algo 8028

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Qualcomm sensor from native to Hal

\ algo/common/compass/akfs_aoc.c \ Algo/common/compass/ak FS_DEVICE.C \ algo/common/compass/akfs_direction.c \ algo/common/compass/akfs_vnorm. C Local_shared_libraries: = Liblog libcutils local_module_tags: = optional ifdef target_2nd_arch local_module_path_32: = $ (Target_out_vendor)/lib local_module_path_64: = $ (T

Design Pattern 22-behavior pattern policy pattern

policy interface class that only provides interfaces. QuickSort and SelectSort implement specific algorithms according to interfaces.Sample Code:Using System; using System. collections. generic; using System. text; namespace Pattern22 {// abstract algorithm class abstract class SortAlgo {// algorithm method public abstract void Sort () ;}// quick sorting algorithm class QuickSort: sortAlgo {// specific fast Sorting Algorithm public override void Sort () {Console. writeLine ("quick Sorting Algor

Python assistant Artifact Hyperopt

First, installationPip Install hyperoptIi. descriptionThe hyperopt provides an optimized interface that accepts an evaluation function and parameter space to calculate the loss function value of a point within the parameter space. The user also specifies the distribution of the parameters within the space.Hyheropt Four Important factors: Specify the function that needs to be minimized, the space to search, the sampled data set (Trails database) (optional), the algorithm for searching (optional).

The netfilter/ptables of the Linux firewall

] ... [!] --destination-ports,--dports Port[,port|,port:port] ... [!] --ports Port[,port|,port:port] ...-m iprange//Specify the address range [!]--src-range from[-to] [!]-- Dst-range From[-to]-M mac-m string///to the application layer data in the message to do a pattern matching detection, kernel version needs to be greater than or equal to 2.6.14. --algo {BM|KMP} Specifies that the string match detection algorithm--from offset//

Android Note adb command parsing 1

local:logd//PC All 6100-port communication data will be redirected to the phone-side/simulator UNIX type socket-ADB forward--no-rebind -Same as ' adb forward If you specify--no-rebind, the same adb forward -If ADB forward--remove ADB forward--remove-all-remove all forward socket connectionsADB jdwp-list PIDs of processes hosting a JDWP transportADB install [-l] [-r] [-d] [-S] [--algo y>--iv -Push this package file to the device and install it('-l ' m

Rhel5 l7 kernel Compilation

[tables]Make install 3. Use iptables to set application-layer filter rulesExample 1: Use layer7 to display the matching policy and access data packets from the application layer, such as qq, msn, and edonkey.Iptables-a forward-m layer7 -- l7proto qq-j DROPIptables-a forward-m layer7 -- l7proto msn-filetrandfer-j DROPIptables-a forward-m layer7 -- l7proto msnessenger-j DROPExample 2: Use "connlimit" to display matching to control concurrent data connections. If more than 100 concurrent connectio

Linux iptables lay7 configuration (below)

modules matches a given string by using some pattern matching strategy. Ü it requires a Linux Kernel gt; = 2.6.14. Ü [!] -- String pattern ? Matches the given pattern. U -- algo {BM | KMP} ? Select the pattern matching strategy. (Bm = Boyer-Moore, KMP = knuth-Pratt-Morris) Ü examples: ? Iptables-A output-p udp -- dport 53-M string -- string "verycd" -- algo BM-J Drop ? Iptables-A output-p tcp -- dport 80-

Rhel5 l7 Kernel Compilation

source code path../Configure -- prefix =/-- with-ksource =/usr/src/linux-2.6.28.8MakeMake install(4) install the L7-protocol Protocol definition packageTar zxvf L7-protocol [tables]Cd L7-protocol [tables]Make install 3. use iptables to set application-layer filter rulesExample 1: Use layer7 to display the matching policy and access data packets from the application layer, such as qq, msn, and edonkey.Iptables-a forward-m layer7 -- l7proto qq-j DROPIptables-a forward-m layer7 -- l7proto msn-file

Android notes adb Command Parsing 1, androidadb

tcp: 7100 // All port 6100 communication data on the PC will be redirected to the mobile phone end/simulator port 7100 server2. eg:Adb forward tcp: 6100 local: logd // All port 6100 communication data on the PC will be redirected to the mobile phone/simulator UNIX socket --> Adb forward -- no-rebind -Same as 'adb forward If -- no-rebind is specified, the same adb forward --> If Adb forward -- remove Adb forward -- remove-all-remove all forward socket connections Adb jdwp-list PIDs of proc

Tips for using iptables to filter URL target requests

Recently found that more and more office hours in the misuse of video sites, may be due to the impact of the brain, but must be working time, should not do things unrelated to the work, but also too much impact on office bandwidth. I tested a rule on routing to block video site access requests, found to be very effective: Iptables-a forward-m string–string "ku6.com" –algo bm-j DROP Iptables-a forward-m string–string "tudou.com" –

