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转载 GDB - Debugging stripped binaries

A few days ago I had a discussion with a colleague on how to debug a stripped binary on linux with GDB.Yesterday I also read an article from an ex-colleague at EPITA on debugging with the dmesg

2015-04-16 17:10:25 1594

转载 Quantitative Risk Analysis Scenarios, Modeling, and Simulations for the PMP Certification Exam

You will need to know some quantitative risk analysis techniques for the PMP Certification Exam. It is also a good idea to familiarize yourself with the following definitions to fully understand quant

2015-03-18 13:36:02 1127

转载 Plan Procurement Outputs You Should Know for the PMP Certification Exam

Plan Procurement Outputs You Should Know for the PMP Certification ExamBy Cynthia Snyder Stackpole from PMP Certification All-in-One For Dummies, 2nd EditionYou will need to know all about

2015-03-15 17:36:26 1171

转载 Work Performance Data (WPD) and Work Performance Information (WPI)

There are many professionals who have studied the fourth edition of the PMBOK Guide for their PMP exam preparation, and unfortunately could not appear for or pass the exam before 31st July.Now the n

2015-02-21 18:52:55 777

转载 Quality Control vs Verify Scope

In today’s blog post I am going to discuss the perform quality control process and the verify scope process, and the difference between these two processes. These processes play an important role in t

2015-02-21 17:34:10 711

转载 What is The Difference Between Risk Appetite, Risk Tolerance and Risk Threshold?

In past few PMP® Facilitation sessions which I conduct online, a number of professionals have been asking me what is the difference between Risk Appetite, Risk Tolerance and Risk Threshold. Thus, I

2015-02-20 22:08:09 2476

转载 Know the Difference between Mitigation plan and Contingency Plan

Mitigation PlanPMBOK® Guide Fifth Edition defines risk mitigation “Risk mitigation is a risk response strategy whereby the project team acts to reduce the probability of occurrence or impact

2015-02-20 19:25:15 1778

转载 Underlining the differences between Resource Leveling and Resource Smoothing?

Under Project time management knowledge area there is a specific process called Develop Project schedule. Under this process, we have Resource Optimization Techniques. Today we are discussing two impo

2015-02-20 19:11:57 721

转载 How To Handle Negative Risk-Learn Negative Risk Response Strategies

What is a risk? Most of us understand risk as an uncertain event which can impact us negatively, however, the PMBOK® Guide Fifth Edition defines Project Risk asProject risk is an uncertain eve

2015-02-20 18:39:03 865

转载 Learn How To Realize Positive Risk Response Strategies (Opportunities)

The PMBOK® Guide Fifth Edition defines project risk a“Project risk is an uncertain event or condition that, if it occurs, has a positive or negative effect on one or more project objectives such

2015-02-20 18:26:56 679

转载 Introduction to Project Management- A Detailed Perspective!

Professionals who are just introduced to project management wonder what makes project special. Today I am going back to basics and talking about a project and Project Management.Let’s begin by dis

2015-02-20 17:14:20 573

转载 Develop Project Charter and It’s Significant Role in Project Management Planning

When professionals start preparing for PMP® many begin by reading PMBOK®, and they come across Develop Project Charter as the first process in PMBOK® Guide. What is a Project charter and what role doe

2015-02-20 16:53:14 636

转载 What are the Differences between Work Package and Planning Package?

In my various interactions with the project management professionals,I found that many professional find it difficult to distinguish between Work Package and Planning Package, so I thought of writing

2015-02-20 16:36:25 641

转载 Contingency and Management Reserve

Let’s begin with defining the Reserves: Reserves are the amount of fund, time, or resources that are estimated from the risk management processes.PMBOK® Guide Fifth Edition defines reserves as:

2015-02-20 15:59:33 953

转载 Project Management Life Cycle-Predictive & Iterative & Adaptive

All projects across industries follow a life cycle approach. Often I have seen there are so many questions in mind for many PMP® aspirants on different types of life cycles. Why do we really need anyt

2015-02-20 15:22:01 1240

转载 What is Lead & Lag?

In so many recent discussions I realised that even though Lead & Lag are easy concepts confusion around it exists with many of PMP® aspirants. Especially when we use these two dependencies in network

2015-02-20 15:04:31 713

转载 What Are Stakeholders – How To Identify Them?

Identify Stakeholders is the second process of Initiating process group processes and plays a crucial role from PMP® exam point of view. Identifying stakeholders is also important to make the real lif

2015-02-20 14:14:00 868

转载 What Is Float And How To Calculate Total & Free Float?

In one of the recent discussion on our Forum, I realized PMP® aspirants have lots of questions on float of activities.There is a lot of confusion about different types of floats which can exist in a

2015-02-20 13:43:26 1645

转载 What is Fast Tracking and Crashing?

