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Identify user in a Bash script called by sudo
...ad of the command whoami use who am i. This runs the who command filtered for the current session. It gives you more info than you need. So, do this to get just the user:
who am i | awk '{print $1}'
Alternatively (and simpler) you can use logname. It does the same thing as the above statemen...
Get selected value of a dropdown's item using jQuery
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For single select dom elements, to get the currently selected value:
$('#dropDownId').val();
To get the currently selected text:
$('#dropDownId :selected').text();
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How to install Android SDK Build Tools on the command line?
...e, use:
android update sdk -u -a -t <package no.>
Where -u stands for --no-ui, -a stands for --all and -t stands for --filter.
If you need to install multiple packages do:
android update sdk -u -a -t 1,2,3,4,..,n
Where 1,2,..,n is the package number listed with the list command above
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Get contentEditable caret index position
... var tempEl = document.createElement("span");
editableDiv.insertBefore(tempEl, editableDiv.firstChild);
var tempRange = range.duplicate();
tempRange.moveToElementText(tempEl);
tempRange.setEndPoint("EndToEnd", range);
caretPos = tempRange.text.length;
}
}...
What's the best way to communicate between view controllers?
...te (per the MVC design pattern). Usually you want to avoid putting state information inside a controller, unless it's strictly "presentation" data.
Second, see page 10 of the Stanford presentation for an example of how to programmatically push a controller onto the navigation controller. For an exa...
phantomjs not waiting for “full” page load
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Another approach is to just ask PhantomJS to wait for a bit after the page has loaded before doing the render, as per the regular rasterize.js example, but with a longer timeout to allow the JavaScript to finish loading additional resources:
page.open(address, function (sta...
Pagination on a list using ng-repeat
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Thank you very much! It is exactly what I was looking for. I saw that example earlier but it didn't work. Now I noticed there is a little syntax error. A bracket is missing after the "for" sentence.
– Tomarto
Jul 20 '12 at 15:49
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Find size of object instance in bytes in c#
For any arbitrary instance (collections of different objects, compositions, single objects, etc)
15 Answers
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Unknown column in 'field list' error on MySQL Update query
I keep getting MySQL error #1054, when trying to perform this update query:
11 Answers
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“query function not defined for Select2 undefined error”
...ed by the select2. Select2 had added new div with class "select2-container form-select" to wrap the select created. So the next time i loaded the function, the error was being thrown as select2 was being attached to the div element. I changed my selector...
Prefix select2 css identifier with speci...