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How to add a border just on the top side of a UIView
...ur subclass too, you can apply it to anything and everything that inherits from UIView - reusable in your project, and any others. Pass in other arguments to your methods to define other colours and widths. Many options.
sha...
How to format a DateTime in PowerShell
...-Date $date -Format "yyyMMdd") results in an object type that is different from a datetime object. Try playing around with this $dateStr = [datetime](Get-Date $date -Format "yyyMMdd") You'll see the difference right away.
– Jamie Marshall
Sep 7 '17 at 20:03
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How to check if a folder exists
...
Generate a file from the string of your folder directory
String path="Folder directory";
File file = new File(path);
and use method exist.
If you want to generate the folder you sould use mkdir()
if (!file.exists()) {
Sy...
How do I wait for an asynchronously dispatched block to finish?
...e synchronously. Worse I've seen many of them use this semaphore technique from the main queue (and we should never block the main queue in production apps).
I know this isn't the case here (when this question was posted, there wasn't a nice tool like XCTestExpectation; also, in these testing suite...
Casperjs/PhantomJs vs Selenium
...rrently writing a web extraction framework. I have 524 tests that get data from 250 websites using XPath. Initially the framework used a HTML parser, HTMLCleaner, but I am currently investigating using Selenium because I want Javascript support. I have run the tests against the HtmlUnit, Chrome, Fir...
node.js global variables?
...)
or more usefully...
GLOBAL.window = GLOBAL; // like in the browser
From the node source, you can see that these are aliased to each other:
node-v0.6.6/src/node.js:
28: global = this;
128: global.GLOBAL = global;
In the code above, "this" is the global context. With the commonJS mo...
foldl versus foldr behavior with infinite lists
...rk backwards computing each application of f.
This is obviously a far cry from the efficient tail-recursion most functional programmers know and love!
In fact, even though foldl is technically tail-recursive, because the entire result expression is built before evaluating anything, foldl can cause...
Inline SVG in CSS
...imple url-encoding function.
A string replacement function can be created from the built-in str-slice, str-index functions (see css-tricks, thanks to Hugo Giraudel).
Then, just replace %,<,>,",', with the %xxcodes:
@function svg-inline($string){
$result: str-replace($string, "<svg", "&...
“X-UA-Compatible” content=“IE=9; IE=8; IE=7; IE=EDGE”
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Why is extending native objects a bad practice?
...an empty accumulator and how to concatenate elements with this accumulator from the elements of the Array itself.
Please note that I could have used the normal Map type, since weak references doesn't makes sense when they merely represent built-in prototypes, which are never garbage collected. Howe...