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What is the best way to compare floats for almost-equality in Python?
It's well known that comparing floats for equality is a little fiddly due to rounding and precision issues.
15 Answers
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How to add ID property to Html.BeginForm() in asp.net mvc?
I want to validate my form using jquery but it doesn't have an ID property as of now how to add it to the form in asp.net mvc? I am using this...
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How to improve performance of ngRepeat over a huge dataset (angular.js)?
...ch, about 2MBs of data. I need to display it in the browser. Most straightforward approach (fetch data, put it into $scope , let ng-repeat="" do its job) works fine, but it freezes the browser for about half of a minute when it starts inserting nodes into DOM. How should I approach this problem?
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Find the extension of a filename in Ruby
I'm working on the file upload portion of a Rails app. Different types of files are handled differently by the app.
4 Answ...
Creating an instance of class
...1 */ Foo* foo1 = new Foo ();
Creates an object of type Foo in dynamic memory. foo1 points to it. Normally, you wouldn't use raw pointers in C++, but rather a smart pointer. If Foo was a POD-type, this would perform value-initialization (it doesn't apply here).
/* 2 */ Foo* foo2 = new Foo;
Id...
Why does intellisense and code suggestion stop working when Visual Studio is open?
...ing issues with Intellisense in Microsoft Visual Studio 2012 . I will be working in a project, editing code and whatnot (after a period of time, anywhere from 5 minutes to over an hour) and all of a sudden, no more code suggestions or intellisense. Both seem to stop working completely at the same ...
How to make Eclipse behave well in the Windows 7 taskbar?
...separate lines
Anything after the "vmargs" is taken to be vm arguments
(More info)
Or alternatively add the java bin folder to your Windows PATH before the "windows32" folder, because otherwise eclipse uses "javaw.exe" in the win32 folder instead of the JDK one.
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'Best' practice for restful POST response
...eturning the whole object when it is created would be a bad practice in a normal use case. This would be useful at least to get the ID easily and to get the timestamps when relevant.
This is actually the default behavior got when scaffolding with Rails.
I really do not see any advantage to returnin...
Python Selenium accessing HTML source
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You need to access the page_source property:
from selenium import webdriver
browser = webdriver.Firefox()
browser.get("http://example.com")
html_source = browser.page_source
if "whatever" in html_source:
# do something
else:
# do something else
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When to use lambda, when to use Proc.new?
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Another important but subtle difference between procs created with lambda and procs created with Proc.new is how they handle the return statement:
In a lambda-created proc, the return statement returns only from the proc itself
In a P...