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Convert two lists into a dictionary
...onary)
{'a': 1, 'b': 2, 'c': 3}
Voila :-) The pairwise dict constructor and zip function are awesomely useful: https://docs.python.org/3/library/functions.html#func-dict
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Is it possible to capture a Ctrl+C signal and run a cleanup function, in a “defer” fashion?
I want to capture the Ctrl+C ( SIGINT ) signal sent from the console and print out some partial run totals.
10 Answers
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How to use 'cp' command to exclude a specific directory?
...xcept some files in a specific sub-directory.
I have noticed that cp command didn't have the --exclude option.
So, how can I achieve this?
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Method chaining - why is it a good practice, or not?
... right thing - I had a method which accepted something like 10 parameters, and needed more, but for the most time you only had to specify a few. With overrides this became very cumbersome very fast. Instead I opted for the chaining approach:
MyObject.Start()
.SpecifySomeParameter(asdasd)
.S...
How to undo “git commit --amend” done instead of “git commit”
...Note that HEAD@{1} is pointing somewhere different from the
# previous command. It's now pointing at the erroneously amended commit.)
git commit -C HEAD@{1}
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Design Patterns: Factory vs Factory method vs Abstract Factory
...uctor".
Let's say you want to be able to create two kinds of Fruit: Apple and Orange.
Factory
Factory is "fixed", in that you have just one implementation with no subclassing. In this case, you will have a class like this:
class FruitFactory {
public Apple makeApple() {
// Code for creati...
How can I determine installed SQL Server instances and their versions?
...
At a command line:
SQLCMD -L
or
OSQL -L
(Note: must be a capital L)
This will list all the sql servers installed on your network. There are configuration options you can set to prevent a SQL Server from showing in the list. ...
What is the purpose of the var keyword and when should I use it (or omit it)?
What exactly is the function of the var keyword in JavaScript, and what is the difference between
19 Answers
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Why does Java have transient fields?
...ct.
For example, you may have fields that are derived from other fields, and should only be done so programmatically, rather than having the state be persisted via serialization.
Here's a GalleryImage class which contains an image and a thumbnail derived from the image:
class GalleryImage imple...
How to create own dynamic type or dynamic object in C#?
There, is for example, ViewBag property of ControllerBase class and we can dynamically get/set values and add any number of additional fields or properties to this object, which is cool .I want to use something like that, beyond MVC application and Controller class in other types of applicatio...