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Is there a perfect algorithm for chess? [closed]
...person on the possibilities of chess computers. I'm not well versed in theory, but think I know enough.
27 Answers
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How to determine SSL cert expiration date from a PEM encoded certificate?
If I have the actual file and a Bash shell in Mac or Linux, how can I query the cert file for when it will expire? Not a web site, but actually the certificate file itself, assuming I have the csr, key, pem and chain files.
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Check if page gets reloaded or refreshed in JavaScript
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⚠️⚠️⚠️ window.performance.navigation.type is deprecated, pls see Илья Зеленько's answer
A better way to know that the page is actually reloaded is to use the navigator object that is supported by most modern browsers.
It uses the ...
Saving an Object (Data persistence)
...ndard library.
Here's an elementary application of it to your example:
import pickle
class Company(object):
def __init__(self, name, value):
self.name = name
self.value = value
with open('company_data.pkl', 'wb') as output:
company1 = Company('banana', 40)
pickle.dump(...
Padding or margin value in pixels as integer using jQuery
jQuery has height() en width() functions that returns the height or width in pixels as integer...
14 Answers
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Java concurrency: Countdown latch vs Cyclic barrier
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One major difference is that CyclicBarrier takes an (optional) Runnable task which is run once the common barrier condition is met.
It also allows you to get the number of clients waiting at the barrier and the number required to...
The type or namespace name does not exist in the namespace 'System.Web.Mvc'
Buiding MVC3 solution went well but have got an error in browser:
22 Answers
22
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What's the difference between encoding and charset?
I am confused about the text encoding and charset. For many reasons, I have to
learn non-Unicode, non-UTF8 stuff in my upcoming work.
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How to convert a string to an integer in JavaScript?
...use the native Number function:
var x = Number("1000")
If that doesn't work for you, then there are the parseInt, unary plus, parseFloat with floor, and Math.round methods.
parseInt:
var x = parseInt("1000", 10); // you want to use radix 10
// so you get a decimal number even with a leading...
What does !! mean in ruby?
...nvention stand.
Think of it as
!(!some_val)
One thing that is it used for legitimately is preventing a huge chunk of data from being returned. For example you probably don't want to return 3MB of image data in your has_image? method, or you may not want to return your entire user object in the ...