Fast tracking and crashing are techniques without which a project manager can’t survive. I know many of Project managers out there reading this blog will agree with me. Even though these are schedule

2015-02-20 12:28:01 2160

转载 Cause and Effect Diagram- Fishbone Diagram Analysis

Cause and Effect diagram also known as Ishikawa Diagram (on the name of the founder) or Fish Bone Diagram as the diagram resembles a skeleton of a fish.PMBOK® Guide fifth Edition defines Cause and

2015-02-20 12:08:08 1935

转载 Control Chart as a Component of Seven Basic Quality Tool

Control chart is a mechanism to understand process behaviour, predictability and stability over time. We do understand that any process has a certain amount of natural variability, but how can we tell

2015-02-19 22:31:01 615

转载 Histogram as a Component of Seven Basic Quality Tool

Histogram is a bar chart to show frequencies of causes of problems to understand preventive or corrective action.PMBOK(r) Guide fifth Edition defines Histogram as:“A special form of bar chart

2015-02-19 22:27:53 746

转载 Pareto Chart – An Effective Graphical Tool to Resolve Problems

Pareto Chart is a useful technique to understand what the most effecting area of the problems is and where we need to put our efforts.A success of a project from the problem resolution perspective w

2015-02-19 22:26:13 757

转载 Check Sheet as a Component of Seven Basic Quality Tool

A Check Sheet is a tool to collect both qualitative and quantitative facts about quality problems. When it is used to collect quantitative data, then known as tally sheetPMBOK® Guide fifth Editi

2015-02-18 17:49:17 810

转载 Requirement Traceability Matrix (RTM) – What Is RTM And Why Do We Need It?

Let’s begin with understanding what Requirement Traceability Matrix is:Throughout the project Lifecycle list of project and product deliverables are created and these are developed based on agreed

2015-02-18 17:31:24 2012

转载 Differences Between Perform Quality Assurance and Control Quality Processes

A number of PMP® test takers have been posting queries to our discussion forum regarding the difference between Perform Quality Assurance and Control Quality Processes of Project Quality Management Kn

2015-02-18 16:55:31 815

转载 Types of Procurement Contracts used in Project Management

Today we are going to talk about all types of procurement contracts used in project management.Procurement management helps you identify a suitable supplier or a contractor to get or lease goods o

2015-02-18 16:41:32 987

转载 Four Logical Relationships of Project Management: What They Are and How To Use Them

PMBOK® DefinitionLogical Relationship: A dependency between two project schedule activities, or between a project schedule activity and a schedule milestone. The four possible types of logical rel

2015-02-18 00:13:55 813

转载 What is Configuration Management?

Before we set out to define Configuration management it is important to understand why we need it in the first place. How does it come into the play?Now, let’s consider a situation wherein you are

2015-02-17 23:21:24 659

转载 Integrated Change Control – Sequence of Change Request

Most of the times, I receive lots of queries on Sequence of Change Request by several PMP® aspirants preparing for the certification exam.This blog is a step towards addressing queries related to Inte

2015-02-17 22:45:38 794

转载 Change request, Corrective Actions, and Preventive actions, Defect Repair

Change Request is a very sensitive term in the Project Management. In spite of you working hard to complete your project as per scope, schedule and cost as a project manager, inevitable thing always o

2015-02-17 21:34:20 705

转载 Sponsor and his role

Today we are discussing yet another confused matter “Who is Sponsor”. Multiple times PMP® aspirants have lot of confusions around this personality and also around roles of this personality. It’s reall

2015-02-17 20:36:06 511

原创 offsetof

#include #include struct foobar{ unsigned int foo; char bar; char boo;};int main(int argc, char** argv){ struct foobar tmp; printf("address of &tmp is= %p\n\n", &tmp); printf("address of

2014-12-25 13:18:53 472

转载 What is the purpose of using do {...} while (0) in macros?

Thedo/while(0) pattern seen in many if not most macros in the Linux kernel and elsewhere has a specific purpose: It is the only construct in C that lets you define macros thatalways work the same

2014-12-25 12:47:07 800

转载 Threads vs. Async

http://stackoverflow.com/questions/4024056/threads-vs-async

2014-11-24 13:58:23 530

转载 use awk to print after/before n lines after match

sed -n '1,/Copying/p' bldlinux.log | tail -3x=`awk '/Copying/{print NR-2","NR}' bldlinux.log ` sed -n "$x p" bldlinux.log awk '{a[++i]=$0;}/Copying/{for(j=NR-2;j

2014-08-11 17:56:36 1214

原创 ssh without no password

If you want to login remote host B from local host A in background without password:1)

2014-08-11 17:46:35 1433

转载 good post about trees

42down votefavorite30I know that performance never is black and white, often one implementation is faster in case X and slower in case Y, etc. but in general - are B-trees faster then AVL or R

2014-07-04 13:20:55 875

原创 No Memory Alignment with GCC

attribute method:#include struct packed{ char a; int b;} __attribute__((packed));struct not_packed{ char a; int b;};int main(void){ printf("Packed: %zu\n", sizeof(

2014-06-24 18:13:43 1022

转载 Variadic Macros

Variadic Macrosmacro can be declared to accept a variable number of arguments much asa function can. The syntax for defining the macro is similar to that ofa function. Here is an example: #defin

2014-06-24 17:53:45 1070

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