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how to find host name from IP with out login to the host
i need to find the host name of a UNIX host whose IP is known with out login to that UNIX host
11 Answers
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hasNext in Python iterators?
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No, there is no such method. The end of iteration is indicated by an exception. See the documentation.
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in Ipython notebook / Jupyter, Pandas is not displaying the graph I try to plot
... the object, it doesn't actually plot the graph itself. So it looks like this:
7 Answers
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How to allow only numeric (0-9) in HTML inputbox using jQuery?
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Note: This is an updated answer. Comments below refer to an old version which messed around with keycodes.
jQuery
Try it yourself on JSFiddle.
There is no native jQuery implementation for this, but you can filter the input values ...
Fastest way to check if a value exists in a list
What is the fastest way to know if a value exists in a list (a list with millions of values in it) and what its index is?
1...
What is the combinatory logic equivalent of intuitionistic type theory?
...to replace lambda calculus in these with combinatory logic. With Haskell this seems possible using the S and K combinators, thus making it point-free. I was wondering what the equivalent was for Agda. I.e., can one make a dependently typed functional programming language equivalent to Agda without u...
Do DOM tree elements with ids become global variables?
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What is supposed to happen is that ‘named elements’ are added as apparent properties of the document object. This is a really bad idea, as it allows element names to clash with real properties of document.
IE made the situati...
Why are hexadecimal numbers prefixed with 0x?
...s dealing with a constant (and not an identifier/reserved word). Something is still needed to specify the number base: the x is an arbitrary choice.
Long story: In the 60's, the prevalent programming number systems were decimal and octal — mainframes had 12, 24 or 36 bits per byte, which is nicel...
SQLAlchemy default DateTime
This is my declarative model:
6 Answers
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Modifying location.hash without page scrolling
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Step 1: You need to defuse the node ID, until the hash has been set. This is done by removing the ID off the node while the hash is being set, and then adding it back on.
hash = hash.replace( /^#/, '' );
var node = $( '#' + hash );
if ( node.length ) {
node.attr( 'id', '' );
}
document.locati...