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C++ Tuple vs Struct
...nchmark code and performance results collected using gcc-4.9.2 and clang-4.0.0:
std::vector<StructData> test_struct_data(const size_t N) {
std::vector<StructData> data(N);
std::transform(data.begin(), data.end(), data.begin(), [N](auto item) {
std::random_device rd;
...
Changing three.js background to transparent or other color
...ually a javascript issue. You currently have:
renderer.setClearColorHex( 0x000000, 1 );
in your threejs init function. Change it to:
renderer.setClearColorHex( 0xffffff, 1 );
Update: Thanks to HdN8 for the updated solution:
renderer.setClearColor( 0xffffff, 0);
Update #2: As pointed out by...
Obtain Bundle Identifier programmatically
...2
let bundleIdentifier = NSBundle.mainBundle().bundleIdentifier
Swift 3.0
let bundleIdentifier = Bundle.main.bundleIdentifier
Xamarin.iOS
var bundleIdentifier = NSBundle.MainBundle.BundleIdentifier
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In Python, what is the difference between “.append()” and “+= []”?
...ase the only difference is performance: append is twice as fast.
Python 3.0 (r30:67507, Dec 3 2008, 20:14:27) [MSC v.1500 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import timeit
>>> timeit.Timer('s.append("something")', 's...
Javascript Functions and default parameters, not working in IE and Chrome
...
jucojuco
6,08133 gold badges2222 silver badges4040 bronze badges
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Why use Ruby's attr_accessor, attr_reader and attr_writer?
...
750
You may use the different accessors to communicate your intent to someone reading your code, and...
Python int to binary string?
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800
Python's string format method can take a format spec.
>>> "{0:b}".format(37)
'100101...
How to unset max-height?
...
Reset it to none:
pre {
max-height: 250px;
}
pre.doNotLimitHeight {
max-height: none;
}
Reference
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Android Studio rendering problems
I'm using Android Studio 0.2.3 and when opened an activity layout normally, the preview should appear on the right side, so that I can switch between Text and Design mode, which should again show the preview of the layout.
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