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Do you need to dispose of objects and set them to null?
Do you need to dispose of objects and set them to null, or will the garbage collector clean them up when they go out of scope?
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Updating packages in Emacs
I have the following setup for packages (not sure if there is a better recommended one):
4 Answers
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CSS selector for first element with class
I have a bunch of elements with a class name red , but I can't seem to select the first element with the class="red" using the following CSS rule:
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If Python is interpreted, what are .pyc files?
I've been given to understand that Python is an interpreted language...
However, when I look at my Python source code I see .pyc files, which Windows identifies as "Compiled Python Files".
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Change one value based on another value in pandas
...ta directly into pandas with pandas.read_csv then the following code might be helpful for you.
import pandas
df = pandas.read_csv("test.csv")
df.loc[df.ID == 103, 'FirstName'] = "Matt"
df.loc[df.ID == 103, 'LastName'] = "Jones"
As mentioned in the comments, you can also do the assignment to both ...
How do arrays in C# partially implement IList?
...<T> , among other interfaces. Somehow though, they do this without publicly implementing the Count property of IList<T> ! Arrays have only a Length property.
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How do you track record relations in NoSQL?
...ut the equivalent of foreign keys and indexes in NoSQL KVP or Document databases. Since there are no pivotal tables (to add keys marking a relation between two objects) I am really stumped as to how you would be able to retrieve data in a way that would be useful for normal web pages.
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Fastest sort of fixed length 6 int array
Answering to another Stack Overflow question ( this one ) I stumbled upon an interesting sub-problem. What is the fastest way to sort an array of 6 integers?
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How do I grant myself admin access to a local SQL Server instance?
I installed SQL Server 2008 R2 to my local machine. But, I can't create a new database because of rights (or lack of).
6 An...
Database, Table and Column Naming Conventions? [closed]
Whenever I design a database, I always wonder if there is a best way of naming an item in my database. Quite often I ask myself the following questions:
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