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How to do a regular expression replace in MySQL?
...exp doesn't seem to have support for multibyte characters. regexp_replace('äöõü', 'ä', '') returns a long numeric string instead of real text.
– lkraav
Feb 20 '12 at 1:44
3
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C++11 emplace_back on vector?
...score_d: I'm not sure that I remember every detail of what I was thinking 3½ years ago, but I thinj what I was suggesting was that if you just use a tuple instead of defining a POD struct, then you get a constructor for free, which means that you get the emplace syntax for free (among other things ...
Django - how to create a file and save it to a model's FileField?
...s certainly a good solution, but here is the way I went about generating a CSV and serving it from a view.
Thought it was worth while putting this here as it took me a little bit of fiddling to get all the desirable behaviour (overwrite existing file, storing to the right spot, not creating duplica...
How can I convert comma separated string into a List
...ad of throwing an exception), here's something that uses TryParse:
string csv = "1,2,3,4,a,5";
int mos = 0;
var intList = csv.Split(',')
.Select(m => { int.TryParse(m, out mos); return mos; })
.Where(m => m != 0)
.ToList();
//return...
Version number comparison in Python
...(normalize(version1), normalize(version2))
This is the same approach as Pär Wieslander, but a bit more compact:
Here are some tests, thanks to "How to compare two strings in dot separated version format in Bash?":
assert mycmp("1", "1") == 0
assert mycmp("2.1", "2.2") < 0
assert mycmp("3.0.4...
Convert floats to ints in Pandas?
I've been working with data imported from a CSV. Pandas changed some columns to float, so now the numbers in these columns get displayed as floating points! However, I need them to be displayed as integers, or, without comma. Is there a way to convert them to integers or not display the comma?
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How to get first 5 characters from string [duplicate]
...
substr("Häagen-Dazs", 0, 5) == "Häag" - what am i doing wrong?
– user187291
Sep 24 '10 at 13:32
12
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Way to read first few lines for pandas dataframe
Is there a built-in way to use read_csv to read only the first n lines of a file without knowing the length of the lines ahead of time? I have a large file that takes a long time to read, and occasionally only want to use the first, say, 20 lines to get a sample of it (and prefer not to load the...
Do I need dependency injection in NodeJS, or how to deal with …?
...ation has changed considerably since '09?
– Juho Vepsäläinen
Dec 12 '13 at 15:13
13
Do you mean...
How to Display blob (.pdf) in an AngularJS app
...ered Jun 11 '15 at 14:03
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