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HTML input file selection event not firing upon selecting the same file
... completion of your file processing set the value of file control to blank string.so the .change() will always be called even the file name changes or not. like for example you can do this thing and worked for me like charm
$('#myFile').change(function () {
LoadFile("myFile");//function t...
Is there a way that I can check if a data attribute exists?
...{
...
}
NOTE this only returns true if the data attribute is not empty string or a "falsey" value e.g. 0 or false.
If you want to check for the existence of the data attribute, even if empty, do this:
if (typeof $("#dataTable").data('timer') !== 'undefined') {
...
}
...
Validating parameters to a Bash script
...
Use '-z' to test for empty strings and '-d to check for directories.
if [[ -z "$@" ]]; then
echo >&2 "You must supply an argument!"
exit 1
elif [[ ! -d "$@" ]]; then
echo >&2 "$@ is not a valid directory!"
exit 1
fi
...
Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
Does javascript use immutable or mutable strings? Do I need a "string builder"?
10 Answers
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Difference between String replace() and replaceAll()
What's the difference between java.lang.String 's replace() and replaceAll() methods,
other than later uses regex? For simple substitutions like, replace . with / ,
is there any difference?
...
How to make an HTML back link?
...containerobj.filters ? "ie" : typeof textcontainerobj.style.MozOpacity == "string" ? "mozilla" : ""
instantset(baseopacity)
document.getElementById("tabledescription").innerHTML = thetext.href
highlighting = setInterval("gradualfade(textcontainerobj)", 50)
}
<a href="http://www.javasc...
In C++, what is a “namespace alias”?
...ave to specify the namespace to use classes within that namespace. ie std::string becomes string.
my resource: https://www.quora.com/What-is-namespace-in-C++-1
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Immutability of Strings in Java
...bject, it's a reference to an object. "Hello" and "Help!" are two distinct String objects. Thus, str points to a string. You can change what it points to, but not that which it points at.
Take this code, for example:
String s1 = "Hello";
String s2 = s1;
// s1 and s2 now point at the same string - "H...
Replace part of a string with another string
Is it possible in C++ to replace part of a string with another string?
15 Answers
15
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How to use sed/grep to extract text between two words?
I am trying to output a string that contains everything between two words of a string:
12 Answers
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