Category: ব্লগ । Blog

ব্লগ । Blog

USA and Canada Tax Treaty

Instructions for Completing Internal Revenue Service Tax Forms for Royalty Payments https://www.upenn.edu/pennpress/about/taxforms.html Instructions for Completing Internal Revenue Service Tax Forms for Royalty Payments https://www.millerthomson.com/en/publications/communiques-and-updates/tax-notes/april-2013/overview-of-limitation-on-benefits-article-in/ Sayed Ahmed Linkedin: https://ca.linkedin.com/in/sayedjustetc Blog: http://bangla.saLearningSchool.com http://SitesTree.com, Online and Offline Training: http://training.SitesTree.com

OOP concepts in PHP 5 in brief

OOP concepts in PHP 5 in brief OOP concepts in PHP 5 in brief OOP concepts in PHP 5 in short Why this short — note? if you are familiar with OOD and any OOP language such as Java/C++, this short note will give you enough information to start with PHP 5 OOP Class Class definition starts …

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PHP SQL Server Stored Procedure

/* prepare the statement resource */ $stmt=mssql_init("your_stored_procedure", $conn); /* now bind the parameters to it */ mssql_bind($stmt, "@id", $id, SQLINT4, FALSE); mssql_bind($stmt, "@name", $name, SQLVARCHAR, FALSE); mssql_bind($stmt, "@email", $email, SQLVARCHAR, FALSE); /* now execute the procedure */ $result = mssql_execute($stmt); Another Example $conn = mssql_connect($db_host,$db_user,$db_password);if ($conn===false){ echo ‘Cannot connect.’; exit; } if (mssql_select_db("YourDatabase",$conn) === false) …

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Important Basic Concepts: Statistics for Big Data

Important Basic Concepts: Statistics for Big Data Graphical : Exploratory Data Analysis (EDA) methods? First of all, EDA is about exploring the data and understanding if the data will be good for the experiment and study. Graphs and plots can easily show the data patterns. The raw data can be difficult to understand for patterns …

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Questions Answered by Exploratory Data Analysis (EDA)

Questions Answered by Exploratory Data Analysis (EDA) What are the key properties of a Dataset (Center, Spread, Skew, probability distribution, correlation, outliers) 1. What is the center of the data (mean, median, mode) 2. How much spread is there in the data? (Variance, Standard deviation, Quartiles, Interquartile Range (IQR), Example: IQR = Q3 – Q1) …

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Best Practices in Data Preparation

Best Practices in Data Preparation 1. Check data formats (Image, CSV, PC, Mac, mainframe, text, structured, unstructured) 2. Verify data types (numbers, text, floats, currencies, nominal, ordinal, interval, range) 3. Graph your Data (Scatter, Histogram, bar, line) 4. Verify the data (data accuracy, data makes sense) 5. Identify outliers ( Examples: very large or very …

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Machine Learning and Security Basics

Machine Learning and Security Basics Objective: Define/describe key concepts on what Machine Learning can do for Security and how First of all, what are security threats? Malware, Worm, Trojan, Spyware, Adware, Ransomware, Rootkit, Backdoor, Bot, Botnet, Exploit, Scanning (port scanning), Sniffing (silently observe and record), Keylogger, Spam, Login Attack, Account Take Over, Phising (masquerading), Spear …

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Hacking Basics: Short Overview: A Short Breadth

Hacking Basics: Short Overview: A Short Breadth Audience: Ethical Hackers, Wanna be security researchers, interested to know the basics of Security Objective: Identify the key hacking concepts. Just the names primarily. key Topics: Password Cracking, Keyloggers, Trojans, Viruses, Worms, Rootkits, Social Engineering, Privilege Escalation, Denial of service attack, Botnet, Alternate data streams, Steganography, Covering tracks. …

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Where to get Malware Samples and Labels?

Where to get Malware Samples and Labels? This information is intended for Security and Malware researchers. Virus Total: https://www.virustotal.com/gui/ Malware-traffic-analysis-net: http://malware-traffic-analysis.net/ Virus Share : https://virusshare.com/ VX Haven: https://vxer.org Kaggle, Microsoft Virus/Malware database: https://www.kaggle.com/c/microsoft-malware-prediction/data Reference: Clarence C, and David F.

Visualization of Multivariate Charts

Dataset Types Tables, Networks, Spatial https://www.cs.ubc.ca/~tmm/talks/minicourse14/vad16nasa.pdf Attribute Types Categorical, Ordered, Quantitative Multivariate Charts Scatter Plot, Heat Map, Bubble Chart, Parallel Coordinates, Radar Plot Scatter Plot https://en.wikipedia.org/wiki/Scatter_plot Scatter Plot : Details: Patterns https://mste.illinois.edu/courses/ci330ms/youtsey/scatterinfo.html Scatter Plot and Trend Line https://www.mathsisfun.com/data/scatter-xy-plots.html Scatterplot Details https://www150.statcan.gc.ca/n1/edu/power-pouvoir/ch9/scatter-nuages/5214827-eng.htm GRAPHICS: COMBINING TWOWAY SCATTERPLOTS | STATA LEARNING MODULES https://stats.idre.ucla.edu/stata/modules/graph8/twoway-scatter-combine/ Multiple overlaid scatterplots https://www.stata.com/support/faqs/graphics/gph/graphdocs/multiple-overlaid-scatterplots/index.html Visualization …

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