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How do I scroll the UIScrollView when the keyboard appears?
... this method somewhere in your view controller setup code.
- (void)registerForKeyboardNotifications
{
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(keyboardWasShown:)
name:UIKeyboardDidShowNotification object:nil];
[[NSNotificationCenter def...
Changing the default header comment license in Xcode
...ate a new .cpp/.h file in Xcode a comment is added to the top of the file. For example:
11 Answers
...
Static methods in Python?
...ss C:
@staticmethod
def f(arg1, arg2, ...): ...
The @staticmethod form is a function decorator – see the description of function definitions in Function definitions for details.
It can be called either on the class (such as C.f()) or on an instance (such as C().f()). The instance is ignor...
clang error: unknown argument: '-mno-fused-madd' (python package installation failure)
...pers in comments below:
sudo -E pip install psycopg2
or the equivalent, for whatever other package name you may be substituting in place of psycopg2.
UPDATE [2014-05-16]: Apple has fixed this problem with updated system Pythons (2.7, 2.6, and 2.5) in OS X 10.9.3 so the workaround is no longer ne...
How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]
I'm getting a datetime string in a format like "2009-05-28T16:15:00" (this is ISO 8601, I believe). One hackish option seems to be to parse the string using time.strptime and passing the first six elements of the tuple into the datetime constructor, like:
...
What is the difference between linear regression and logistic regression?
...ic regression is used when the response variable is categorical in nature. For instance, yes/no, true/false, red/green/blue,
1st/2nd/3rd/4th, etc.
Linear regression is used when your response variable is continuous. For instance, weight, height, number of hours, etc.
Equation
Linear regression ...
CORS Access-Control-Allow-Headers wildcard being ignored?
...
Support for wildcards in the Access-Control-Allow-Headers header was added to the living standard only in May 2016, so it may not be supported by all browsers. On browser which don't implement this yet, it must be an exact match: htt...
How do I pass a variable by reference?
...nt('changed to', the_list)
outer_list = ['one', 'two', 'three']
print('before, outer_list =', outer_list)
try_to_change_list_contents(outer_list)
print('after, outer_list =', outer_list)
Output:
before, outer_list = ['one', 'two', 'three']
got ['one', 'two', 'three']
changed to ['one', 'two', '...
Range references instead values
...saw that range returns the key and the "copy" of the value. Is there a way for that range to return the adress of the item? Example
...
AWS S3 copy files and folders between two buckets
I have been on the lookout for a tool to help me copy content of an AWS S3 bucket into a second AWS S3 bucket without downloading the content first to the local file system.
...