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Hiding user input on terminal in Linux script
...ce key is often mapped to the delete character (0x7f in ASCII or Unicode)" https://en.wikipedia.org/wiki/Backspace
\b \b is needed to give the appearance of deleting the character to the left; just using \b moves the cursor to the left, but leaves the character intact (nondestructive backspace). By ...
filters on ng-model in an input
...l up one level as part of a custom class with its own validation methods.
https://plnkr.co/edit/gUnUjs0qHQwkq2vPZlpO?p=preview
html
<div>
<label for="a">input a</label>
<input
ng-class="{'is-valid': vm.store.a.isValid == true, 'is-invalid': vm.store.a.isValid == fal...
Is there an easy way to pickle a python function (or otherwise serialize its code)?
...pip install cloud) can pickle arbitrary code, including dependencies. See https://stackoverflow.com/a/16891169/1264797.
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JavaScript hide/show element
...tever else that it will be forced into.
Lends itself to typos.
Example: https://jsfiddle.net/4chd6e5r/1/
.
Changing display using addClass()/removeClass()
While setting up the examp
Connecting overloaded signals and slots in Qt 5
...verloading problem is clearly stated in the docs themselves. For instance, https://doc.qt.io/qt-5/qspinbox.html#valueChanged-1 says
Note: Signal valueChanged is overloaded in this class. To connect to this signal by using the function pointer syntax, Qt provides a convenient helper for obtaining...
How do getters and setters work?
...is->$property = $value;
}
return $this;
}
}
?>
citings:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/get
http://tweener.ivank.net/
Getter and Setter?
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Copy array items into another array
...is trick can fail. For such arrays, using a loop is a better approach. See https://stackoverflow.com/a/17368101/96100 for details.
var newArray = [];
newArray.push.apply(newArray, dataArray1);
newArray.push.apply(newArray, dataArray2);
You might want to generalize this into a function:
function ...
jQuery Validation plugin: disable validation for specified submit buttons
...efault value:
$("form").validate().settings.ignore = ":hidden";
Source: https://github.com/jzaefferer/jquery-validation/issues/725#issuecomment-17601443
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How to send SMS in Java
...ol communication such as automatically enquire
link request-response.
https://code.google.com/p/jsmpp/
I've tried some other APIs such as Ozeki, but most of them either is commercial or has limitation in its throughput (i.e can't send more than 3 SMS messages in a second, for example).
...
Create an empty object in JavaScript with {} or new Object()?
...n var arr = []; arr[x-1] = undefined;
For benchmarks click the following: https://jsfiddle.net/basickarl/ktbbry5b/
I do not however know the memory footprint of both, I can imagine that new Array() takes up more space.