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Adding external library into Qt Creator project

...the extension and without any 'lib' prefix). Of course, if you are including a Windows specific lib, this really doesn't matter. In case you want to store your lib files in the project directory, you can reference them with the $$_PRO_FILE_PWD_ variable, e.g.: LIBS += -L"$$_PRO_FILE_PWD_/3rdparty/...
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Using String Format to show decimal up to 2 places or simple integer

I have got a price field to display which sometimes can be either 100 or 100.99 or 100.9, What I want is to display the price in 2 decimal places only if the decimals are entered for that price , for instance if its 100 so it should only show 100 not 100.00 and if the price is 100.2 it should displa...
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iOS 5 fixed positioning and virtual keyboard

...ottom of the screen via position:fixed. All works fine in iOS 5 (I'm testing on an iPod Touch) until I'm on a page with a form. When I tap into an input field and the virtual keyboard appears, suddenly the fixed position of my div is lost. The div now scrolls with the page as long as the keyboard is...
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sed in-place flag that works both on Mac (BSD) and Linux

Is there an invocation of sed todo in-place editing without backups that works both on Linux and Mac? While the BSD sed shipped with OS X seems to need sed -i '' … , the GNU sed Linux distributions usually come with interprets the quotes as empty input file name (instead of the backup exten...
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Should arrays be used in C++?

...+11, you may need to use C arrays to allocate arrays in the automatic storage (i.e. on the stack). share | improve this answer | follow | ...
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How to prettyprint a JSON file?

... The json module already implements some basic pretty printing with the indent parameter that specifies how many spaces to indent by: >>> import json >>> >>> your_json = '["foo", {"bar":["baz", null, 1.0, 2]}]' >>> parsed = json.loads(your_json) &gt...
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Validation of radio button group using jQuery validation plugin

How to perform validation for a radio button group (one radio button should be selected) using jQuery validation plugin? 8 ...
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Why do stacks typically grow downwards?

...ectures I'm personally familiar with (x86, 6502, etc), the stack typically grows downwards (i.e. every item pushed onto the stack results in a decremented SP, not an incremented one). ...
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ssh: connect to host github.com port 22: Connection timed out

I am under a proxy and I am pushing in to git successfully for quite a while. Now I am not able to push into git all of a sudden. I have set the RSA key and the proxy and double checked them, with no avail and git is throwing me the error shown in the title of the page. ...
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How to check size of a file using Bash?

I've got a script that checks for 0-size, but I thought there must be an easier way to check for file sizes instead. I.e. file.txt is normally 100k; how to make a script check if it is less than 90k (including 0), and make it do wget a new copy because the file is corrupt in this case. ...