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What is the purpose of willSet and didSet in Swift?
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Excerpt From: Apple Inc. “The Swift Programming Language.” iBooks. https://itun.es/ca/jEUH0.l
I suspect it's to allow for things we would traditionally do with KVO such as data binding with UI elements, or triggering side effects of changing a property, triggering a sync process, background...
Static Vs. Dynamic Binding in Java
...phism and not method-hiding.
i found the below link to support my answer:
https://youtu.be/tNgZpn7AeP0
Measuring execution time of a function in C++
...in which he explains why.
Also there is a very good library from google - https://github.com/google/benchmark.
This library is very simple to use and powerful. You can checkout some lectures of Chandler Carruth on youtube where he is using this library in practice. For example CppCon 2017: Chandler...
How to get RelativeLayout working with merge and include?
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There is an issue with the include tag. Check: https://issuetracker.google.com/issues/36908001
To fix it, make sure you overwrite BOTH layout_width and layout_height when including, otherwise everything will be ignored.
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Difference between volatile and synchronized in Java
...zed with respect to memory visibility and instruction ordering (see http://www.cs.umd.edu/users/pugh/java/memoryModel/jsr-133-faq.html#volatile). For the purposes of visibility, each access to a volatile field acts like half a synchronization.
Under the new memory model, it is still true that v...
How to check whether a script is running under Node.js?
...ion:
function (exports, require, module, __filename, __dirname) {
See: https://github.com/ry/node/blob/master/src/node.js#L325
But don't try to detect that via some crazy arguments.callee.toString() stuff, instead just use my example code above which checks for the Browser. Node.js is a way cle...
How do you automate Javascript minification for your Java web applications?
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I think one of the best and right tool for the job is wro4j Check out https://github.com/wro4j/wro4j
It does everything you need:
Keep project web resources (js & css) well organized
Merge & minify them at run-time (using a simple filter) or build-time (using maven plugin)
Free and o...
When is JavaScript's eval() not evil?
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Well, use HTTPS, then. OTOH: man-in-the-middle is not the typical attack scenario for the garden variety web app, whereas i.e. cross-site-scripting is.
– Tomalak
Dec 15 '09 at 18:50
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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
... like = and =~.
In Bashese: [ is a built-in command, and [[ is a keyword: https://askubuntu.com/questions/445749/whats-the-difference-between-shell-builtin-and-shell-keyword
<
[[ a < b ]]: lexicographical comparison
[ a \< b ]: Same as above. \ required or else does redirection like for...
Can JavaScript connect with MySQL?
...er-side, as with Node.js.
Node.js can access MySQL through something like https://github.com/sidorares/node-mysql2
You might also develop something using Socket.IO
Did you mean to ask whether a client-side JS app can access MySQL? I am not sure if such libraries exist, but they are possible.
EDI...