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How to implement a queue using two stacks?
...uct a queue using two stacks.
Our queue model will consist of two stacks. One stack will be used for enqueue operation (stack #1 on the left, will be called as Input Stack), another stack will be used for the dequeue operation (stack #2 on the right, will be called as Output Stack). Check out the i...
What is the exact problem with multiple inheritance?
...re fortunate enough to have this ability, say that this is like giving someone a rope to eventually hang themselves.
11 An...
Android Studio installation on Windows 7 fails, no JDK found
...d the SDK location in the Android studio to my existing SDK instead of the one that came in the Android Studio bundle.
– Jaison Brooks
May 15 '13 at 21:07
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Detecting 'stealth' web-crawlers
...milar detection system based on hit-rate-limiting, be sure to use at least one-minute (and preferably at least five-minute) totals. I see a lot of people talking about these kinds of schemes who want to block anyone who tops 5-10 hits in a second, which may generate false positives on image-heavy p...
What are the file limits in Git (number and size)?
Does anyone know what are the Git limits for number of files and size of files?
10 Answers
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subtle differences between JavaScript and Lua [closed]
...arison operators. In JS, only === and !== don't type juggle.
Lua has an exponentiation operator (^); JS doesn't. JS uses different operators, including the ternary conditional operator (?: vs and/or), and, as of 5.3, bitwise operators (&, |, etc. vs. metamethods ).
UPDATE: JS now has the expon...
JavaScript: How do I print a message to the error console?
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+1. And for the benefit of anyone arriving at this question now, it's worth pointing out that since the question was answered, all browsers have now implemented the console object, so console.log() etc should work in all browsers, including IE. However, i...
decimal vs double! - Which one should I use and when? [duplicate]
...a double and when should I use a decimal type?
Which type is suitable for money computations? (ie. greater than $100 million)
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Split an NSString to access one particular piece
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NSArray* foo = [@"10/04/2011" componentsSeparatedByString: @"/"];
NSString* firstBit = [foo objectAtIndex: 0];
Update 7/3/2018:
Now that the question has acquired a Swift tag, I should add the Swift way of doing this. It's pretty much as simple:
let subs...
Why is the default value of the string type null instead of an empty string?
... the behaviour of reference types. Before invoking their instance members, one should put a check in place for a null reference.
If the default value of string were the empty string, I would not have
to test, and I would feel it to be more consistent with the other
value types like int or do...