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Is PHP's count() function O(1) or O(n) for arrays?
Does count() really count the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved?
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event.preventDefault() vs. return false
...$('a').click(function (e) {
// custom handling here
// oops...runtime error...where oh where will the href take me?
return false;
});
The benefit to using event.preventDefault() is that you can add this as the first line in the handler, thereby guaranteeing that the anchor's default behavi...
Xcode 6 iPhone Simulator Application Support location
...ultManager]createSymbolicLinkAtPath:aliasPath withDestinationPath:DOCS_DIR error:nil]; #endif Now I've got a simlink that works, even though iOS8 + XCode6 changes my App's Data GUID everytime I build.
– seabass
Sep 22 '14 at 17:56
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Is there a standard for storing normalized phone numbers in a database?
What is a good data structure for storing phone numbers in database fields? I'm looking for something that is flexible enough to handle international numbers, and also something that allows the various parts of the number to be queried efficiently.
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How do I add a password to an OpenSSH private key that was generated without a password?
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How to get the user input in Java?
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I believe this will return an error running from almost any IDE. confirmed that intelliJ is having the same issue.
– Dan Bradbury
Nov 19 '13 at 22:59
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“Public key certificate and private key doesn't match” when using Godaddy issued certificate [closed
...oad those in the load balancer setup screen on AWS Mgmt Console, I get the error message: "Public Key Certificate and Private Key doesn't match."
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i18n Pluralization
I want to be able to translate pluralized strings in i18n in rails. A string can be :
7 Answers
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Why doesn't Java allow generic subclasses of Throwable?
...:
class ParametricException<T> extends Exception { // compile-time error
private final T value;
public ParametricException(T value) { this.value = value; }
public T getValue() { return value; }
}
An attempt to compile the above reports an error:
% javac ParametricException.java
Para...
How do I convert a Vector of bytes (u8) to a string
...::str;
//
// pub fn from_utf8(v: &[u8]) -> Result<&str, Utf8Error>
//
// Assuming buf: &[u8]
//
fn main() {
let buf = &[0x41u8, 0x41u8, 0x42u8];
let s = match str::from_utf8(buf) {
Ok(v) => v,
Err(e) => panic!("Invalid UTF-8 sequence: {}", e...