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Expand a random range from 1–5 to 1–7
... big, very fast. Powers of 5 and 7 grow quickly. Hence, performance will start to degrade noticeably after generating lots of random numbers, due to bignum arithmetic. But remember here, my goal was to maximize the usage of random bits, not to maximize performance (although that is a secondary go...
How do you access the matched groups in a JavaScript regular expression?
...String);
while (match != null) {
// matched text: match[0]
// match start: match.index
// capturing group n: match[n]
console.log(match[0])
match = myRegexp.exec(myString);
}
Edit: 2019-09-10
As you can see the way to iterate over multiple matches was not very intuitive. Thi...
How do I import the javax.servlet API in my Eclipse project?
...t working for me still getting below error A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/messenger]]
– Maya Mohi...
How to get orientation-dependent height and width of the screen?
...r... It would still be better to do the above 3 steps under the summary. Start messing with UIWindows and you'll find out weird stuff, like showing a UIAlertView will change UIApplication's keywindow to point at a new UIWindow that the UIAlertView created. Who knew? I did after finding a bug rel...
How does one generate a random number in Apple's Swift language?
...
Edit for Swift 4.2
Starting in Swift 4.2, instead of using the imported C function arc4random_uniform(), you can now use Swift’s own native functions.
// Generates integers starting with 0 up to, and including, 10
Int.random(in: 0 ... 10)
...
Why is an array not assignable to Iterable?
...re a gazillion operations that one would want to use an array for from the start. Oh, that's right, arrays were the only strongly typed collections before generics came along as a sorry hindsight.
– fatuhoku
Nov 28 '11 at 12:02
...
Sound effects in JavaScript / HTML5
...ommon volume controls, no fading, no filters/effects
I used this Getting Started With WebAudio article to get started with the WebAudio API. The FieldRunners WebAudio Case Study is also a good read.
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How to escape single quotes within single quoted strings
...interpreted as just ':
' End first quotation which uses single quotes.
" Start second quotation, using double-quotes.
' Quoted character.
" End second quotation, using double-quotes.
' Start third quotation, using single quotes.
If you do not place any whitespaces between (1) and (2), or between...
Number of lines in a file in Java
...eNumber() + 1; // +1 because line index starts at 0
}
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How do I manipulate a variable whose name conflicts with PDB commands?
... slow compared to debugging through console, which takes almost no time to start the debugger.
– Curious
Oct 29 '17 at 22:45
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