is more suitable for me. It is closely related to work. I learned a lot of basic things with the J ü rgen team. We learnedAlgorithmAnd Big O, and even learned some basic welding and electricians.
Facts have proved that the so-called learning disability does not exist. I just need to practice it. I cannot understand the problems that have not been s
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There are few examples of Golang connection Kafka, but there is less support for offset trackers, but it is also a basic requirement. This requirement is met by "Github.com/bsm/sarama-cluster" combined with "Github.com/shopify/sarama".Environment:Golang 1.7Kafka 0.10centos7.2
Package Mainimport ("FMT" "OS" "Strings" "Time" "Github.com/
……Totaldownloadsize:44MIsthisok[y/N]:y3. After the installation is complete, verify that[[emailprotected]~]#java-versionjavaversion"1.6.0_37"OpenJDKRuntimeEnvironment(IcedTea61.13.9)(rhel-1.13.9.4.el5_11-x86_64)OpenJDK64-BitServerVM(build23.25-b01,mixedmode)4. The path to the default installation via Yum is/usr/lib/jvm[[emailprotected]~]#cd/usr/lib/jvm[[emailprotected]jvm]#lltotal24drwxr-xr-x3rootroot4096Jan1220:01java-1.6.0-openjdk-1.6.0.37.x86_64lrwxrwxrwx1rootroot21Jan1220:01jre->/etc/
it annoying to compute the width of the grid, especially under nested structures. It was in this demand that they invented the Grid.guide tool. This tool will help you calculate the possible permutations and combinations based on the maximum width and number of columns, and generate the corresponding PNG file so that you can drag it directly to the appropriate tool. More importantly, Grid.guide is completely free!
9. Quantity Queries
Quantity Queries is a tool to help you do a num
There are few examples of Go connection Kafka, but there is less support for offset trackers, but it is also a basic requirement. This requirement is met by "Github.com/bsm/sarama-cluster" combined with "Github.com/shopify/sarama". The number of concurrent hours that can be used to synchronize the producer, but when the concurrency is large, an asynchronous producer must be used. Environment: Golang 1.8 Kafka 0.10 CentOS 7.2
Package main import
Check the current Python version.
$ python --versionPython 3.4.2
2. modify the Python version at the system level.
We can use update-alternatives to change the Python version for the entire system. Log on as a root user. first, list all available python alternative versions:
# update-alternatives --list pythonupdate-alternatives: error: no
. Enter the following command on the terminal:
Sudo update-alternatives -- install/usr/bin/gcc/usr/bin/gcc-4.4 40
Sudo update-alternatives -- install/usr/bin/gcc/usr/bin/gcc-4.1 30
Set the default GCC version. Run the following command:
Sudo update-alternatives -- config gcc
Result:
There are 2 choices for the alternative gcc (providing/usr/bin/gcc ).Se
->/etc/alternatives/java*
Alternatives is a multiple version management software under Linux, which can be used to achieve version switching of JDK, which is described later. First come to the alternatives directory to see what's on the ground.
fordreamxin@compiler207:/etc/alternatives$ ls java*
Java java.1.gz javac
Ubuntu GNU/Linux 12.04 lts (precise pangolin) released. I wanted to manually install the Sun JDK 6 and 7 on Ubuntu.
Installing Sun JDK 6 on Ubuntu 12.04:
Download the Sun JDK 6 BinFrom here.
Make the BIN file executeable:
chmod +x jdk-6u32-linux-x64.bin
Extract the BIN file:
./jdk-6u32-linux-x64.bin
Move extracted folder to this location:
sudo mv jdk1.6.0_32 /usr/lib/jvm/
Install new Java source in system:
sudo update-alternatives --ins
Tags: des style http color java using OS StrongRecently need to do JSP project, deployed in Ubuntu, the weekend time to configure the Nginx + PHP + mysql + phpmyadmin + tomcat environment, from the Windows C # turn around, how much some do not adapt, estimated to go the whole stack direction. By the way, the introduction of the configuration method, complete under the console. 1.1 Common
Start Terminal
Ctrl+alt+t
Using the root user
Sudo–sh
View process
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
[
paper expounds the key technologies and functions of ETCD, and looks forward to some new features of ETCD 3 being developed.2. Shopify best practices for building distributed, scalable applicationshttps://mp.weixin.qq.com/s?__biz=MzA5OTAyNzQ2OA==mid=400250229idx=1sn= 9a40f975ac6a279776e3acea0ac4aee2scene=0key= B410d3164f5f798e0db4b886d5f1289eaaa8e49db6a98bfa92dfa8c8dcb0af72b7736dfea9a80a3e7fc28ec8e7d643c2ascene=0 uin=mjk1odmyntyymg%3d%3ddevicetype=im
Book Apart
A book apart ' s homepage features that it is not like other electrical sites, there is a large background map, and its homepage in addition to books or books. It uses different colors to differentiate between different series of books, and this method is very good for sites that want to show all the books in a series.
Main features: On the main page of the book, cleverly using the CSS conversion technology, redefine the size of the screen, so that the visual effect more
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
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