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How to ignore the first line of data when processing CSV data?
... seen has_header(file.readline()) being used and even if it worked most of time, I would be highly suspicious of the approach for the reasons stated.
– martineau
Jan 12 '18 at 18:40
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Modulo operation with negative numbers
...assic Euclidean modulo, not %.
I was expecting a positive result every time.
To perform a Euclidean modulo that is well defined whenever a/b is defined, a,b are of any sign and the result is never negative:
int modulo_Euclidean(int a, int b) {
int m = a % b;
if (m < 0) {
// m += (b...
Python Flask, how to set content type
...nse, self).__init__(*args, **kwargs)
self.set_cookie("last-visit", time.ctime())
app.response_class = MyResponse
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How do I remove packages installed with Python's easy_install?
...l installed package. I had to run 'pip uninstall <package>' multiple times to remove all versions of the package, though. So keep that in mind. It even removed a 'develop' installed package, which was kind of a mess as a result.
– DragonFax
Jul 29 '13 at ...
How to index into a dictionary?
...ough the power of hashmaps you can pull the index your entries in constant time (aka a whole lot faster)
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Get the new record primary key ID from MySQL insert query?
...esn't seem to be a good idea? If 2 clients call that function at the same time, they'll think they're inserting the same id when in reality they are not.... one will be slightly slower on the insert and get the next ID without it knowing.
– CarCar
Jul 7 '17 at...
View not attached to window manager crash
...ave full control on when to finish the Activity; Android may finish it any time. So, #2 doesn't make sense.
– Alexander Abakumov
Apr 4 '18 at 22:14
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How to get a thread and heap dump of a Java process on Windows that's not running in a console
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That's most of the times not feasible as it has an overhead attached to it and thread dumps are generally retrieved from production machines.
– Hammad Dar
Oct 18 '15 at 16:58
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How can I clear an HTML file input with JavaScript?
...'t actually clear the http files queue. What happens then is that the next time you try to upload, you can only select one file, and worse, it gets saved to the previous file folder. This answer will clear both, and you can resume uploading the next set of files just as easily as you uploaded the fi...
Real-world examples of recursion [closed]
...d have caused infection. Repeat on all involved who were contagious at the time of the interaction until no contagious are found
– William FitzPatrick
Jul 17 '18 at 18:30
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