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Portable way to get file size (in bytes) in shell?
...wn program (really small) to display just the size. More information here: http://fwhacking.blogspot.com/2011/03/bfsize-print-file-size-in-bytes-and.html
The two most clean ways in my opinion with common Linux tools are:
$ stat -c %s /usr/bin/stat
50000
$ wc -c < /usr/bin/wc
36912
But I just...
Turning off auto indent when pasting text into vim
I am making the effort to learn Vim.
24 Answers
24
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How to show a GUI message box from a bash script in linux?
...enity, there seem to be many others. A mixed up but interesting list is at http://alternativeto.net/software/zenity/
First, an example of zenity featuring text formatting markup, window title, button label.
zenity \
--info \
--text="<span size=\"xx-large\">Time is $(date +%Hh%M).</span>...
PostgreSQL: How to pass parameters from command line?
I have a somewhat detailed query in a script that uses ? placeholders. I wanted to test this same query directly from the psql command line (outside the script). I want to avoid going in and replacing all the ? with actual values, instead I'd like to pass the arguments after the query.
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Check if object is a jQuery object
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You may also use the .jquery property as described here: http://api.jquery.com/jquery-2/
var a = { what: "A regular JS object" },
b = $('body');
if ( a.jquery ) { // falsy, since it's undefined
alert(' a is a jQuery object! ');
}
if ( b.jquery ) { // truthy, since it's a...
Return a “NULL” object if search result not found
I'm pretty new to C++ so I tend to design with a lot of Java-isms while I'm learning. Anyway, in Java, if I had class with a 'search' method that would return an object T from a Collection< T > that matched a specific parameter, I would return that object and if the object was not found in...
What's the difference between assignment operator and copy constructor?
I don't understand the difference between assignment constructor and copy constructor in C++. It is like this:
8 Answers
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How do I create a multiline Python string with inline variables?
I am looking for a clean way to use variables within a multiline Python string. Say I wanted to do the following:
7 Answers...
Xcode can only refactor C and Objective-C code. How to rename swift class name in Xcode 6?
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Unfortunately, Apple hasn't gotten around to implementing it yet.
See http://www.quora.com/Why-isnt-there-a-refactoring-feature-for-Swift-language-in-Xcode-6 for more information.
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Aren't Python strings immutable? Then why does a + “ ” + b work?
My understanding was that Python strings are immutable.
22 Answers
22
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