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  1. python - How can I specify column names while reading an Excel …

    I read an Excel sheet into a Pandas DataFrame this way: import pandas as pd xl = pd.ExcelFile("Path + filename") df = xl.parse("Sheet1") The first cell's value of each column is …

  2. How to Specify Primary Key Name in EF-Code-First

    Nov 28, 2012 · When you add an explicit migration using Code First, you get a .cs file with the name of the migration which is a partial class with a base class DbMigration. For your Primary …

  3. Can I use std::pair, but rename .first and .second member names?

    Sep 15, 2015 · Is there a way to rename or provide an alternative identifier for the first and second data members? I was hoping to leverage all of the the functions that accept std::pair,

  4. Why can I use a function before it's defined in JavaScript?

    The browser reads your HTML from beginning to end and can execute it as it is read and parsed into executable chunks (variable declarations, function definitions, etc.) But at any point can …

  5. How Should I Declare Foreign Key Relationships Using Code First …

    Oct 3, 2011 · I have been searching for resources on how to declare foreign key relationships and other constraints using code first EF 4.1 without much luck. Basically I am building the data …

  6. Standard alternative to GCC's ##__VA_ARGS__ trick?

    Apr 8, 2011 · FIRST(firstarg) FIRST_HELPER(firstarg, throwaway) firstarg With two or more, it expands as follows: FIRST(firstarg, secondarg, thirdarg) FIRST_HELPER(firstarg, secondarg, …

  7. How do I define a function with optional arguments?

    The first function (the commented one) will generate an error because the optional parameter "a" was before the required parameter "b." But the second definition would definitely work.

  8. "Multiple definition", "first defined here" errors - Stack Overflow

    However, for some reason making additional source/header files within Server or Client project always causes multiple definition of (...) and first defined here errors.

  9. Declare function at end of file in Python - Stack Overflow

    This is why your first example has trouble—you're referencing the Kerma() function before its def statement has executed and body have been processed and the resulting function object …

  10. c - Define a function before main? - Stack Overflow

    How and where to prototype and define a function in C : Your function is used only in a specific .c file : Define it static in the .c file. The function will only be visible and compiled for this file. Your …