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POST unchecked HTML checkboxes
...ing the form, disable the hidden input based on the checked condition:
if(document.getElementById("testName").checked) {
document.getElementById('testNameHidden').disabled = true;
}
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im...
Detecting 'stealth' web-crawlers
What options are there to detect web-crawlers that do not want to be detected?
11 Answers
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What is the proper way to test if a parameter is empty in a batch file?
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You do not make it clear that it DOES NOT work with spaces. Use @jamesdlin answer instead.
– JB. With Monica.
Jun 12 '17 at 11:56
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subtle differences between JavaScript and Lua [closed]
...he yield keyword inside generators, giving it support for coroutines.
Lua doesn't convert between types for any comparison operators. In JS, only === and !== don't type juggle.
Lua has an exponentiation operator (^); JS doesn't. JS uses different operators, including the ternary conditional operato...
Exit a Script On Error
...side it fails (i.e. as soon as any command returns a nonzero status). This doesn't let you write your own message, but often the failing command's own messages are enough.
The advantage of this approach is that it's automatic: you don't run the risk of forgetting to deal with an error case.
Comman...
Breadth First Vs Depth First
...is the difference between Breadth First and Depth first? Any coding or pseudocode examples would be great.
4 Answers
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Is it safe to check floating point values for equality to 0?
I know you can't rely on equality between double or decimal type values normally, but I'm wondering if 0 is a special case.
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What does Redis do when it runs out of memory?
...might be easy question but I am having a hard time finding the answer. How does Redis 2.0 handle running out of maximum allocated memory? How does it decide which data to remove or which data to keep in memory?
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How to create an object property from a variable value in JavaScript? [duplicate]
...to 'myObj', name it 'string1' and give it a value of 'string2', but when I do it it returns 'undefined:
9 Answers
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What does the ??!??! operator do in C?
...pport that theory.
From ISO/IEC 9899:1999 §5.2.1.1, footnote 12 (h/t @Random832):
The trigraph sequences enable the input of characters that are not defined in the Invariant Code Set as
described in ISO/IEC 646, which is a subset of the seven-bit US ASCII code set.
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