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How do I get the last four characters from a string in C#?
... you're positive the length of your string is at least 4, then it's even shorter:
mystring.Substring(mystring.Length - 4);
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Grabbing the href attribute of an A element
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Reliable Regex for HTML are difficult. Here is how to do it with DOM:
$dom = new DOMDocument;
$dom->loadHTML($html);
foreach ($dom->getElementsByTagName('a') as $node) {
echo $dom->saveHtml($node), PHP_EOL;
}
The above would ...
What is a “static” function in C?
... are functions that are only visible to other functions in the same file (more precisely the same translation unit).
EDIT: For those who thought, that the author of the questions meant a 'class method': As the question is tagged C he means a plain old C function. For (C++/Java/...) class methods, s...
Creating an empty list in Python
...initialization is most likely an extremely small part of your program, so worrying about this is probably wrong-headed.
Readability is very subjective. I prefer [], but some very knowledgable people, like Alex Martelli, prefer list() because it is pronounceable.
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Identify if a string is a number
...);
Update As of C# 7:
var isNumeric = int.TryParse("123", out int n);
or if you don't need the number you can discard the out parameter
var isNumeric = int.TryParse("123", out _);
The var s can be replaced by their respective types!
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How do I look inside a Python object?
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globals()
locals()
callable()
type() and dir() are particularly useful for inspecting the type of an object and its set of attributes, respectively.
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How to remove MySQL root password [closed]
I want to remove the password for user root in localhost. How can I do that? By mistake I have set the password of root user. That's why phpmyadmin is giving an error:
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How to move up a directory with Terminal in OS X
...rts me in 'Macintosh HD/Users/MyName'. How can I back out of my user directory, back up to the top level?
5 Answers
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Serialize object to query string in JavaScript/jQuery [duplicate]
I'm trying to find information on how to serialize an object to query string format, but all my searches are drowning in results on how to go the other way (string/form/whatever to JSON).
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get an element's id
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Yes you can just use the .id property of the dom element, for example:
myDOMElement.id
Or, something like this:
var inputs = document.getElementsByTagName("input");
for (var i = 0; i < inputs.length; i++) {
alert(inputs[i].id);
}
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