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Type definition in object literal in TypeScript
....7
state.instance && state.instance.fun();
// Or the long winded way because the above just feels weird
if (state.instance) { state.instance.fun(); }
// Or the I came from C and can't check for nulls like they are booleans way
if (state.instance != null) { state.instanc...
How can I apply a function to every row/column of a matrix in MATLAB?
...an edit to sum(M, 1). Beginners might think sum can be used this way for arbitrary sized matrices and then get stumped when the matrix one day is 1-by-n.
– Stewie Griffin
Aug 10 '16 at 11:57
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What are type lambdas in Scala and what are their benefits?
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Type lambdas are vital quite a bit of the time when you are working with higher-kinded types.
Consider a simple example of defining a monad for the right projection of Either[A, B]. The monad typeclass looks like this:
trait Monad[M[_]] {
def point[A](...
How to download/checkout a project from Google Code in Windows?
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If you install TortoiseSVN you can use SVN under windows. It also gives you the SVN binaries. You needn't do the checkout from the command-line though as it integrates into Windows Explorer for you.
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Should image size be defined in the img tag height/width attributes or in CSS? [duplicate]
...ode.
.my_images img {width: 20px; height:20px}
In the long term CSS may win out due to HTML attribute deprecation and more likely due to the growth of vector image formats like SVG where it can actually make sense to scale images using non-pixel based units like % or em.
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Should an Enum start with a 0 or a 1?
Imagine I have defined the following Enum:
14 Answers
14
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How do you use https / SSL on localhost?
... port ; port 443?
– The Red Pea
May 10 '19 at 1:36
1
@TheRedPea In every case I have encountered ...
How to add spacing between UITableViewCell
... This works great. I had to change the cellForRowAtIndexPath a bit, not the normal array[indexPath.row] but array[indexPath.section]. Otherwise it will show the first item of the array in all the sections.
– Tom Spee
Oct 30 '15 at 10:03
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My attempt at value initialization is interpreted as a function declaration, and why doesn't A a(())
...8/string:53:0,
from <stdin>:1:
/usr/include/c++/4.8/bits/basic_string.tcc:212:5: error: initializing argument 1 of ‘std::basic_string<_CharT, _Traits, _Alloc>::basic_string(const _CharT*, const _Alloc&) [with _CharT = char; _Traits = std::char_traits<char>;...
Mockito + PowerMock LinkageError while mocking system class
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This may be a bit of an old topic, but I have also ran into this problem. Turns out that some of the java versions cannot handle powermockito when powermock finds out there are 2 classes with the same name in the same package (over differe...