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What is the difference between onBlur and onChange attribute in HTML?
...hat field's value changes. These events will not always occur in the same order, however.
In Firefox, tabbing out of a changed field will fire onchange then onblur, and it will normally do the same in IE. However, if you press the enter key instead of tab, in Firefox it will fire onblur then onch...
What is a lambda (function)?
...us and refers to anonymous functions in programming.
Why is this cool? It allows you to write quick throw away functions without naming them. It also provides a nice way to write closures. With that power you can do things like this.
Python
def adder(x):
return lambda y: x + y
add5 = adder(5)...
Accessing dict keys like an attribute?
...s on it for aesthetic reasons, I continue to use a dict for consistency in order to enhance readability.
I'm sure the OP has long-since resolved this to his satisfaction, but if he still wants this functionality, then I suggest he download one of the packages from pypi that provides it:
Bunch is ...
Reverse / invert a dictionary mapping
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Fun Fact: Dictionaries will be ordered (by time of insertion) in Python 3.7 onwards.
– byxor
Jun 12 '18 at 20:18
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Read Excel File in Python
...nded to the values string separated by a new line char.
The output column order is determined by the order of the column names in the FORMAT list.
In my code below the case of the column name in the FORMAT list is important. In the question above you've got 'Pincode' in your FORMAT list, but 'PinC...
What algorithms compute directions from point A to point B on a map?
...outing != tsp. in tsp you know all the distances and you optimize the stop order - this is not a point to point algo.
– Karussell
Jun 29 '12 at 14:20
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How can I see normal print output created during pytest run?
...the running of that command with a custom setuptools test command that (in order):
Monkey-patches the private _pytest API.
Calls the public pytest.main() function to run the py.test command.
This answer monkey-patches py.test's -s and --capture=no options to capture stderr but not stdout. By de...
jQuery post() with serialize and extra data
...lizeArray();
data.push({name: 'wordlist', value: wordlist});
$.post("page.php", data);
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How to remove line breaks (no characters!) from the string?
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You should be able to replace it with a preg that removes all newlines and carriage returns. The code is:
preg_replace( "/\r|\n/", "", $yourString );
Even though the \n characters are not appearing, if you are getting carriage returns there is an invisible character there. The pr...
MySQL Query GROUP BY day / month / year
... that return non-string value for SQL comparison condition (WHERE, HAVING, ORDER BY, GROUP BY).
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