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Error “initializer element is not constant” when trying to initialize variable with const
... C language, the term "constant" refers to literal constants (like 1, 'a', 0xFF and so on), enum members, and results of such operators as sizeof. Const-qualified objects (of any type) are not constants in C language terminology. They cannot be used in initializers of objects with static storage dur...
Can I change the viewport meta tag in mobile safari on the fly?
...]");
viewport.setAttribute('content', 'width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0');
Just change the parts you need and Mobile Safari will respect the new settings.
Update:
If you don't already have the meta viewport tag in the source, you can append it directly wi...
Sass - Converting Hex to RGBa for background opacity
...e, this would work just fine:
@mixin background-opacity($color, $opacity: 0.3) {
background: $color; /* The Fallback */
background: rgba($color, $opacity);
}
element {
@include background-opacity(#333, 0.5);
}
If you ever need to break the hex color into RGB components, though, you ...
Advances social tools app with cool UI - Koded Apps - Kodular Community
... (prefers-color-scheme: light) {
:root {
--primary: #000000;
--secondary: #ffffff;
--tertiary: #4527a0;
--quaternary: #4527a0;
--highlight: #a18ddf;
--success: #1ca551;
}
}
/* then deal with ...
How to easily resize/optimize an image size with iOS?
...one disk. Some of those images are pretty big in size (widths larger than 500 pixels, for instance). Since the iPhone doesn't even have a big enough display to show the image in its original size, I'm planning on resizing the image to something a bit smaller to save on space/performance.
...
How to sort an array by a date property
... else if(sort_o1_after_o2) return 1;
else return 0;
});
Or more tersely:
array.sort(function(o1,o2){
return sort_o1_before_o2 ? -1 : sort_o1_after_o2 ? 1 : 0;
});
Generic, Powerful Answer
Define a custom non-enumerable sortBy function using a Schwartzian transform o...
How to escape braces (curly brackets) in a format string in .NET
...
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python setup.py uninstall
...eworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/my_module-0.1.egg/ on macOS. It has no files, but Python will still import an empty module:
>>> import my_module
>>> my_module.__file__
None
Once deleted, Python shows:
>>> import my_module
Traceback (mos...
Checking for NULL pointer in C/C++ [closed]
...
206
In my experience, tests of the form if (ptr) or if (!ptr) are preferred. They do not depend on ...
Difference between map and collect in Ruby?
...well: In C++'s Standard Template Library, it is called transform, in C# (3.0)'s LINQ library, it is provided as an extension method called Select. Map is also a frequently used operation in high level languages such as Perl, Python and Ruby; the operation is called map in all three of these language...