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Reading binary file and looping over each byte
... byte = f.read(1)
Note that the with statement is not available in versions of Python below 2.5. To use it in v 2.5 you'll need to import it:
from __future__ import with_statement
In 2.6 this is not needed.
Python 3
In Python 3, it's a bit different. We will no longer get raw characters fro...
How do I append text to a file?
...
How can i do this when the file need root permission?
– UselesssCat
Jul 18 '17 at 13:52
2
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Static function variables in Swift
... figure out how to declare a static variable scoped only locally to a function in Swift.
4 Answers
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parseInt vs unary plus, when to use which?
...her hand stops parsing when it sees a non-numerical character, like the period that is intended to be a decimal point ..
+'2.3' === 2.3; //true
parseInt('2.3',10) === 2; //true
parseInt and parseFloat parses and builds the string left to right. If they see an invalid character, it re...
Applicatives compose, monads don't
... in the type of (>>=) shows that a value in s can determine the behaviour of a computation in m t. Monads allow interference between the value and computation layers. The (<*>) operator allows no such interference: the function and argument computations don't depend on values. This reall...
urllib2.HTTPError: HTTP Error 403: Forbidden
...n using urllib2. I have tried changing user agent as specified in few questions earlier, I even tried to accept response cookies, with no luck. Can you please help.
...
How to implement my very own URI scheme on Android
...able to create your own scheme. (More on intent filters and intent resolution here.)
Here's a short example:
<activity android:name=".MyUriActivity">
<intent-filter>
<action android:name="android.intent.action.VIEW" />
<category android:name="android.inten...
PHP memory profiling
...e? For example, to see how much memory my data is using, and/or which function calls are allocating the most memory.
4 Answ...
What is a Java ClassLoader?
...
Taken from this nice tutorial from Sun:
Motivation
Applications written in statically compiled programming languages, such as C and C++, are compiled into native, machine-specific instructions and saved as an executable file. The process of combining the code into an exe...
AngularJS : How to watch service variables?
...tyranny and overhead of $watch.
In the service:
factory('aService', function() {
var observerCallbacks = [];
//register an observer
this.registerObserverCallback = function(callback){
observerCallbacks.push(callback);
};
//call this when you know 'foo' has been changed
var notify...