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How to force a view refresh without having it trigger automatically from an observable?
...7397%2fhow-to-force-a-view-refresh-without-having-it-trigger-automatically-from-an-obse%23new-answer', 'question_page');
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Convert Data URI to File then append to FormData
...t works with WebKit browsers. Part of the task is to extract an image file from the canvas object and append it to a FormData object for upload.
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getActivity() returns null in Fragment function
...s. The onAttach call is where the Fragment is attached to its activity and from this point getActivity() will return non-null (nb there is also an onDetach() call).
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.rar, .zip files MIME Type
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The answers from freedompeace, Kiyarash and Sam Vloeberghs:
.rar application/x-rar-compressed, application/octet-stream
.zip application/zip, application/octet-stream, application/x-zip-compressed, multipart/x-zip
I would do a c...
Copy array by value
...rray();
const objectPrototype = new Object(); // or `new function () {}`
From these elements we can create three types of arrays.
// 1) Array of literal-values (boolean, number, string)
const type1 = [true, 1, "true"];
// 2) Array of literal-structures (array, object)
const type2 = [[], {}];
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Is there a way to automatically build the package.json file for Node.js projects
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After running npm init in the Package Manager Console from Visual Studio 2015, it just displays [...] Press ^C at any time to quit. and stops without asking anything or creating the json file. Am I missing something?
– Michael Hilus
Sep 4 '...
Preview an image before it is uploaded
.... The most efficient way would be to use URL.createObjectURL() on the File from your <input>. Pass this URL to img.src to tell the browser to load the provided image.
Here's an example:
<input type="file" accept="image/*" onchange="loadFile(event)">
<img id="output"/>
<...
How to secure database passwords in PHP?
...prefer using a database account that is only allowed to acces the database from the web server. And then I don't bother encrypting the configuration, I just store it outside the web root.
– gnud
Apr 25 '09 at 8:01
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How to parse a CSV file in Bash?
I'm working on a long Bash script. I want to read cells from a CSV file into Bash variables. I can parse lines and the first column, but not any other column. Here's my code so far:
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How do you convert Html to plain text?
... if the parsing lib is confused or not. All you need to do is take the DOM from it (any DOM at all) and output only whitelisted components. This is always safe, itdoes not matter what the parsed DOM looks like. Also, I told you multiple examples where your "simple" method will fail to remove tags.
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