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Convert text into number in MySQL query

Is it possible to convert text into number within MySQL query? I have a column with an identifier that consists a name and a number in the format of "name-number". The column has VARCHAR type. I want to sort the rows according the number (rows with the same name) but the column is sorted according d...
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Android: how to draw a border to a LinearLayout

I have three files. The XML, the draw function and the main Activity. I have some LinearLayout in my XML file. 2 Answers ...
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How to make a phone call programmatically?

I'm passing to an activity the number to call by a bundle 10 Answers 10 ...
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Sublime - delete all lines containing specific value

I have a 900mb log file which I can open in SublimeText 3. This file is bloated with lines similar to the following. 7 Answ...
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How to output git log with the first line only?

I am trying to customize the format for git log . I want all commits to be shown in one line. Each line should only show the first line of the commit message. I found out that git log --pretty=short should do the trick but on my computer it shows the full log as git log does (besides the ti...
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Mixing a PHP variable with a string literal

Say I have a variable $test and it's defined as: $test = 'cheese' 4 Answers 4 ...
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Run php script as daemon process

I need to run a php script as daemon process (wait for instructions and do stuff). cron job will not do it for me because actions need to be taken as soon as instruction arrives. I know PHP is not really the best option for daemon processes due to memory management issues, but due to various reasons...
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How to make the 'cut' command treat same sequental delimiters as one?

I'm trying to extract a certain (the fourth) field from the column-based, 'space'-adjusted text stream. I'm trying to use the cut command in the following manner: ...
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Quick unix command to display specific lines in the middle of a file?

Trying to debug an issue with a server and my only log file is a 20GB log file (with no timestamps even! Why do people use System.out.println() as logging? In production?!) ...
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How to make script execution wait until jquery is loaded

I am having a problem where the page is loading so fast, that jquery hasn't finished loading before it is being called by a subsequent script. Is there a way to check for the existence of jquery and if it doesn't exist, wait for a moment and then try again? ...