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unsigned int vs. size_t
... static array of 8Gb).
The size_t type may be bigger than, equal to, or smaller than an unsigned int, and your compiler might make assumptions about it for optimization.
You may find more precise information in the C99 standard, section 7.17, a draft of which is available on the Internet in pdf fo...
Why does npm install say I have unmet dependencies?
I have a node package. When I run npm install from the package root, it installs a bunch of things, but then prints several error messages that look like this:
...
Clang optimization levels
...ass=Arguments
As pointed out in Geoff Nixon's answer (+1), clang additionally runs some higher level optimizations, which we can retrieve with:
echo 'int;' | clang -xc -O3 - -o /dev/null -\#\#\#
Documentation of individual passes is available here.
With version 6.0 the passes are as follow...
What does the keyword Set actually do in VBA?
...ould be correct (and it would be in C), but Set A = B | A = &B; is actually correct in VBA (and it would fail in C). In VBA, A = B and Set A = B are BOTH equivalent to C's A = B;! The distinction happens somewhere else.
– Niko O
May 25 at 8:18
...
What is the difference among col-lg-*, col-md-* and col-sm-* in Bootstrap?
...a new -xl- size, see this demo. Also the -xs- infix has been removed, so smallest columns are simply col-1, col-2.. col-12, etc..
col-* - 0 (xs)
col-sm-* - 576px
col-md-* - 768px
col-lg-* - 992px
col-xl-* - 1200px
Bootstrap 4 Grid Demo
Additionally, Bootstrap 4 includes new auto-layout columns. Thes...
Cache an HTTP 'Get' service response in AngularJS?
...url, { cache: true}).success(...);
or, if you prefer the config type of call:
$http({ cache: true, url: url, method: 'GET'}).success(...);
Cache Object
You can also use a cache factory:
var cache = $cacheFactory('myCache');
$http.get(url, { cache: cache })
You can implement it yourself usi...
Android 4.3 menu item showAsAction=“always” ignored
... @dineth appcompat is used as a library project. This means all its resources (strings, drawable, attributes...) are declared in your application namespace instead of the android namespace. As the showAsAction attribute did not exist in android-7, you have to use your app namespace
...
Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
...e two main reasons that one would create an Implicitly Unwrapped Optional. All have to do with defining a variable that will never be accessed when nil because otherwise, the Swift compiler will always force you to explicitly unwrap an Optional.
1. A Constant That Cannot Be Defined During Initializ...
What are the Ruby Gotchas a newbie should be warned about? [closed]
I have recently learned the Ruby programming language, and all in all it is a good language. But I was quite surprised to see that it was not as simple as I had expected. More precisely, the "rule of least-surprise" did not seem very respected to me (of course this is quite subjective). For examp...
What is null in Java?
... false.
It is also the default value (for variables that have them) for all reference types:
JLS 4.12.5 Initial Values of Variables
Each class variable, instance variable, or array component is initialized with a default value when it is created:
For all reference types, the defa...