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Is there a way to list pip dependencies/requirements?
Without going through with the installation, I want to quickly see all the packages that pip install would install.
7 Ans...
Why should I avoid multiple inheritance in C++?
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Multiple inheritance (abbreviated as MI) smells, which means that usually, it was done for bad reasons, and it will blow back in the face of the maintainer.
Summary
Consider composition of features, instead of inheritance
Be wary of the Diamond of Dread
Consider inheritance of multiple interf...
Is there any downside for using a leading double slash to inherit the protocol in a URL? i.e. src=“/
...at starting the URL with a double slash inherits the current protocol. Do all browsers support this technique?
6 Answers
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How to detect IE11?
...changes it's intentional to avoid mis-detection.
What you can do if you really want to know it's IE is to detect the Trident/ string in the user agent if navigator.appName returns Netscape, something like (the untested);
function getInternetExplorerVersion()
{
var rv = -1;
if (navigator...
How to elegantly rename all keys in a hash in Ruby? [duplicate]
...to do ages = Hash[ages.map {|k, v| [mappings[k] || k, v] }] to be able to call the variable again with the mapping.
– Chanpory
Nov 9 '10 at 20:32
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Is there an alternative to bastard injection? (AKA poor man's injection via default constructor)
... well-known pattern, but I'll grant that overloaded constructors are marginally more 'in your face' :)
– Mark Seemann
Jul 20 '11 at 7:21
5
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Indenting #defines
I know that #define s, etc. are normally never indented. Why?
8 Answers
8
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How many characters can UTF-8 encode?
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UTF-8 does not use one byte all the time, it's 1 to 4 bytes.
The first 128 characters (US-ASCII) need one byte.
The next 1,920 characters need two bytes to encode. This covers the remainder of almost all Latin alphabets, and also Greek, Cyrilli...
Java8: Why is it forbidden to define a default method for a method from java.lang.Object
...bviously a good idea" until you start digging and you realize that its actually a bad idea.
This mail has a lot on the subject (and on other subjects too.) There were several design forces that converged to bring us to the current design:
The desire to keep the inheritance model simple;
The ...
Enabling error display in PHP via htaccess only
... configuration files (e.g. httpd.conf) and .htaccess files. You will need "AllowOverride Options" or "AllowOverride All" privileges to do so. php.net/manual/en/configuration.changes.php
– silex
May 25 '11 at 17:01
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