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How to check for an active Internet connection on iOS or macOS?

... print("Reachable via Cellular") } } reachability.whenUnreachable = { _ in print("Not reachable") } do { try reachability.startNotifier() } catch { print("Unable to start notifier") } Objective-C 1) Add SystemConfiguration framework to the project but don't worry about includi...
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Set a default parameter value for a JavaScript function

...S2015, default parameters are in the language specification. function read_file(file, delete_after = false) { // Code } just works. Reference: Default Parameters - MDN Default function parameters allow formal parameters to be initialized with default values if no value or undefined is pass...
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Twig: in_array or similar possible within if statement?

...to change the second line of your second code-block from {% if myVar is in_array(array_keys(someOtherArray)) %} to {% if myVar in someOtherArray|keys %} in is the containment-operator and keys a filter that returns an arrays keys. ...
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Callback on CSS transition

...EventNames[name] } } } return false // explicit for ie8 ( ._.) } // http://blog.alexmaccaw.com/css-transitions $.fn.emulateTransitionEnd = function (duration) { var called = false, $el = this $(this).one($.support.transition.end, function () { called = true }) var ...
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In Rails, how do you render JSON using a view?

... You should be able to do something like this in your respond_to block: respond_to do |format| format.json render :partial => "users/show.json" end which will render the template in app/views/users/_show.json.erb. ...
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Skip Git commit hooks

...k folder elsewhere, and setup a post-merge hook (git-scm.com/docs/githooks#_post_merge) which will detect if the pull affect the repo hook folder, and will propose to copy its content to your local hook folder (outside of the repo): that way, you can at least control if you want your hooks overridde...
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How do I select an element in jQuery by using a variable for the ID?

... row = $("body").find('#' + row_id); More importantly doing the additional body.find has no impact on performance. The proper way to do this is simply: row = $('#' + row_id); s...
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JQuery to load Javascript file dynamically

...alls to 'Add Comment') so the code might look something like this: $('#add_comment').click(function() { if(typeof TinyMCE == "undefined") { $.getScript('tinymce.js', function() { TinyMCE.init(); }); } }); Assuming you only have to call init on it once, that is....
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What is the difference between `-fpic` and `-fPIC` gcc parameters?

... What's more: I did a little experiment here (on x86_64 platform), -fPIC and -fpic appears to have generated the same code. It seems they generate a different code only on m68k, PowerPC and SPARC. – Denilson Sá Maia Jan 25 '11 at 11:49 ...
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How to check if an intent can be handled from some activity?

...t } Have you tried this intent? Intent intent = new Intent(Intent.ACTION_VIEW, Uri.fromFile(yourFileHere)); share | improve this answer | follow | ...