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Safe (bounds-checked) array lookup in Swift, through optional bindings?
...oth levels)
does not lead to problems for Sets
concise code
Here are some tests I ran for you:
let itms: [Int?] = [0, nil]
let a = itms[safe: 0] // 0 : Int??
a ?? 5 // 0 : Int?
let b = itms[safe: 1] // nil : Int??
b ?? 5 // nil : Int? (`b` contains a value and that value is `nil`)
let c = itms[safe...
Get current batchfile directory
...contents
set mypath=%cd%
@echo %mypath%
Pause
run from the directory g:\test\bat will echo that path in the DOS command window.
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Why exactly is eval evil?
...ike it's the right thing to do, then do it. Document the Hell out of it. Test the Hell out of it. Double-check correctness and security over and over and over again. But do it.
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Can JavaScript connect with MySQL?
...ee and very interesting course about Chrome Developer tools to help you to test the client-side.
Codecademy: With free courses about HTML, CSS, JavaScript, jQuery, and PHP that you can follow with online examples.
10gen Education: With everything you need to know about MongoDB in tutorials for diffe...
What is the meaning of erb?
...e files which include many repetitions of a standard pattern, such as unit test suites.
The main component of ERB is a library which you can call within your Ruby applications and Rake tasks. This library accepts any string as a template, and imposes no limitations on the source of the template. You...
How to identify platform/compiler from preprocessor macros?
...cy (perhaps a little pedantic) : the first #if ask if defined, the others test for value. If would be more consistent to do #elif defined(__unix__) , etc, I think.
– leonbloy
Jan 26 '16 at 22:36
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Finding local maxima/minima with Numpy in a 1D numpy array
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if the input is test02=np.array([10,4,4,4,5,6,7,6]), then it does not work. It does not recognize the consecutive values as local minima.
– Leos313
Nov 24 '18 at 22:14
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Why can't I use a list as a dict key in python?
...std. dev. of 7 runs, 10000000 loops each)
As you can see, the membership test in our stupidlists_set is even slower than a linear scan over the whole lists_list, while you have the expected super fast lookup time (factor 500) in a set without loads of hash collisions.
TL; DR: you can use tuple(...
How is TeamViewer so fast?
...but there appear to be no one else online in the other rooms. I'll have to test with another computer later. Many thanks!
– Jason
Dec 8 '12 at 23:19
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Override intranet compatibility mode IE8
...IE=9,10" ></meta>
Notice: give a list of browser modes you have tested for.
The blog post also advices against the use of EmulateIEX. Here a quote:
That being said, one thing I do find strange is when an application
requests EmulateIE7, or EmulateIE8. These emulate modes are themse...