From MDB to crash

On Solaris, the powerful tool for analyzing crashdump or debugging an operating system kernel online is the MDB. Of course, MDB does not support source-level debugging, only support assembly-level debugging. In Linux (for example in CentOS), a

T-SQL rows merged into columns and columns split rows

The source of this article: http://www.cnblogs.com/wy123/p/6910468.htmlI feel the recent SQL has not written less, suddenly a little rusty, for use is not too frequent some operations, time is easy to live.One column of multiple rows merged into one

Usage and performance issues with "T-SQL performance optimization" 01.TempDB

I used to pursue new things, and found the foundation is the most important, this year's main goal is to master SQL query and SQL performance optimization.This series of "T-SQL Fundamentals" is primarily a summary of the T-SQL Foundation."T-SQL

SQL Echo Injection-notes

Splicing SQL command Query dataannotations are commonly used in SQL injection# single-line comment Note: URL encoding%23--two minus plus space line comment/* * * * Note a region notice! In cases where SQL injection encounters single quotation marks

New database and create a dedicated account for it

DROP DATABASE ' WordPress ';CREATE DATABASE ' WordPress ' DEFAULT CHARACTER SET UTF8 COLLATE utf8_general_ci;CREATE USER ' xxxuser ' @ ' localhost ' identified by ' xxx123 ';GRANT USAGE on *. * to ' xxxuser ' @ ' localhost ' identified by ' xxx123 '

Database problems 5-sys.sysprocesses using and finding deadlocks

Http://blog.sina.com.cn/s/blog_62c4727d0100jc5z.html(a) part of the theorysys.sysprocesses (Transact-SQL)http://technet.microsoft.com/zh-tw/library/ms179881.aspxContains information about the order of the processes that are executed on the SQL

15th Week Leetcode 517. Super washing machines (hard) greedy

Leetcode517It's an interesting question.Since each step can be shifted by any number of numbers, it is actually the most complex transfer number in the optimal solution.Then we consider, in the end which position to pass the maximum flow?Enumerate

[Perfect solution + impeccable]ubuntu 14.04 (LTS) + GTX 980Ti Graphics configuration

gtx

Problems that occur after installing the system:1 Unable to surf the Internet: a new Ethernet link (automatic DHCP) was later removed by deleting the link. The restart is baffling.2 resolution of only two: 1024x? and 800x600. The resolution is so

Cisco UBR10012 uses DRL to protect the CPU against high CPU problems

The Cisco UBR10012 has a high CPU problem during routine maintenance, and is checked for DHCPD Receive processes that are taking up too much.Indicates that the device has received an excessive amount of DHCP packets, in order to avoid affecting

How to roll a dice in Unity 3D

1, Introduction 2, Roll a dice 3, import Model 4, Add script 5, Method 6, identify the random face value on the dice objective This article is intended to give you an idea of how to roll a dice in Unity 3D. The first step is to introduce 1, build a

Research on statistical analysis technology of R language--principle and application of Ridge regression technology

Principle and application of Ridge regression technologyauthor Ma WenminRidge regression analysis is a biased estimation regression method dedicated to collinearity analysis, which is essentially an improved least squares estimation method, which is

MFC proactively acquires network address functions----broadcast address, gateway, subnet mask

void Csetsignalboxdlg::onbnclickedbuttongetbroadcastaddr (){//Gaze section is also a way to get the IP, you can skipChar name[255];//defines the variable used to hold the obtained host nameChar *ip;//defines an IP address variableCString strip=

An easy-to-learn machine learning algorithm--Limit Learning machine (ELM)

The concept of extreme learning machineElm is a new fast learning algorithm, for TOW layer neural network, elm can randomly initialize input weights and biases and get corresponding output weights.For a single-hidden-layer neural network, suppose

The multiplication and addition of the basic arithmetic algorithm for the super-long integer

written calculation multiplication:for M-bit and n-bit inputs. The traditional multiplication needs to m*n the main multiplication, namely the algorithm complexity is O (). When we multiply with paper and pens, we multiply each bit of the multiplier

Use microphone recording to save and replay in unity

Recording classThe Microphonemanager contains start recording, stop recording, play recording, and save the recording. Public Partial classmicrophonemanager:monobehaviour{Private StaticMicrophonemanager m_instance; Private Static string[] Micarray

Windows10 Python3 and Python2 simultaneously install Python2.exe, Python3.exe and PIP2, PIP3 settings

1. Add Python2 to System environment variablesOpen, Control Panel \ System and Security \ System, select Advanced system settings, environment variables, select Path, click Edit, New, add D:\Python\python27 and D:\Python\python27\Scripts to

JS algorithm Set (i) Narcissus number and expansion (judging from power number)

JS algorithm set (i)★Recently some friends and I said to JS in some of the algorithm is very confused, know this algorithm is what is going on, but it is not in code to write it, here I share with you the idea of the algorithm to do Narcissus number,

WPF control templates and data templates-tipsy rooms

From: http://www.th7.cn/Program/WPF/2011/12/21/51676.shtmlThe ControlTemplate is used to describe the control itself. Use TemplateBinding to bind properties of the control itself, such as{TemplateBinding Background}The DataTemplate is used to

Using loopback to build a RESTful API environment for node. js

1. Install node, NPM2. Installing StrongloopNPM install-g--unsafe-perm Install Strongloop3. Create a working directory and configure the loopback appmkdir Todos && CD TODOSSLC loopbackThe installation will appear successfully Change the directory

Tcl script calls the high-level API to implement its own proactive test example for instrumentation usage and host creation configuration

#设置Chassis的基本參数, including the IP address. Number of ports, etc.Set CHASSISADDR 10.132.238.190Set Islot 1Set Portlist {One-by-one}; #端口的排列顺序是port1, Port2If {[Catch {#载入STC API LibCd.. /source#载入HLAPI Libsource./cstc.tclSetlogoption-debug Enable#

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