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How to store custom objects in NSUserDefaults
...jectForKey:@"subcategory"];
}
return self;
}
Reading and writing from NSUserDefaults:
- (void)saveCustomObject:(MyObject *)object key:(NSString *)key {
NSData *encodedObject = [NSKeyedArchiver archivedDataWithRootObject:object];
NSUserDefaults *defaults = [NSUserDefaults standardU...
Eclipse error: 'Failed to create the Java Virtual Machine'
...
in eclipse.ini, changing reducing -Xmx to 512m from 1024 fixed the issue for me. The system was having 1GB RAM.
– Dexter
Jul 17 '14 at 9:26
3
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REST API Authentication
... I want to build an API for the application to facilitate interaction with from any platform (Web App, Mobile App). What I'm not understanding is that when using the REST API, how do we authenticate the user.
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window.location.reload with clear cache [duplicate]
...r cache too, so on page refresh the page has latest versions of everything from server.
Other browsers except IE are not getting latest content.
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Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
...e datatypes you have - namely, int and Integer. You're getting an Integer from valueOf on the right hand side, of course.
After the conversion, you're comparing two primitive int values. Comparison happens just as you would expect it to with respect to primitives, so you wind up comparing 128 and ...
Are HTTPS URLs encrypted?
... are 3 of them - not versions, fields that each contain a version number!)
From https://www.ietf.org/rfc/rfc3546.txt:
3.1. Server Name Indication
[TLS] does not provide a mechanism for a client to tell a server
the name of the server it is contacting. It may be desirable for
clients to provi...
Calling class staticmethod within the class body?
When I attempt to use a static method from within the body of the class, and define the static method using the built-in staticmethod function as a decorator, like this:
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how to convert an RGB image to numpy array?
...ng Library) and Numpy work well together.
I use the following functions.
from PIL import Image
import numpy as np
def load_image( infilename ) :
img = Image.open( infilename )
img.load()
data = np.asarray( img, dtype="int32" )
return data
def save_image( npdata, outfilename ) :
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Explaining Python's '__enter__' and '__exit__'
...plained above, use this object with the with statement (you may need to do from __future__ import with_statement at the top of the file if you're on Python 2.5).
with DatabaseConnection() as mydbconn:
# do stuff
PEP343 -- The 'with' statement' has a nice writeup as well.
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Get timezone from DateTime
...on associated with a DateTime value via some external mechanism.
A quote from an excellent article here.
A must read for every .Net developer.
So my advice is to write a little wrapper class that suits your needs.
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