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What does “:=” do?
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http://en.wikipedia.org/wiki/Equals_sign#In_computer_programming
In computer programming languages, the equals sign typically denotes either a boolean operator to test equality of values (e.g. as in Pascal or Eiffel), which is consistent with the symbol's ...
jquery: $(window).scrollTop() but no $(window).scrollBottom()
...'s answer below). What this gives is the # of vertical pixel from document _top_ to the visible window Bottom. It is useful for sure, though can't call it the opposite to ScrollBottom (I know this is a marked answer but for future readers like myself)
– DeepSpace101
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SQL to find the number of distinct values in a column
...quency:
SELECT column_name, COUNT(*) FROM table_name GROUP BY column_name ORDER BY 2 DESC;
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python: SyntaxError: EOL while scanning string literal
...dows e.g. C:\Users\ The problem is that \ is an escape character and so in order to use it in strings you need to add one more \.
Incorrect: C:\Users\
Correct: C:\\\Users\\\
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'Operation is not valid due to the current state of the object' error during postback
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How to use “raise” keyword in Python [duplicate]
...dler, so that it can be handled further up the call stack.
try:
generate_exception()
except SomeException as e:
if not can_handle(e):
raise
handle_exception(e)
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How to present a simple alert message in java?
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How do I count unique values inside a list
... Counter(words).values() is nice. We are assuming the the count is in the order of first appearance of the list of words? I mean, I'm assuming the count will give us the count of a, then b, then c, then d...
– Monica Heddneck
Aug 19 '17 at 1:12
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Removing “NUL” characters
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How to set focus on input field?
...on($timeout) {
return {
restrict: 'AC',
link: function(_scope, _element) {
$timeout(function(){
_element[0].focus();
}, 0);
}
};
});
usage is
<input name="theInput" auto-focus>
We use the timeout to let things in the...