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Get the index of the object inside an array, matching a condition
...s of 2016, you're supposed to use Array.findIndex (an ES2015/ES6 standard) for this:
a = [
{prop1:"abc",prop2:"qwe"},
{prop1:"bnmb",prop2:"yutu"},
{prop1:"zxvz",prop2:"qwrq"}];
index = a.findIndex(x => x.prop2 ==="yutu");
console.log(index);
It's supported in Google...
How to get the last char of a string in PHP?
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substr("testers", -1); // returns "s"
Or, for multibytes strings :
substr("multibyte string…", -1); // returns "…"
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Tainted canvases may not be exported
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For security reasons, your local drive is declared to be "other-domain" and will taint the canvas.
(That's because your most sensitive info is likely on your local drive!).
While testing try these workarounds:
Put all pag...
PHP Array to CSV
...aking a file on your server, so you'll need to read that file's contents before outputting it, also if you don't want to save a copy then you'll need to ùnlink`the file when you are done.
– Martin Lyne
Oct 28 '12 at 10:50
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How to do 3 table JOIN in UPDATE query?
... JOIN TABLE_C c ON [condition]
SET a.column_c = a.column_c + 1
EDIT:
For general Update join :
UPDATE TABLEA a
JOIN TABLEB b ON a.join_colA = b.join_colB
SET a.columnToUpdate = [something]
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Volley Android Networking Library
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$ git clone https://android.googlesource.com/platform/frameworks/volley
$ cd volley
$ android update project -p .
$ ant jar
Then, copy bin/volley.jar into your libs/ folder and off you go!
source
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iOS - forward all touches through a view
... behavior of other views underneath, which are scrollviews, etc. How can I forward all the touches through this overlay view? It is a subcalss of UIView.
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How can I know which radio button is selected via jQuery?
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To get the value of the selected radioName item of a form with id myForm:
$('input[name=radioName]:checked', '#myForm').val()
Here's an example:
$('#myForm input').on('change', function() {
alert($('input[name=radioName]:checked', '#myForm').val());
});
<scrip...
How do you get a string to a character array in JavaScript?
..., "�", "�", "u"] which can lead to dangerous
bugs. See answers below for safe alternatives.
Just split it by an empty string.
var output = "Hello world!".split('');
console.log(output);
See the String.prototype.split() MDN docs.
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Defining a variable with or without export
What is export for?
14 Answers
14
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