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JQuery to check for duplicate ids in a DOM
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Very nice solution but it needs extra quotes in var ids = $('[id=\''+this.id+'\']'); so it works with dots and other weird things in IDs.
– zidarsk8
Oct 12 '11 at 14:43
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How to convert a string of numbers to an array of numbers?
I have below string -
14 Answers
14
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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
...= Copy(obj[k], use_deepcopy)
elif t in dignore:
# Numeric or string/unicode?
# It's immutable, so ignore it!
pass
elif use_deepcopy:
obj = deepcopy(obj)
return obj
if __name__ == '__main__':
import copy
from time import time
num_times =...
A potentially dangerous Request.Form value was detected from the client
...erently dangerous. It's only dangerous in a specific context: when writing strings that haven't been encoded to HTML output (because of XSS).
In other contexts different sub-strings are dangerous, for example, if you write an user-provided URL into a link, the sub-string "javascript:" may be dangero...
Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?
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The reason for first one working:
From MSDN:
In string concatenation operations,the C# compiler treats a null string the same as an empty string, but it does not convert the value of the original null string.
More information on the + binary operator:
The binary + operat...
Check whether a path is valid
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Try Uri.IsWellFormedUriString():
The string is not correctly escaped.
http://www.example.com/path???/file name
The string is an absolute Uri that represents an implicit file Uri.
c:\\directory\filename
The string is an absolute URI that is mi...
What's the point of 'const' in the Haskell Prelude?
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Say you want to create a list of Nothings equal to the length of a string. As const returns its first argument, no matter the second, you can do:
listOfNothings :: String -> [Maybe Char]
listOfNothings = (map . const) Nothing
or, more explicitly:
listOfNothing st = map (const Nothing)...
How to distinguish mouse “click” and “drag”
...en if you move the mouse a tiny bit while clicking, this will say drag. An extra scope like other comments are saying may be needed here.
– ChiMo
Oct 18 '16 at 5:37
1
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How do I check which version of NumPy I'm using?
... Rodger's answer recommends Parse the version (and create your own version strings) as recommended in PEP 386 / PEP 440.
– dawg
Apr 2 '14 at 16:09
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How to make my custom type to work with “range-based for loops”?
... return false;
}
};
live example of this.
Minimal test code is:
struct cstring {
const char* ptr = 0;
const char* begin() const { return ptr?ptr:""; }// return empty string if we are null
null_sentinal_t end() const { return {}; }
};
cstring str{"abc"};
for (char c : str) {
std::cout &...