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How to convert a Binary String to a base 10 integer in Java
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Does this work with leading zeros too? Just confirming, although I see no reason why not.
– Siddhartha
May 25 '17 at 15:22
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How to get the focused element with jQuery?
...ed = $(':focus');
// No jQuery:
var focused = document.activeElement;
// Does the element have focus:
var hasFocus = $('foo').is(':focus');
// No jQuery:
elem === elem.ownerDocument.activeElement;
Which one should you use? quoting the jQuery docs:
As with other pseudo-class selectors (those...
How can you do anything useful without mutable state?
...e the recursive call is the last thing in the function ... then the system doesn't need to generate a new stack frame ... it can just reuse the previous one. This is a common optimization for functional programming languages. en.wikipedia.org/wiki/Tail_call
– reteptilian
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How to programmatically click a button in WPF?
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The RaiseEvent solution only raises the event. It does not execute the Command associated with the Button (as Skanaar say)
– Eduardo Molteni
Jan 18 '10 at 10:30
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How do I get the name of the active user via the command line in OS X?
... crontab entry that schedules a bash shell command procedure, that in turn does some cleanup of my files; and, when done, sends a notification to me using the OS X notification center (with the command osascript -e 'display notification ...). If someone (e.g. my wife or my daughter) switches the cu...
Check if table exists without using “select from”
...ename'
AND table_name = 'testtable';
If no rows returned, then the table doesn't exist.
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How to add number of days to today's date? [duplicate]
...or documentation, you can add o substract days with the method setDate. It does not matter if the number you pass to the method is greater than 31, it could be even a negative value.
– Cacho Santa
Mar 8 '12 at 16:20
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Bash syntax error: unexpected end of file
... I had this in a script shared with me from a zsh user. The former does work in zsh but not in sh nor bash. Wish I was 4 people so I could give this 4 upvotes
– Davos
Jan 4 '19 at 0:41
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Merge and interleave two arrays in Ruby
...rray in the order Chris asked for, but if the order of the resulting array doesn't matter, you can just use a |= b. If you don't want to mutate a, you can write a | b and assign the result to a variable.
See the set union documentation for the Array class at http://www.ruby-doc.org/core/classes/Arr...
Making an iframe responsive
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IOS does not calculate height correctly, it takes navigation bar into account. Also Iframe on IOS is not scrollable.
– Tine Koloini
Mar 15 '16 at 15:16
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