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Creating an abstract class in Objective-C
...stringWithFormat:@"%s must be overridden in a subclass/category", __PRETTY_FUNCTION__] userInfo:nil]
#define methodNotImplemented() mustOverride()
then in your methods you can use this
- (void) someMethod {
mustOverride(); // or methodNotImplemented(), same thing
}
Notes: Not sure if maki...
fatal error: Python.h: No such file or directory
...based), it was apt-get install python-dev.
– CoderGuy123
Aug 31 '17 at 15:59
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Purpose of Trigraph sequences in C++?
...teral won't get interpreted as a digraph.
For a nice education on various fun with punctuation in C/C++ programs (including a trigraph bug that would defintinely have me pulling my hair out), take a look at Herb Sutter's GOTW #86 article.
Addendum:
It looks like GCC will not process (and will w...
href overrides ng-click in Angular.js
...ut removing href make it impossible for search engines to follow along the site.
– Darrrrrren
Nov 7 '14 at 13:34
2
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AngularJS 1.2 $injector:modulerr
...if your HTML looks like this:
</head>
<body ng-app="myWebSite">
<!-- My Web Site -->
<p>About my web site...</p>
etc ...
And your JavaScript looks like this (i.e has a typo on app name - myWebCite instead of myWebSite):
/** Main Ang...
Why are Python's 'private' methods not actually private?
...
Example of private function
import re
import inspect
class MyClass :
def __init__(self) :
pass
def private_function ( self ) :
try :
function_call = inspect.stack()[1][4][0].strip()
# See if ...
How can I search sub-folders using glob.glob module?
...
@User123: that doesn't list directories recursively. You are listing all text files one level deep, but not in further subdirectories or even directly in path to directory.
– Martijn Pieters♦
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How Do I Choose Between a Hash Table and a Trie (Prefix Tree)?
...han k time if it's not there
Supports ordered traversal
No need for a hash function
Deletion is straightforward
New operations:
You can quickly look up prefixes of keys, enumerate all entries with a given prefix, etc.
Advantages of linked structure:
If there are many common prefixes, the spa...
How to convert a currency string to a double with jQuery or Javascript?
...
This example run ok
var currency = "$1,123,456.00";
var number = Number(currency.replace(/[^0-9\.]+/g,""));
console.log(number);
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Why can I access TypeScript private members when I shouldn't be able to?
...'t be a member of the class, it would be a local variable created inside a function scope inside the code that creates the object. That would mean that you can't access it like a member of the class, i.e. using the this keyword.
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