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How to convert an NSString into an NSNumber
...numberStyle = NSNumberFormatterDecimalStyle;
NSNumber *myNumber = [f numberFromString:@"42"];
If the string is not a valid number, then myNumber will be nil. If it is a valid number, then you now have all of the NSNumber goodness to figure out what kind of number it actually is.
...
GIT repository layout for server with multiple projects
...r. Is there another option??
@Paul: yes, instead of updating the version from the main project, you either:
develop your subprojects directly from within the main project (as explained in "True Nature of submodules"),
or you reference in a sub-repo an origin towards the same sub-repo being deve...
How to run functions in parallel?
..., multiprocessing is generally a better bet.
Here is a complete example:
from multiprocessing import Process
def func1():
print 'func1: starting'
for i in xrange(10000000): pass
print 'func1: finishing'
def func2():
print 'func2: starting'
for i in xrange(10000000): pass
print 'func2...
Should *.xccheckout files in Xcode5 be ignored under VCS?
...uch difference. But if you're using a workspace that has multiple projects from different repositories, the presence of an .xccheckout file in the workspace allows Xcode to know what all of the components that make up a workspace are and where to get them.
...
std::shared_ptr of this
...
There is std::enable_shared_from_this just for this purpose. You inherit from it and you can call .shared_from_this() from inside the class. Also, you are creating circular dependencies here that can lead to resource leaks. That can be resolved with the...
Sync data between Android App and webserver [closed]
...tent Storage:
This is how your phone actually stores the data it receives from the webserver. One possible method for accomplishing this is writing your own custom ContentProvider backed by a Sqlite database. A decent tutorial for a content provider can be found here: http://thinkandroid.wordpress....
How to make a class JSON serializable
...wn custom serialization.
For a trivial example, see below.
>>> from json import JSONEncoder
>>> class MyEncoder(JSONEncoder):
def default(self, o):
return o.__dict__
>>> MyEncoder().encode(f)
'{"fname": "/foo/bar"}'
Then you pass this class in...
How do I get the 'clear' command in Cygwin?
... the screen is really useful for quickly making sure the output you get is from where you think it is from.
– DrCord
Sep 10 '13 at 22:07
1
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How to configure Ruby on Rails with no database?
...d for a database. I know I could create an empty database in MySQL and go from there, but does anyone know a better way to run Rails without a database?
...
load and execute order of scripts
...r, then it would have to be coded in by registering for load notifications from the async scripts and manually sequencing javascript calls when the appropriate things are loaded.
When a script tag is inserted dynamically, how the execution order behaves will depend upon the browser. You can see ho...