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What's the difference between lists enclosed by square brackets and parentheses in Python?
Are they both valid? Is one preferred for some reason?
6 Answers
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Why git keeps showing my changes when I switch branches (modified,added, deleted files) no matter if
...I've been trying to understand why git keeps showing whatever I changed in one branch in another branch when I run git checkout to switch between branches First I tried not using git add and didn't work. However, I tried then using git add, but didn't fix the problem. I'm not using git commit yet.
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How to remove the hash from window.location (URL) with JavaScript without page refresh?
...n here. Leaving this answer here though with respect to being the original one in 2009 whereas the correct one which leverages new browser APIs was given 1.5 years later.
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PHP Array to CSV
... into a CSV file, but it doesn't seem to be going to plan. The CSV file is one long line, here is my code:
7 Answers
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Change name of folder when cloning from GitHub?
When I clone something from Github, it creates a folder with the same name as the app on my computer. Is there a way to change the name?
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Can someone explain this 'double negative' trick? [duplicate]
...I have been reading Mark Pilgrim's "Dive into HTML5" webpage and he mentioned something that I would like a better understanding of.
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Adding and removing style attribute from div with jquery
... Can I add more than 1 css property per line? Or do I have to do one for each style property like so: $("#voltaic_holder").css("position", "relative"); $("#voltaic_holder").css("top", "-75");
– ItsPronounced
Mar 22 '11 at 17:09
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Is arr.__len__() the preferred way to get the length of an array in Python?
...rs:
my_string = 'hello world'
len(my_string)
# 11
It was intentionally done this way so that lists, tuples and other container types or iterables didn't all need to explicitly implement a public .length() method, instead you can just check the len() of anything that implements the 'magic' __len__...
Java Enum Methods - return opposite direction enum
...STANT.methodName(arguments).
Now lets go back to problem from question. One of solutions could be
public enum Direction {
NORTH, SOUTH, EAST, WEST;
private Direction opposite;
static {
NORTH.opposite = SOUTH;
SOUTH.opposite = NORTH;
EAST.opposite = WEST;
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Real escape string and PDO [duplicate]
... process of migrating old code to use PDO and while the solution is a good one, people need to be aware of the fact that it will place quotes around the string. So if people are building out queries that already have quotes like "SELECT * FROM users WHERE username = '".$conn->quote($username)."'...