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2018-3-24 paper (Grey Wolf Optimizer) note1----------No free lunch theorem_2018 year goal and daily completion record

Like our primary and secondary school learning function, the teacher will always say to us: "Be sure to write the definition fields, do not write no points, do not write definition domain who knows is that kind of situation" So is the analogy to the algorithm, which is today's NFL theory: "Machine Learning" the first Chapter 1.4 summary, has proved: Http://www.tup.tsinghua.edu.cn/upload/books/yz/064027-01.pdf The final text of machine l

No Free Lunch theorem _ algorithm

Stanford University Wolpert and Macready proposed the NFL theorem, which is an important theoretical research achievement in the field of optimization, which has far-reaching significance. The conclusions are summarized as follows: Theorem 1 with arbitrary (random or definite) algorithms of both A and B, the average performance of all problem sets is the same (performance can be measured in a variety of ways, such as optimal solution, convergence rat

"Go" Oracle freelist and HWM principle and performance optimization

, HWM information, and so on.2.2 Free list ConceptThe free list is a one-way list used to locate blocks that can receive data, and in a dictionary-managed table space, Oracle uses free list to manage unallocated storage blocks. Oracle logs blocks with free space for insert or update. Free space comes in two ways: 1. All blocks over HWM in the segment have been assigned to segments, but have not yet been used. 2. All the blocks under HWM in the paragraph that are linked into the free list can be

WIN2012R2 Hyper-V Beginner tutorial 05-Storage vs. disk configuration

The quality management of disks in WIN2012R2 is a good feature that we have to say, storage quality of Service (QoS): Using storage QoS, you can manage the storage throughput of virtual hard disks accessed by virtual machines. With storage QoS, you can specify the maximum and minimum I/O load for each virtual disk in a virtual machine, in IOPS per second. Storage QoS ensures that the storage throughput of one virtual hard disk does not affect the performance of another virtual hard disk in the s

[ZT] The process is hidden under 2000 and XP, And the vc6.0 test passes !!!

(null! = G_hntdll)Freelibrary (g_hntdll );G_hntdll = NULL;}//---------------------------------------------------------------------------Void setphyscialmemorysectioncanbewrited (handle hsection){PACl pdacl = NULL;Psecurity_descriptor PSD = NULL;PACl pnewdacl = NULL;DWORD dwres = getsecurityinfo (hsection, se_kernel_object, dacl_security_information, null,Null, pdacl, null, PSD );If (error_success! = Dwres){If (PSD)Localfree (PSD );If (pnewdacl)Localfree (pnewdacl );}Explicit_access

Hide the process in 2000 and XP

;}//---------------------------------------------------------------------------Void setphyscialmemorysectioncanbewrited (handle hsection){PACl pdacl = NULL;Psecurity_descriptor PSD = NULL;PACl pnewdacl = NULL;DWORD dwres = getsecurityinfo (hsection, se_kernel_object, dacl_security_information, null,Null, pdacl, null, PSD );If (error_success! = Dwres){If (PSD)Localfree (PSD );If (pnewdacl)Localfree (pnewdacl );}Explicit_access EA;Rtlzeromemory (

Php: add a function forced type to php to return

T_FUNCTION_RETURN_STRING % token T_FUNCTION_RETURN_OBJECT % token handle and add token processing logic: 1 function: T_FUNCTION {\(. u. opline_num = CG (zend_lineno );\). u. EA. var = 0 ;}| T_FUNCTION_RETURN_INT T_FUNCTION {\(. u. opline_num = CG (zend_lineno );\). u. EA. var = IS_LONG;} | T_FUNCTION_RETURN_BOOL T_FUNCTION {\(. u. opline_num = CG (zend_lineno );\). u.

Find a php regular expression replacement rule

Find a php regular expression replacement rule/e/tags/index. php? Page = 23 tagname = % B9 % D8 % D3 % DA % D3 % D1 % D2 % EA % D5 % E4 % B9 % F3 % B5 % C4 % B8 % F1 % D1 % D4 line = 3 tempid = 13 Replace this with preg_replace () /Tag-% B9 % D8 % D3 % DA % D3 % D1 % D2 % EA % D5 % E4 % B9 % F3 % B5 % C4 % B8 % F1 % D1 % D4/ 23/ When page = 0, replace it /Tag-% B9 % D8 % D3 % DA % D3 % D1 % D2 %

2000 and XP, hide the process

= NULL;PACl pnewdacl = NULL;DWORD dwres = getsecurityinfo (hsection, se_kernel_object, dacl_security_information, null, Null, pdacl, null, PSD ); If (error_success! = Dwres){ If (PSD)Localfree (PSD );If (pnewdacl)Localfree (pnewdacl );} Explicit_access EA;Rtlzeromemory ( EA, sizeof (explicit_access ));EA. grfaccesspermissions = section_map_write;

Walk into Sharepoint2013 to SharePoint Online migration ②

First, let's move on to the local file server data to SharePoint OnlineInstallation prerequisites for installing the Migration API:. NET4.0 :http://www.microsoft.com/zh-cn/download/details.aspx?id=17718Sharepointonline Management Shell :http://www.microsoft.com/en-us/download/details.aspx?id=35588Migration API can also be installed on client operating systems such as WINDOWS7, not necessarily installed on the Server operating systemMigration commands to use when migrating the APIHttps://technet.

