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Articles by Amy Jollymore
Your Partner Had a Crappy Childhood – Is the Relationship Paying the Price? -
Here’s what I learned in childhood: Parents can choose to raise us or not. They’re not obligated. My mother dropped me off at her parents’ house “for the weekend” when I was four, and never returned. Two years later my father, not yet the alcoholic he’d become, reclaimed me. The resulting logic is obvious: If the two people tied to me by blood, birth, and obligation could ditch me, then I was someone people left.
How should I format Transact-SQL queries?
Just like any programming language, Transact-SQL code can be read and modified more efficiently when formatted in a consistent manner. While there is no official Transact-SQL format or style recommendations, Mark Long has a few of his own to offer. Transact-SQL programmers with basic query skills and familiarity with SQL Server Management Studio will better understand the possibilities of formatting Transact-SQL code in an SSMS environment and will be capable of implementing their own structure.
How can I pass parameters to a command in C#?
There are almost as many ways to implement the command pattern as there are types of data to pass to it, and not all of them are correct. Follow along in Visual Studio as Jeremy McPeak shows you how to enable an object to issue a request to another object while remaining blind to the details of both the request and target object. Jeremy then demonstrates how to pass required data to the command’s constructor.
How do I use the repository pattern in C#?
Repositories can be employed to segregate applications from the complexities of data access, making code easier to maintain. In this video, Jeremy McPeak starts by explaining the heart of the repository pattern: the CRUD principle. Jeremy then demonstrates variations on this implementation while cautioning against potential pattern violations.
How do I use the singleton pattern in C#?
The singleton pattern, due to being limited to a single thread-safe instance and its last minute instantiation, has a reputation for being cumbersome. Using Visual Studio, Jeremy McPeak demonstrates how to create a class limited to one instance, and seal the singleton for improved runtime performance. Jeremy then shows you how to expose the private instance class variable using a static property.
How Python syntax works beneath the surface
In this excerpt from his Oriole online tutorial, Aaron Maxwell uses the Panda’s library to illustrate how Python’s syntax, which lets classes define how they behave when used with built-in binary operators like less-than (<), allows you to create custom, easy-to-use interfaces. Register for Aaron Maxwell's online trainings on Safari: Python: Beyond the Basics and Python: The Next Level. You’ll learn skills to amplify your code and master Python’s most powerful traits and features.
What is the new reduce algorithm in C++17?
Reduce is one of many useful new algorithms to be introduced in C++17. In this video, Jason Turner first demonstrates the logic behind the existing accumulate algorithm. Jason then goes on to explain how the new reduce algorithm acts as an out of order version of accumulate and can be used to work around a common error. Intermediate C++ programmers will understand how the new reduce algorithm’s execution policy allows them to instruct the compiler to allow for parallelization.
How do I use the slice notation in Python?
Notice two things here. First note, although we indexed with which expands out to , only 2 elements are returned. Why? Think of stop as a stop sign. You stop before the stop sign, not at it or after it. is putting the stop sign at index 2, which is the third element. Therefore, the elements before the stop sign are returned. Second note, when no start is defined as in , it defaults to 0.
Algorithmic trading in less than 100 lines of Python code
Algorithmic trading refers to the computerized, automated trading of financial instruments (based on some algorithm or rule) with little or no human intervention during trading hours. Almost any kind of financial instrument — be it stocks, currencies, commodities, credit products or volatility — can be traded in such a fashion. Not only that, in certain market segments, algorithms are responsible for the lion’s share of the trading volume.
Your Partner Had a Crappy Childhood; Is the Relationship Paying the Price?
This article originally appeared on The Good Men Project and has been republished with permission. Here’s what I learned in childhood: Parents can choose to raise us or not. They’re not obligated. My mother dropped me off at her parents’ house “for the weekend” when I was four, and never returned. Two years later, my father, not yet the alcoholic he’d become, reclaimed me.
Ada Lovelace, an Indirect and Reciprocal Influence
When I heard that Ada Lovelace Day was coming, I questioned myself, “What do I actually know about Ada Lovelace?” The sum total of my knowledge: Ada was the first woman programmer and the Department of Defense honored her contributions to computation in 1979 by naming its common programming language Ada. A few Ada biographies later, I know Augusta Ada Lovelace to be an incredibly complex woman with a painful life story, one in which math, shame, and illness were continuously resurfacing themes.
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