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Why is processing a sorted array faster than processing an unsorted array?
...ator of a junction and you hear a train coming. You have no idea which way it is supposed to go. You stop the train to ask the driver which direction they want. And then you set the switch appropriately.
Trains are heavy and have a lot of inertia. So they take forever to start up and slow down.
Is t...
Favorite (Clever) Defensive Programming Best Practices [closed]
If you had to choose your Favorite (clever) techniques for defensive coding, what would they be? Although my current languages are Java and Objective-C (with a background in C++), feel free to answer in any language. Emphasis here would be on clever defensive techniques other than those that 7...
NULL values inside NOT IN clause
...follow
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edited Sep 25 '08 at 17:06
answered Sep 24 '08 at 19:01
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How does the NSAutoreleasePool autorelease pool work?
As I understand it, anything created with an alloc , new , or copy needs to be manually released. For example:
7 Answer...
How do you use version control with Access development?
I'm involved with updating an Access solution. It has a good amount of VBA, a number of queries, a small amount of tables, and a few forms for data entry & report generation. It's an ideal candidate for Access.
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Go to back directory browsing after opening file in vim
...an go back to the last buffer using :b#.
If you just opened a file, then it will bring you just back to the directory browsing.
Update:
Since this answer happened to be accept as the correct answer and is thus on the top, I'd like to summarize a bit the answers, including the one by @romainl that...
How to npm install to a specified directory?
Is it possible to specify a target directory when running npm install <package> ?
4 Answers
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How to convert date to timestamp in PHP?
... Unix and is time-zone aware, which is probably what you want if you work with dates.
If you don't care about timezone, or want to use the time zone your server uses:
$d = DateTime::createFromFormat('d-m-Y H:i:s', '22-09-2008 00:00:00');
if ($d === false) {
die("Incorrect date string");
} else...
How to create a generic array in Java?
...hecked"?
What does that mean?
Checked: strong typing. GenSet knows explicitly what type of objects it contains (i.e. its constructor was explicitly called with a Class<E> argument, and methods will throw an exception when they are passed arguments that are not of type E. See Collections.chec...
What is the right way to check for a null string in Objective-C?
...f "null" under Cocoa/Objective C. But one further thing to note is that [title isKindOfClass:[NSNull class]] is pointlessly complex since [NSNull null] is documented to be a singleton so you can just check for pointer equality. See Topics for Cocoa: Using Null.
So a good test might be:
if (title ...