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Variable number of arguments in C++?
...number of arguments in C you include stdarg.h. From that you'll get the va_list type as well as three functions that operate on it called va_start(), va_arg() and va_end().
#include<stdarg.h>
int maxof(int n_args, ...)
{
va_list ap;
va_start(ap, n_args);
int max = va_arg(ap, int...
Install tkinter for Python
...: No module named 'tkinter' I Use(Python 3.7.5)
– sqp_125
Dec 9 '19 at 18:30
Solution: sudo apt-get install python3.7-...
No route matches [GET] /assets
...ils app that I'm trying to test in the production environment. I ran RAILS_ENV=production rake assets:precompile which generated all of my assets in /public/assets. The problem is that when I start my app w/ RAILS_ENV=production rails s thin I get:
...
What does Redis do when it runs out of memory?
...wered Nov 27 '14 at 14:41
daniel__daniel__
10.3k1414 gold badges5858 silver badges9090 bronze badges
...
How is the undo tree used in Vim?
... Can you merge branches? (I'm kidding)
– he_the_great
Feb 9 '10 at 19:54
40
Kinda of. L...
in_array() and multidimensional array
I use in_array() to check whether a value exists in an array like below,
22 Answers
...
How to read json file into java with simple JSON library
... = new String(Files.readAllBytes(Paths.get(fileName)), StandardCharsets.UTF_8);
JSONObject obj = new JSONObject(text);
JSONArray arr = obj.getJSONArray("employees");
for(int i = 0; i < arr.length(); i++){
String name = arr.getJSONObject(i).get...
Tools to selectively Copy HTML+CSS+JS From A Specific Element of DOM [closed]
... exactly the same set of properties and values. As a result, instead of #LI_1{...}, #LI_2{...} I got #LI_1, #LI_2 {...}.
Problem 6 - cleaning up and fixing indentation of HTML
Since I was happy with the result, I moved to HTML. It looked like a mess, mostly because the outerHTML property keeps it ...
Can someone explain the traverse function in Haskell?
...an also compare it to Foldable, which defines the related function traverse_.
traverse_ :: (Foldable t, Applicative f) => (a -> f b) -> t a -> f ()
So you can see that the key difference between Foldable and Traversable is that the latter allows you to preserve the shape of the struct...
How do I integrate Ajax with Django applications?
... return HttpResponse('Hello World!')
def home(request):
return render_to_response('index.html', {'variable': 'world'})
index.html:
<h1>Hello {{ variable }}, welcome to my awesome site</h1>
urls.py:
url(r'^hello/', 'myapp.views.hello'),
url(r'^home/', 'myapp.views.home'),
Th...