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The order of keys in dictionaries
...e who expected OrderedDict to return arbitrary insertions in sorted order, and so I felt I should point this out.
– Hugh Bothwell
Apr 12 '11 at 1:32
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How can I prevent the scrollbar overlaying content in IE10?
In IE10, the scrollbar is not always there... and when it appears it comes on as an overlay... It's a cool feature but I would like to turn it off for my specific website as it is a full screen application and my logos and menus are lost behind it.
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'^M' character at end of lines
...acter at the end of each line of the SQL script as it is echoed to the command-line. I don't know on which OS the SQL script was originally created.
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String concatenation vs. string substitution in Python
In Python, the where and when of using string concatenation versus string substitution eludes me. As the string concatenation has seen large boosts in performance, is this (becoming more) a stylistic decision rather than a practical one?
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What is the printf format specifier for bool?
...t something like "%d" which would cause problems. The fputs, on the other hand, is a better option.
– paxdiablo
Oct 15 '14 at 2:40
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Use CSS3 transitions with gradient backgrounds
...h a background gradient, you have to set an opacity on a container element and 'transition` the opacity.
(There have been some browser releases that supported transitions on gradients (e.g IE10. I tested gradient transitions in 2016 in IE and they seemed to work at the time, but my test code no lo...
Can Python test the membership of multiple values in a list?
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This does what you want, and will work in nearly all cases:
>>> all(x in ['b', 'a', 'foo', 'bar'] for x in ['a', 'b'])
True
The expression 'a','b' in ['b', 'a', 'foo', 'bar'] doesn't work as expected because Python interprets it as a tupl...
Grabbing the href attribute of an A element
...de) {
echo $dom->saveHtml($node), PHP_EOL;
}
The above would find and output the "outerHTML" of all A elements in the $html string.
To get all the text values of the node, you do
echo $node->nodeValue;
To check if the href attribute exists you can do
echo $node->hasAttribute( '...
How to merge every two lines into one from the command line?
I have a text file with the following format. The first line is the "KEY" and the second line is the "VALUE".
21 Answers
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How to set my default shell on Mac?
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These are applicable to MacOS Sierra 10.12.5 (16F73) and probably some other recent and upcoming versions of MacOS.
chsh is not enough to change the default shell. Make sure you press Command+, while your terminal is open and change the 'Shells open with' option to 'Default l...