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How do you validate a URL with a regular expression in Python?
... punctuation, you still have a valid URL.
Check the RFC carefully and see if you can construct an "invalid" URL. The rules are very flexible.
For example ::::: is a valid URL. The path is ":::::". A pretty stupid filename, but a valid filename.
Also, ///// is a valid URL. The netloc ("hostn...
PHP Multidimensional Array Searching (Find key by specific value)
... $field, $value)
{
foreach($products as $key => $product)
{
if ( $product[$field] === $value )
return $key;
}
return false;
}
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Do you have to include ?
...
If you don't call the favicon, favicon.ico, you can use that tag to specify the actual path (incase you have it in an images/ directory). The browser/webpage looks for favicon.ico in the root directory by default.
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What is the default form HTTP method?
When an HTML form is submitted without specifying a method, what is the default HTTP method used? GET or POST?
5 Answers
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How to add a line break in an Android TextView?
...
Upvote! This worked for me! If you just want to add a line break in the form: textView.setText(string1+System.getProperty ("line.separator")+string2); then it works a treat, thank you!
– Twice Circled
Dec 27 '12 at...
How to make jQuery to not round value returned by .width()?
...d around and couldn't find this. I'm trying to get the width of a div, but if it has a decimal point it rounds the number.
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Using unset vs. setting a variable to empty
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Mostly you don't see a difference, unless you are using set -u:
/home/user1> var=""
/home/user1> echo $var
/home/user1> set -u
/home/user1> echo $var
/home/user1> unset var
/home/user1> echo $var
-bash: var: unbound variable
S...
How do I get the function name inside a function in PHP?
...includes the class name) or __FUNCTION__ (just function name) depending on if it's a method or a function... =)
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What is the difference between linear regression and logistic regression?
...) and link (log, logit, inverse-log, etc.) you use, the interpretation is different.
Error minimization technique
Linear regression uses ordinary least squares method to minimise the
errors and arrive at a best possible fit, while logistic regression
uses maximum likelihood method to arrive at the...
Extension method and dynamic object
...pported by dynamic typing in the form of extension methods, i.e. called as if they were instance methods. However, this will work:
dynamic dList = list;
Console.WriteLine(Enumerable.First(dList));
Of course, that may or may not be useful. If you could give more information about why and how you'r...