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Simple Vim commands you wish you'd known earlier [closed]
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Wow. Your absolutely right. When I was typing out the guide I guess my eye only seen the tilde and glossed over the back tick. I will update accordingly. Thanks for the heads up.
– brian newman
Aug 20 '09 at 12:45
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What's the best way to put a c-struct in an NSArray?
...lization.html, as well as Apple's "Archives and Serializations Programming Guide".
– justin
Dec 29 '10 at 9:36
assumin...
What is the rationale for all comparisons returning false for IEEE754 NaN values?
.... The 754 committee has to decide to bend or break some of them. This is guided by some pretty simple principles:
When we can, we match the behavior of real arithmetic.
When we can't, we try to make the violations as predictable and as easy to diagnose as possible.
Regarding your comment "that...
Differences between lodash and underscore [closed]
...cting a list of usage differences between underscore and lodash, there's a guide for migrating from underscore to lodash.
Here's the current state of it for posterity:
Underscore _.any is Lodash _.some
Underscore _.all is Lodash _.every
Underscore _.compose is Lodash _.flowRight
Unders...
Implementing Comments and Likes in database
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Entity-relationship term for this is "category" (see the ERwin Methods Guide, section: "Subtype Relationships"). The category symbol is:
Assuming a user can like multiple entities, a same tag can be used for more than one entity but a comment is entity-specific, your model could look like thi...
When is CRC more appropriate to use than MD5/SHA1?
...or CRC information on implementation, speed and reliability see A painless guide to CRC error detection algorithms. It has everything on CRCs.
Unless somebody is going to try and modify your data maliciously and hide the change CRC is sufficient. Just use a "Good" (standard) polinomial.
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Force browser to clear cache
...r manually reloading the page.
This is a code example from the Beginner's Guide to Using the Application Cache on HTML5 Rocks explaining how to update users to the newest version of your site:
// Check if a new cache is available on page load.
window.addEventListener('load', function(e) {
windo...
How to use sed to replace only the first occurrence in a file?
...rate. The detail can be found here (linuxtopia.org/online_books/linux_tool_guides/the_sed_faq/…). Andy's answer only works for GNU sed, but not the one on Mac.
– Landys
Apr 11 '15 at 13:53
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How do I inject a controller into another controller in AngularJS
... var testCtrl1ViewModel = $rootScope.$new();? refer to: docs.angularjs.org/guide/controller @PSL
– leonsPAPA
Nov 26 '15 at 21:39
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Generate an integer that is not among four billion given ones
... likely to be unique in O(1) time. A pseudo-random 128-bit integer like a GUID will only collide with one of the existing four billion integers in the set in less than one out of every 64 billion billion billion cases.
If integers are limited to 32 bits then one can generate a number that is likel...