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How do I typedef a function pointer with the C++11 using syntax?
...pe_traits>
using FunctionPtr = std::add_pointer<void()>::type;
And here is another demo.
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What is the difference between declarative and imperative programming? [closed]
I have been searching the web looking for a definition for declarative and imperative programming that would shed some light for me. However, the language used at some of the resources that I have found is daunting - for instance at Wikipedia .
Does anyone have a real-world example that they could ...
Specifying and saving a figure with exact size in pixels
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I had same issue. I used PIL Image to load the images and converted to a numpy array then patched a rectangle using matplotlib. It was a jpg image, so there was no way for me to get the dpi from PIL img.info['dpi'], so the accepted solution did not work for me. But after some tinker...
Enums and Constants. Which to use when?
I was doing some reading on enums and find them very similar to declaring constants. How would I know when to use a constant rather than an enum or vice versa. What are some of the advantages of using enums?
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moment.js - UTC gives wrong date
...time defaults to midnight.
In your code, you create a local date and then convert it to the UTC timezone (in fact, it makes the moment instance switch to UTC mode), so when it is formatted, it is shifted (depending on your local time) forward or backwards.
If the local timezone is UTC+N (N being a...
Can (domain name) subdomains have an underscore “_” in it?
...r, domain name parts must be 63 octets or shorter in
length.... All post-converted name parts that contain internationalized characters begin with the string "bq--". (...) The string "bq--" was chosen because it is extremely unlikely
to exist in host parts before this specification was produced....
How to set the part of the text view is clickable
I have the text " Android is a Software stack ". In this text i want to set the " stack " text is clickable. in the sense if you click on that it will redirected to a new activity(not in the browser).
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How do I make an http request using cookies on Android?
I'd like to make an http request to a remote server while properly handling cookies (eg. storing cookies sent by the server, and sending those cookies when I make subsequent requests). It'd be nice to preserve any and all cookies, but really the only one I care about is the session cookie.
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iOS: How to get a proper Month name from a number?
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This actually works only with the English locale (and similar languages). It doesn't work with locales for languages that use cases, e.g. Slavic languages. standaloneMonthSymbols must be used.
– Sulthan
Mar 22 '13 at 18:52
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Why is parenthesis in print voluntary in Python 2.7?
...s:
print expr1, expr2, ... exprn
(Each expression in turn is evaluated, converted to a string and displayed with a space between them.)
But remember that putting parentheses around an expression is still the same expression.
So you can also write this as:
print (expr1), (expr2), ... (expr3)
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