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How do I use floating-point division in bash?
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...and adds many digits. At least on my machine this yiels 33.33333333333333333333 while the former gives 33.33.
– Andreas Spindler
Dec 31 '14 at 11:59
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How do I detect if I am in release or debug mode?
How can I detect in my code that I am in Release mode or Debug mode?
7 Answers
7
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Understand the “Decorator Pattern” with a real world example
...explanation above.
public abstract class BasePizza
{
protected double myPrice;
public virtual double GetPrice()
{
return this.myPrice;
}
}
public abstract class ToppingsDecorator : BasePizza
{
protected BasePizza pizza;
public ToppingsDecorator(BasePizza pizzaToDec...
Throwing the fattest people off of an overloaded airplane.
... in C++). Here's how you'd do it, assuming you had a MinHeap class. (Yes, my example is in C#. I think you get the idea.)
int targetTotal = 3000;
int totalWeight = 0;
// this creates an empty heap!
var myHeap = new MinHeap<Passenger>(/* need comparer here to order by weight */);
foreach (var...
MySQL load NULL values from CSV data
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MySQL manual says:
When reading data with LOAD DATA
INFILE, empty or missing columns are
updated with ''. If you want a NULL
value in a column, you should use \N
in the data file. The literal word
“NULL” ma...
Installing vim with ruby support (+ruby)
I'm trying to get command-t installed for vim but my current version of vim doesn't have the (+ruby) flag. The command "which ruby" shows that ruby is installed.
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How to prevent blank xmlns attributes in output from .NET's XmlDocument?
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Thanks to Jeremy Lew's answer and a bit more playing around, I figured out how to remove blank xmlns attributes: pass in the root node's namespace when creating any child node you want not to have a prefix on. Using a namespace without a ...
In Bash, how to add “Are you sure [Y/n]” to any command or alias?
...s how you'd create and use a confirm command based on the first version in my answer (it would work similarly with the other two):
confirm() {
# call with a prompt string or use a default
read -r -p "${1:-Are you sure? [y/N]} " response
case "$response" in
[yY][eE][sS]|[yY])
...
UITableViewCell subview disappears when cell is selected
...d not work for me (running on iOS 8.1). Instead solved this by subclassing my view and overriding setBackgroundColor as [super setBackgroundColor:[UIColor whiteColor]].
– bizz84
Nov 20 '14 at 14:54
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How to delete a localStorage item when the browser window/tab is closed?
My Case: localStorage with key + value that should be deleted when browser is closed and not single tab.
19 Answers
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