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Should I use `import os.path` or `import os`?
... Wow, os.py does indeed inject into sys.modules['os.path']. So this is why from os.path import something actually works. I was curious about when this was introduced and checked the source. Fun fact: This is from 1999, first included in Python 1.5.2. Original commit is here.
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How to change a command line argument in Bash?
...ded to the two (hence the 2 in the notation) positional arguments starting from offset 1 (i.e. $1). It is a shorthand for "$1" "$2" in this case, but it is much more useful when you want to replace e.g. "${17}".
share
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Python to print out status bar and percentage
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There's a Python module that you can get from PyPI called progressbar that implements such functionality. If you don't mind adding a dependency, it's a good solution. Otherwise, go with one of the other answers.
A simple example of how to use it:
import progressba...
Automatic prune with Git fetch or pull
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To accommodate users who want to either prune always or when fetching from a particular remote, add two new configuration variables "fetch.prune" and "remote.<name>.prune":
"fetch.prune" allows to enable prune for all fetch operations.
"remote.<name>.prune" allows to chang...
How to Implement DOM Data Binding in JavaScript
...Very clean approach, very simply put and simple enough for people to learn from, a lot cleaner than what I had. A common use case is using templates in code to represent objects' views. I was wondering how this might work here? In engines like Mustache I do something Mustache.render(template,object)...
How do I use arrays in C++?
C++ inherited arrays from C where they are used virtually everywhere. C++ provides abstractions that are easier to use and less error-prone ( std::vector<T> since C++98 and std::array<T, n> since C++11 ), so the need for arrays does not arise quite as often as it does in C. However, ...
PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
...y string, some redirection, some aliases, on different operating systems, from CLI vs SERVER, etc.
– user2066805
Dec 15 '15 at 22:35
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Static Classes In Java
...ed or instance fields accessed
Note that the compiler will not prevent you from declaring an instance (non-static) member. The issue will only show up if you attempt to call the instance member
Simple example per suggestions from above:
public class TestMyStaticClass {
public static void mai...
How to use base class's constructors and assignment operator in C++?
...= d;}
Normally copy constructors chain so that they are copy constructed from the base up. Here because you are calling the assignment operator the copy constructor must call the default constructor to default initialize the object from the bottom up first. Then you go down again using the assignm...
NUnit vs. MbUnit vs. MSTest vs. xUnit.net [closed]
...bout your code, which integrates better with the concept of what a test is from a TDD/BDD perspective.
xUnit.NET is also EXTREMELY extensible. Its FactAttribute and TraitAttribute attribute classes are not sealed, and provide overridable base methods that give you a lot of control over how the met...