ETCD Enable HTTPS service

", "usages": [ "signing", "key encipherment", "server auth", "client auth" ] } } }}Field Description: Ca-config.json: You can define multiple profiles, specify different expiration times, use scenarios and so on, and then use a profile when signing a certificate. There are two profiles defined, one for kubernetes and one for ETCD. However, because this document

How to design error codes and error messages for the system

Author: Zhu Jinchan Source: http://blog.csdn.net/clever101 A software system must be involved in a lot of error messages. For example, if a user performs an error, the software needs to return the error message to the user. So how do you design error codes and error messages? How the error message is returned. Here's a simple scenario to illustrate. For example, now we have a UI module (interface module) and a Algo module (algorithmic module) whose c

Use bonnie++ to Test system IO speed

. Checking for algo.h ... yes Checking Algo usability ... no Checking Algo presence ... no Checking for algo ... no Configure:creating./config.status Config.status:creating Makefile Config.status:creating bonnie.h Config.status:creating port.h Config.status:creating Bonnie++.spec Config.status:creating bon_csv2html Config.status:creating Bon_csv2txt Config.status

Use bonnie++ to Test system IO speed[revision]

algo.h ... yes Checking Algo usability ... no Checking Algo presence ... no Checking for algo ... no Configure:creating./config.status Config.status:creating Makefile Config.status:creating bonnie.h Config.status:creating port.h Config.status:creating Bonnie++.spec Config.status:creating bon_csv2html Config.status:creating Bon_csv2txt Config.status:creating Sun/

Php file hash calculation method

stopped the file upload."; break; default: echo "Unknown error occured."; } } else { echo 'Upload: ' . $_FILES['file']['name'] . ''; echo 'Type: ' . $_FILES['file']['type'] . ''; echo 'Size: ' . (round($_FILES['file']['size'] / 1024, 2)) . ' Kb'; if(array_search($_POST['algo'], hash_algos())===false){ echo 'Unknown hashing algorithm requested.'; } else { echo 'Hashing Algorithm: '. $_POST['

Iptables + L7 + squid implement firewall functions

libxt_layer7.c libxt_layer7.man/usr/src/iptables-1.4.2/extensions/ 3. Compile and install Shell> cd/usr/src/iptables-1.4.2/ Shell>./configure -- prefix =/-- with-ksource =/usr/src/linux-2.6.25.19Shell> make make install 4. Install the l7-protocols mode package Shell> tar zxvf l7-protocols-2008-10-04.tar.gz-C/etc/Shell> mv/etc/l7-protocols-2008-10-04/etc/l7-protocols Iii. layer7 rule example 1. layer7 match Shell> iptables-a forward-m layer7 -- l7proto qq-j DROPShell> iptables-a forward-m layer

The length and performance of various hash algorithms in PHP

32c97d46956b8e3e60acd2bb090c482c5ehaval160, 4 402cb8b12eb5a2561022010c2a2af8795e602fdef2haval192, 4 4839a281e4e492533b6dfea0af294149ccac771ab87204c9echaval224, 4 563d64d34aea48f5e649ed6147da5d29d31c762a937e9e21f4da1f3106haval256, 4 640359a526d77e271707c44d9b270e68a394f8486a459f0137ad5e1d02e44c5889haval128, 5 328332ad9f32e385d9acd421b63ee04cfchaval160, 5 40d33cf9052d55da9b0f506cb8849097939363e361haval192, 5 4867c3492878c8fc4819c8589231fcfe69b15b015c1ca48ac5haval224, 5 566bedeb6a8676e46413c020c88

Php file hash calculation method

stopped the file upload."; break; default: echo "Unknown error occured."; } } else { echo 'Upload: ' . $_FILES['file']['name'] . ''; echo 'Type: ' . $_FILES['file']['type'] . ''; echo 'Size: ' . (round($_FILES['file']['size'] / 1024, 2)) . ' Kb'; if(array_search($_POST['algo'], hash_algos())===false){ echo 'Unknown hashing algorithm requested.'; } else { echo 'Hashing Algorithm: '. $_POST['

Memcached hash Algorithm

From: http://stackoverflow.com/questions/10434375/what-hashing-algorithm-does-memcached-use-to-hash-keys Question: Memcached uses distributed consistent hashing to choose which server to put a key on but which hashing algo does it use to map stringKey into the final hash on which the Ketama algo is applied for server selection. And how good is that algo at spread

More secure PHP password encryption mechanism Bcrypt details, more secure bcrypt

'; var_dump(password_hash($password, PASSWORD_DEFAULT));var_dump(password_hash($password, PASSWORD_DEFAULT)); password_hashThe generated hash length is PASSWORD_BCRYPT -- 60 bits and PASSWORD_DEFAULT -- 60 bits ~ 255 bits. The value of PASSWORD_DEFAULT is related to the php version and will be equal to other values, but it does not affect usage. Each timepassword_hashThe running results are different, so you need to usepassword_verifyFunction. $password = '123456'; $hash = password_hash($passwor

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