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How do I detect “shift+enter” and generate a new line in Textarea?

...ndToStart', re); return rc.text.length; } return 0; } And then replacing the textarea value accordingly when Shift + Enter together , submit the form if Enter is pressed alone. $('textarea').keyup(function (event) { if (event.keyCode == 13) { var content = this.val...
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Use JavaScript to place cursor at end of text in text input element

What is the best way (and I presume simplest way) to place the cursor at the end of the text in a input text element via JavaScript - after focus has been set to the element? ...
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What's the difference between => , ()=>, and Unit=>

I'm trying to represent a function that takes no arguments and returns no value (I'm simulating the setTimeout function in JavaScript, if you must know.) ...
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Android global variable

... You can extend the base android.app.Application class and add member variables like so: public class MyApplication extends Application { private String someVariable; public String getSomeVariable() { return someVariable; } ...
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How to center icon and text in a android button with width set to “fill parent”

I want to have an Android Button with icon+text centered inside it. I'm using the drawableLeft attribute to set the image, this works well if the button has a width of "wrap_content" but I need to stretch to max width so I use width "fill_parent" . This moves my icon straight to the left of the b...
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Checking whether a variable is an integer or not [duplicate]

...orphism: you should allow any object that behaves like an int, instead of mandating that it be one. BUT The classical Python mentality, though, is that it's easier to ask forgiveness than permission. In other words, don't check whether x is an integer; assume that it is and catch the exception resul...
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How to compare two NSDates: Which is more recent?

I am trying to achieve a dropBox sync and need to compare the dates of two files. One is on my dropBox account and one is on my iPhone. ...
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Is it possible to send a variable number of arguments to a JavaScript function?

...og(arg)) } const values = ['a', 'b', 'c'] func(...values) func(1, 2, 3) And you can combine it with normal parameters, for example if you want to receive the first two arguments separately and the rest as an array: function func(first, second, ...theRest) { //... } And maybe is useful to you...
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How to initialise memory with new operator in C++?

I'm just beginning to get into C++ and I want to pick up some good habits. If I have just allocated an array of type int with the new operator, how can I initialise them all to 0 without looping through them all myself? Should I just use memset ? Is there a “C++” way to do it? ...
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How can I read command line parameters from an R script?

I've got a R script for which I'd like to be able to supply several command-line parameters (rather than hardcode parameter values in the code itself). The script runs on Windows. ...