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Dealing with float precision in Javascript [duplicate]
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From this post: How to deal with floating point number precision in JavaScript?
You have a few options:
Use a special datatype for decimals, like decimal.js
Format your result to some fixed number of significant digits, like this:
(Math.floor(y/x) * x...
I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
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There are plenty of options, I recommend not to add additional dependencies and use SecureRandom which is builtin:
SecureRandom.uuid #=> "1ca71cd6-08c4-4855-9381-2f41aeffe59c"
See other possible formats here.
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How to implement an abstract class in ruby?
I know there is no concept of abstract class in ruby. But if at all it needs to be implemented, how to go about it? I tried something like...
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How to get ELMAH to work with ASP.NET MVC [HandleError] attribute?
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You can subclass HandleErrorAttribute and override its OnException member (no need to copy) so that it logs the exception with ELMAH and only if the base implementation handles it. The minimal amount of code you need is as follows:
using System.Web.Mvc;
using Elmah;
public ...
Recursively remove files
...m -rf
find . -name "._*" -print0 | xargs -0 rm -rf
Not tested, try them without the xargs first!
You could replace the period after find, with the directory, instead of changing to the directory first.
find /dir/here ...
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What is the difference between attribute and property? [closed]
...ibutes (that being the term used in XML for the key/value pairs contained within a tag) but when represented as a JavaScript object those attributes appear as object properties.
To further confuse things, changes to the properties will typically update the attributes.
For example, changing the el...
setTimeout / clearTimeout problems
I try to make a page to go to the startpage after eg. 10sec of inactivity (user not clicking anywhere). I use jQuery for the rest but the set/clear in my test function are pure javascript.
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Auto reloading python Flask app upon code changes
I'm investigating how to develop a decent web app with Python. Since I don't want some high-order structures to get in my way, my choice fell on the lightweight Flask framework . Time will tell if this was the right choice.
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Open a URL in a new tab (and not a new window)
... an author can do can choose to open in a new tab instead of a new window; it is a user preference. (Note that the default user preference in most browsers is for new tabs, so a trivial test on a browser where that preference hasn't been changed will not demonstrate this.)
CSS3 proposed target-new,...
Force SSL/https using .htaccess and mod_rewrite
How can I force to SSL/https using .htaccess and mod_rewrite page specific in PHP.
9 Answers
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