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How can I build a small operating system on an old desktop computer? [closed]
... know writing an operating system is unbearably complicated (especially by oneself).
20 Answers
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How to add 'ON DELETE CASCADE' in ALTER TABLE statement
I have a foreign key constraint in my table, I want to add ON DELETE CASCADE to it.
9 Answers
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How to prune local tracking branches that do not exist on remote anymore
...th git remote prune origin I can remove the local branches that are not on the remote any more.
31 Answers
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AES Encryption for an NSString on the iPhone
Can anybody point me in the right direction to be able to encrypt a string, returning another string with the encrypted data? (I've been trying with AES256 encryption.) I want to write a method which takes two NSString instances, one being the message to encrypt and the other being a 'passcode' to e...
How to dismiss a Twitter Bootstrap popover by clicking outside?
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Update: A slightly more robust solution: http://jsfiddle.net/mattdlockyer/C5GBU/72/
For buttons containing text only:
$('body').on('click', function (e) {
//did not click a popover toggle or popover
if ($(e.target).data('toggle') !== 'popover'
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How and when to use ‘async’ and ‘await’
From my understanding one of the main things that async and await do is to make code easy to write and read - but is using them equal to spawning background threads to perform long duration logic?
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How to execute AngularJS controller function on page load?
...an Angular.js page that allows searching and displays results. User clicks on a search result, then clicks back button. I want the search results to be displayed again but I can't work out how to trigger the search to execute. Here's the detail:
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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
...eature where INSERT is skipped if it would violate a primary/unique key constraint. For instance, MySQL has INSERT IGNORE .
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How to detect page zoom level in all modern browsers?
I need this because some of my calculations are pixel-based and they may fluctuate when zoomed.
28 Answers
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Why is lock(this) {…} bad?
The MSDN documentation says that
16 Answers
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