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Showing posts with the label Relative Vs Absolute Path

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Top Questions People Ask About Pandas, NumPy, Matplotlib & Scikit-learn — Answered!

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 Whether you're a beginner or brushing up on your skills, these are the real-world questions Python learners ask most about key libraries in data science. Let’s dive in! 🐍 🐼 Pandas: Data Manipulation Made Easy 1. How do I handle missing data in a DataFrame? df.fillna( 0 ) # Replace NaNs with 0 df.dropna() # Remove rows with NaNs df.isna(). sum () # Count missing values per column 2. How can I merge or join two DataFrames? pd.merge(df1, df2, on= 'id' , how= 'inner' ) # inner, left, right, outer 3. What is the difference between loc[] and iloc[] ? loc[] uses labels (e.g., column names) iloc[] uses integer positions df.loc[ 0 , 'name' ] # label-based df.iloc[ 0 , 1 ] # index-based 4. How do I group data and perform aggregation? df.groupby( 'category' )[ 'sales' ]. sum () 5. How can I convert a column to datetime format? df[ 'date' ] = pd.to_datetime(df[ 'date' ]) ...
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Relative Vs. Absolute Path in Linux: Top Differences

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 Here's the difference between the relative and absolute paths in Linux. Many a time, the programmer needs to trade in these paths. Here're simple ideas on how you can differentiate. Absolute Vs. Relative path These are the differences between Absolute and Relative path in Linux. Absolute Path $ cd /usr/lib $ cd /usr/lib pwd See this path (linux#1/usr/lib), when you give PWD, it gives a full path from the root level. This is called absolute or full path. Think of the absolute pathname as being the complete mailing address for a package that the postal service will deliver to your next-door neighbor. Relative Path $ cd usr $ /user cd lib $ /usr/lib pwd $ linux#1/usr/lib ==> Going step by step and achieving. $ linux#1/usr/lib cd ../../ ==> This is the method of going back step by step. $ linux#1 ==> This is root level directory You are currently in the lib directory. So relative path nothing but complete information of all the mother directories. Here, for lib, th...
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