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Are there any downsides to passing structs by value in C, rather than passing a pointer?
...t this site is named after...
If I see an application that seems to have excessive stack usage, structs passed by value is one of the things I look for first.
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Auto-reload browser when I save changes to html file, in Chrome?
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I assume you're not on OSX? Otherwise you could do something like this with applescript:
http://brettterpstra.com/watch-for-file-changes-and-refresh-your-browser-automatically/
There is also a plugin for chrome called "auto refresh plus" where you...
Convert a Git folder to a submodule retrospectively?
...n perhaps add a new remote. Also, if there are ignored files, a git clean -xd -f may be useful
– naught101
Mar 7 '13 at 0:17
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When should you use constexpr capability in C++11?
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Suppose it does something a little more complicated.
constexpr int MeaningOfLife ( int a, int b ) { return a * b; }
const int meaningOfLife = MeaningOfLife( 6, 7 );
Now you have something that can be evaluated down to a constant while maintaining good readability and allowing sligh...
Parse config files, environment, and command-line arguments, to get a single collection of options
...think this is an advantage, because users will only have to learn one syntax.) Setting fromfile_prefix_chars to, for example, @, makes it so that,
my_prog --foo=bar
is equivalent to
my_prog @baz.conf
if @baz.conf is,
--foo
bar
You can even have your code look for foo.conf automatically by ...
What are the differences between Generics in C# and Java… and Templates in C++? [closed]
... or .class file, and the JVM/CLR will do stuff with this.
C++ produces raw x86 binary code. Everything is not an object, and there's no underlying virtual machine which needs to know about a Person class. There's no boxing or unboxing, and functions don't have to belong to classes, or indeed anythin...
How do I find the width & height of a terminal window?
As a simple example, I want to write a CLI script which can print = across the entire width of the terminal window.
9 Ans...
Set operations (union, intersection) on Swift array?
...Set)// Intersection of two sets
firstSet.symmetricDifference(secondSet)// exclusiveOr
Swift 2.0 can calculate on array arguments:
set1.union(array2) // {"a", "b", "c", "d"}
set1.intersect(array2) // {"a", "b"}
set1.subtract(array2) // {"c"}
set1.exclusiveOr(array2) // {"c", "d"}
Swi...
How do I remove a substring from the end of a string in Python?
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strip doesn't mean "remove this substring". x.strip(y) treats y as a set of characters and strips any characters in that set from the ends of x.
Instead, you could use endswith and slicing:
url = 'abcdc.com'
if url.endswith('.com'):
url = url[:-4]
Or using regu...
How can I add an item to a SelectList in ASP.net MVC
...tem at the beginning of a SelectList with the default value of 0 and the Text Value of " -- Select One --"
13 Answers
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