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How can I convert comma separated string into a List
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If you want to include some simple validation and skip over invalid values (instead 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(',')
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java: (String[])List.toArray() gives ClassCastException
...could do the same with an array, but it's simply not part of the language. If you cast Object to Double there will be a runtime check to make sure Object actually IS a Double. If you cast Double to Object there is no runtime check, since Object is in the inheritance hierarchy of Double.
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What is meant by Ems? (Android TextView)
...the width of the widest letter in that font. This width size in pixels is different than the width size of the M in the English font but it is still 1em.
So if I use a text with 12sp in an English font, 1em is relative to this 12sp English font; using an Italian font with 12sp gives 1em that is diff...
Unrecognized SSL message, plaintext connection? Exception
... same yourself. Indeed HttpURLConnection will automatically do it for you, if you don't specify a port at all.
– Marquis of Lorne
Jun 9 '14 at 23:54
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Convert floating point number to a certain precision, and then copy to string
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If you'd prefer to use .format-method, note that this can also be done by nesting arguments like so: '{:.{n}f}'.format(numvar,n=n).
– nivk
Oct 29 '18 at 20:42
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Passing HTML to template using Flask/Jinja2
...ng an admin for Flask and SQLAlchemy, and I want to pass the HTML for the different inputs to my view using render_template . The templating framework seems to escape the html automatically, so all
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How to do a SOAP Web Service call from Java class?
...the wsimport generated code to make it use your business classes (this is difficult and somehow not worth it - bear in mind everytime the WSDL changes, you'll have to regenerate and readapt the code); or
Give up and use the wsimport generated classes. (In this solution, you business code could "use"...
How do I get the MAX row with a GROUP BY in LINQ query?
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The answers are OK if you only require those two fields, but for a more complex object, maybe this approach could be useful:
from x in db.Serials
group x by x.Serial_Number into g
orderby g.Key
select g.OrderByDescending(z => z.uid)
.Fir...
How to change the font size on a matplotlib plot
...otlib.rc('font', **font)
This sets the font of all items to the font specified by the kwargs object, font.
Alternatively, you could also use the rcParams update method as suggested in this answer:
matplotlib.rcParams.update({'font.size': 22})
or
import matplotlib.pyplot as plt
plt.rcParams.up...
How did this person code “Hello World” with Microsoft Paint?
...heoretical computer science point of view, it would be interesting to ask, if every program can be written in such a way so that, viewed as a bitmap, you actually saw the source code that does the same thing. If you are seriously interested in such results, read e.g. about the Kleene's fixed point t...