hadoop material

To you photoshop software users to detailed analysis to share the use of material to make lifelike ink-like effect of the tutorial. Tutorial Sharing: 1, a new 800 * 800 pixels, resolution of 72 of the canvas, the background selected white. First, save the text material, in Figure 2 right click "Save Picture as", and keep to this machine. 2, a new group, with PS to

Label: Meshrenderer meshrenderer=gameobject.getcomponentif (meshrenderer!=null) {Material material=meshrenderer.material;if (material!=null) {Do something with material}} Reference: 1,http://forum.unity3d.com/threads/is-it-necessary-to-destroy-the-instance-material-manaully-

Make sure that the three machines have the same user name and install the same directory *************SSH Non-key login simple introduction (before building a local pseudo-distributed, it is generated, now the three machines of the public key private key is the same, so the following is not configured)Stand-alone operation:Generate Key: Command ssh-keygen-t RSA then four carriage returnCopy the key to native: command Ssh-copy-id hadoop-senior.zuoyan.c

1, the main learning of Hadoop in the four framework: HDFs, MapReduce, Hive, HBase. These four frameworks are the most core of Hadoop, the most difficult to learn, but also the most widely used.2, familiar with the basic knowledge of Hadoop and the required knowledge such as Java Foundation,Linux Environment, Linux common commands 3. Some basic knowledge of Hadoo

Using HDFS to store small files is not economical, because each file is stored in a block, and the metadata of each block is stored in the namenode memory. Therefore, a large number of small files, it will eat a lot of namenode memory. (Note: A small file occupies one block, but the size of this block is not a set value. For example, each block is set to 128 MB, but a 1 MB file exists in a block, the actual size of datanode hard disk is 1 m, not 128 M. Therefore, the non-economic nature here ref

grouping (partition) The Hadoop streaming framework defaults to '/t ' as the key and the remainder as value, using '/t ' as the delimiter,If there is no '/t ' separator, the entire row is key; the key/tvalue pair is also used as the input for reduce in the map.-D stream.map.output.field.separator Specifies the split key separator, which defaults to/t-D stream.num.map.output.key.fields Select key Range-D map.output.key.field.separator Specifies the se

Tags: hadoop mysql map-reduce import export mysqlto facilitate the MapReduce direct access to the relational database (mysql,oracle), Hadoop offers two classes of Dbinputformat and Dboutputformat. Through the Dbinputformat class, the database table data is read into HDFs, and the result set generated by MapReduce is imported into the database table according to the Dboutputformat class. when running MapRe

From demo to engine (5) -- Design a Material SystemPart2 For personal use only, do not reprint, do not use for any commercial purposes Author: Clayman PreviousArticleThe basic material system interface is introduced. This article will continue to discuss some details. Redundancy Filtering Reducing state changes is one of the most important ways to improve the performance of any real-time rend

[Material Design visual Design language] UI Component Design (6): separation line, visual Design ui Author: Guo XiaoxingWeibo: Guo Xiaoxing's Sina WeiboEmail: allenwells@163.comBlog: http://blog.csdn.net/allenwellsGithub: https://github.com/AllenWells[Material Design visual Design language] Chapter list [Material Design visual Design language][

Pre-Preparation 1. Create a Hadoop-related directory (easy to manage) 2, give Hadoop users and all group permissions to the/opt/* directorysudo chrown-r hadoop:hadoop/opt/*3, JDK installation and configuration configuration Hdfs/yarn/mamreduce1, decompression HadoopTAR-ZXF hadoop-2.5.0.tar.gz-c/opt/modules/(delete Doc's help document, save space) rm-rf/opt/module

-p '-F/HOME/U/.SSH/ID_DSASsh-keygen indicates that the key is generated-T means the specified generated key typeDSA is the meaning of DSA key authentication, that is, the key type-P provides a passphrase-f Specifies the generated key file(4) # cat/home/u/.ssh/id_dsa.pub >>/home/u/.ssh/authorized_keys# Add the public key to the public key file for authentication, Authorized_keys is the public key file for authentication(5) # Ssh-version# Verify that SSH installation is complete and the correct in

additional openssh-clients(3) # Mkdir-p ~/.ssh # Assume that after you install SSH, these folders are not actively generated by yourself, please create your own(4) # ssh-keygen-t Dsa-p "-F ~/.SSH/ID_DSASsh-keygen indicates that the key is generated-T means the specified generated key typeDSA is the meaning of DSA key authentication, that is, the key type-P provides a passphrase-f Specifies the generated key file(5) # cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys# Add the public key to the pub

In the internet sometimes see pictures and illustrations to save, in addition to the browser to add a collection, with WPS can be very easy to save the Web page content in the WPS online material. Follow the small series to see the use of WPS to save the content of the Web page operation Method Bar. First, save the content of the Web page as online material Before surfing the Internet, remember to run the

Want your QQ space more beautiful? A lot of pictures will have the effect of this superposition, but such a small effect is how to do it?, the following small series to teach you PS production of the method of stacking space materials, a look at it! Effect Chart: Material 1 Material 2 Character Material:

We know that the quality of the courseware depends to some extent on the material it uses, so from other existing courseware to obtain the necessary material, is one of the effective ways to improve the courseware. For non-flash courseware, we can obtain the sound from the recording software (such as Totalrecorde), capture software (such as SnagIt) to obtain the pictures and text, video software (such as sc