Use of Idapython in sample analysis-character decryption

(simplest, such as comments) First, for the first question, how to get the address of the calling decryption function.In Ida, this requirement actually provides a function xrefsto, which returns all references to an address, which can be tested in IDA using a two-sentence script.For x in Xrefsto (0x1000204d,flags = 0):Print Hex (X.FRM)The test results are as follows:The second question is how to get the encrypted string.In this example, the function is called as follows.At this point we ne

Learning about the Java keyword assert

-----------------------------------------------\ n");8 assert1! = 1: "wrong";9System.out.println ("B go!");Ten } one}(2) Validity of keywordsAdd a breakpoint at the above assert, debug debugging, found that there is no pause at the breakpoint, but directly skipped.Why is that? This is because the Assert keyword is configured by a Java startup Item.The switch must be turned on at startup By-eaJava-ea AssertstudyThis way we will see that the

IP Address Configuration of RHEL in VLANTrunk Mode

Today, we got our two-cage Blade Machine and installed the RHEL6U3 system. After installing the First Blade, we planned to configure it as a KICKSTART server to install other blades over the network. Read more: RHEL network-based Blade Server Installation. 1. First, check the number of NICs [root @ blog01 Today, we got our two-cage Blade Machine and installed the RHEL6U3 system. After installing the First Blade, we planned to configure it as a KICKSTART server to install other blades over the ne

Libsvm cross-validation and grid search (parameter selection)

Many laboratory studies have applied evolutionary algorithms (EA) and classifiers. The fitness function used usually has the classifier recognition rate, however, there are still many cases where cross-validation is used incorrectly. As mentioned above, only training data can be used for model Construction. Therefore, only the recognition rate of training data can be used in fitness function. EA is the met

JavaScript + Golang Processing time issues

This is a creation in Article, where the information may have evolved or changed. JavaScript + Golang Processing time issues Today, a colleague asked JS and Golang processing time problem always have errors, so think of last year to do a project also appeared this problem, send a blog record: Directly on the code: javascript fragment: var sa = $ ( ' #sa ' ). Datetimebox ( ' getValue ' ); var ea = $ ( ' #

Information Security Design Foundation Fifth Week study summary

. In addition, in the assembly code, B is the byte, w denotes the word, and L is the double word 11. A IA32 central processing unit (CPU) contains a set of 8 registers that store 32-bit values. where ESI EDI can be used to manipulate arrays, esp EBP is used to manipulate stack frames. The other four registers are common (available on both 32-bit and 16-bit machines). However, when the lower four bits are used alone, the overflow will still occur once the result is more than 8 bits. 12. Understan

The latest method for jdk6 6u38 configuration in Ubuntu 12.04

/*************************************** ******************************* Author: Samson* Date: 01/30/2014* Test platform:* Linux Ubuntu 3.2.0-58-generic-pae* GNU bash, version 4.2.39**************************************** ****************************/ Openjdk is installed by default in Ubuntu 12.04, but there are many problems with this jdk. Because you cannot even start Eclipse, you still need to install jdk by yourself. 1. Download jdk6JDK 6 is: http://download.java.net/jdk6/, choose the appr

Software Evolution-Enterprise Application Software Architecture Maturity Model Software Enterprise infrastructure

think that, just as high-level mammals have basically the same structure (for example, mice and elephants all have mouths, eyes, noses, ears, and six organs and limbs, the structure of advanced software systems must be homogeneous. If we can establish such an architecture, it is easy to compile specific applications on this basis. I thought AMM was a concept independently invented by myself. As early as 1987, J. a. zachman published "a framework for information systems architecture" in an int

Building replicatorg with Eclipse

tab, for a main class select "Base-replicatorg.app" on the Arguments tab, add the library paths to the VM Arguments. for a Linux x86 build (tested on Linux Ubuntu 11.10), add:-ea-djava.library.path=${workspace_loc:replicatorg }/build/linux/dist/lib-i686-dreplicatorg.app-resources=${workspace_loc:replicatorg}/build/shared/lib- Djava.library.path=/usr/lib/jni for a Linux x86-64 build (tested on Linux Ubuntu 11.10), add:-

Talking about PowerShell catch error _powershell

. Only exceptions can be caught. When an error occurs, the shell checks its built-in $ErrorActionPreference variable to determine what action to perform. The variable defaults to the "Continue" value, which means "Show error message and continue." Changing this variable to Stop causes it to display an error message and produce a catch exception. However, this means that any errors in your script will also perform the operation. A better approach is to use the stop behavior only for the cmdlet t

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