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Google Chrome Extensions - Can't load local images with CSS
...ion that uses the content script feature to modify a website. More specifically, the background-image of said website.
8 ...
Which is more preferable to use: lambda functions or nested functions ('def')?
...nction objects, but list comprehensions and generator expressions are generally more readable than those functions and can cover all use cases, without the need of lambdas.
For the cases you really need a small function object, you should use the operator module functions, like operator.add instea...
C default arguments
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Not really. The only way would be to write a varargs function and manually fill in default values for arguments which the caller doesn't pass.
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What is this weird colon-member (“ : ”) syntax in the constructor?
...tion about it in any good C++ book.
You should, in most cases, initialize all member objects in the member initialization list (however, do note the exceptions listed at the end of the FAQ entry).
The takeaway point from the FAQ entry is that,
All other things being equal, your code will run...
What is global::?
...ss System
{
}
}
If you were to use System where it would be locally scoped in the foo class, you could use:
global::System.Console.WriteLine("foobar");
to access the global namespace.
Example
using System;
class Foo
{
public void baz()
{
Console.WriteLine("Foo 1");
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Calling a method every x minutes
I want to call some method on every 5 minutes. How can I do this?
7 Answers
7
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A 'for' loop to iterate over an enum in Java
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.values()
You can call the values() method on your enum.
for (Direction dir : Direction.values()) {
// do what you want
}
This values() method is implicitly declared by the compiler. So it is not listed on Enum doc.
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JUnit 4 compare Sets
...would you succinctly assert the equality of Collection elements, specifically a Set in JUnit 4?
9 Answers
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How to remove spaces from a string using JavaScript?
...s is the regex for "whitespace", and g is the "global" flag, meaning match ALL \s (whitespaces).
A great explanation for + can be found here.
As a side note, you could replace the content between the single quotes to anything you want, so you can replace whitespace with any other string.
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new DateTime() vs default(DateTime)
...al.
default(), for any value type (DateTime is a value type) will always call the parameterless constructor.
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