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How to make a flat list out of list of lists?
...of the sum (if not given, 0 is used instead and this case will give you an error).
Because you are summing nested lists, you actually get [1,3]+[2,4] as a result of sum([[1,3],[2,4]],[]), which is equal to [1,3,2,4].
Note that only works on lists of lists. For lists of lists of lists, you'll need ...
Find row where values for column is maximal in a pandas DataFrame
...t likely) you're just left waiting to see if you happen to smack into this error at runtime, in which case you probably have to go drop many hours worth of work from the database you were outputting results to, bang your head against the wall in IPython trying to manually reproduce the problem, fina...
One class per file rule in .NET? [closed]
...proper exception handling to deal with all the cases that yield legitimate errors, most of the best practice articles i've read emphasize the need to create specific exceptions (and some times you need a lot of them to cover the all the business rules on a large project) so that you don't end up cat...
HTML Submit-button: Different value / button-text?
...*...*/ );
(Since I don't know that language (java?), there may be syntax errors.)
I would prefer the <button> solution, but it doesn't work as expected on IE < 9.
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String's Maximum length in Java - calling length() method
... in a hello world java program which was longer than 65546. javac gives an error about that literal being too long: javac HelloWorld.java 2>&1|head -c 80 HelloWorld.java:3: constant string too long
– dlamblin
Jul 15 '11 at 19:59
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How do you loop through each line in a text file using a windows batch file?
...ent directory that contains spaces(Damn you Program Files). I'm getting an error The system cannot find the file `type.
– scragar
Jul 3 '14 at 15:48
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Will Emacs make me a better programmer? [closed]
...hat manual tasks in any part of the software development cycle is prone to errors. Great programmers also know that if someone else builds your code (e.g the IDE or anyone) then you always depend on that one elses skills when it comes to maintaining the code (e.g the IDE or anyone)
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Difference between CR LF, LF and CR line break types?
...run a textual shell script with carriage returns will usually result in an error
– Omer
Apr 24 '19 at 14:06
In Simple ...
Check if element is visible in DOM
...ser:
function isVisible(elem) {
if (!(elem instanceof Element)) throw Error('DomUtil: elem is not an element.');
const style = getComputedStyle(elem);
if (style.display === 'none') return false;
if (style.visibility !== 'visible') return false;
if (style.opacity < 0.1) return...
When to use margin vs padding in CSS [closed]
...out the padding to the longest the box would expand to, then use trial and error to come up with a matching combination for the other words going into the box that would keep it the same width for each word: jsfiddle.net/navyjax2/ngzqqjah
– vapcguy
Mar 3 '15 a...