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HTML text input allow only numeric input
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} else {
this.value = "";
}
});
});
}
You can now use the setInputFilter function to install an input filter:
setInputFilter(document.getElementById("myTextBox"), function(value) {
return /^\d*\.?\d*$/.test(value); // Allow digits and '.' only, using a RegExp
});
Se...
What's the point of 'const' in the Haskell Prelude?
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Blog link in the answer is dead. It should now point here: brandon.si/code/…
– nsxt
Jul 11 '15 at 3:46
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How to specify jackson to only use fields - preferably globally
...ty = JsonAutoDetect.Visibility.NONE
)
public @interface JsonExplicit {
}
Now you just have to annotate your classes with @JsonExplicit and you're good to go!
Also make sure to edit the above call to @JsonAutoDetect to make sure you have the values set to what works with your program.
Credit to h...
Understanding Python super() with __init__() methods [duplicate]
..."UserDependency init'ed")
super(UserDependency, self).__init__()
Now remember, ChildB uses super, ChildA does not:
class UserA(ChildA, UserDependency):
def __init__(self):
print("UserA init'ed")
super(UserA, self).__init__()
class UserB(ChildB, UserDependency):
de...
How do I force a favicon refresh?
...on refresh:
Hover over tab
Right Click
Select reload
Your favicon should now be refreshed
This is the easiest way I've found to refresh the favicon locally.
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Calling filter returns [duplicate]
...ar with list comprehensions and generator expressions, the above filter is now (almost) equivalent to the following in python3.x:
( x for x in data if func(x) )
As opposed to:
[ x for x in data if func(x) ]
in python 2.x
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How do I best silence a warning about unused variables?
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C++17 now provides the [[maybe_unused]] attribute.
http://en.cppreference.com/w/cpp/language/attributes
Quite nice and standard.
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Difference between array_push() and $array[] =
...e in that way there is no overhead of calling a function." don't have time now to see exactly what is behind it as the search term is bit confusing for search engines :)
– jnhghy - Alexandru Jantea
Jun 16 '17 at 14:29
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stop all instances of node.js server
...ute and type:
ps aux | grep node
to get a list of all node process ids. now you can get your process id(pid), then
do:
kill -9 PID
and if you want to kill all node processes then do:
killall -9 node
-9 switch is like end task on windows. it will force the process to end.
you can do:
kill -...
How do I reference a javascript object property with a hyphen in it?
... in safari and chrome displays red, red, center, center. I will try in ff now
– austinbv
Aug 19 '11 at 14:36
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