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design a stack such that getMinimum( ) should be O(1)
... Min stack
5 --> TOP 1
1 1
4 2
6 2
2 2
After popping twice you get:
Real stack Min stack
4 2
6 2
2 2
Please let me know if this isn't enough information. It's si...
get current url in twig template?
...
253
{{ path(app.request.attributes.get('_route'),
app.request.attributes.get('_route_params')...
How to generate a git patch for a specific commit?
...
2054
Try:
git format-patch -1 <sha>
or
git format-patch -1 HEAD
According to the docum...
Check if UIColor is dark or bright?
...or white text, use the color brightness calculation above. If it is below 125, use white text. If it is 125 or above, use black text.
edit 1: bias towards black text. :)
edit 2: The formula to use is ((Red value * 299) + (Green value * 587) + (Blue value * 114)) / 1000.
...
Convert dmesg timestamp to custom date format
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182
Understanding dmesg timestamp is pretty simple: it is time in seconds since the kernel started. ...
Find if variable is divisible by 2
How do I figure out if a variable is divisible by 2? Furthermore I need do a function if it is and do a different function if it is not.
...
Check that an email address is valid on iOS [duplicate]
...ing
{
BOOL stricterFilter = NO; // Discussion http://blog.logichigh.com/2010/09/02/validating-an-e-mail-address/
NSString *stricterFilterString = @"^[A-Z0-9a-z\\._%+-]+@([A-Za-z0-9-]+\\.)+[A-Za-z]{2,4}$";
NSString *laxString = @"^.+@([A-Za-z0-9-]+\\.)+[A-Za-z]{2}[A-Za-z]*$";
NSString *em...
Simple proof that GUID is not unique [closed]
...ain(string[] args)
{
//var reserveSomeRam = new byte[1024 * 1024 * 100]; // This indeed has no effect.
Console.WriteLine("{0:u} - Building a bigHeapOGuids.", DateTime.Now);
// Fill up memory with guids.
var bigHeapOGuids = new HashSet<G...
TypeError: got multiple values for argument
...
232
This happens when a keyword argument is specified that overwrites a positional argument. For e...