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UIButton Image + Text IOS
...as well like
...the rest of the customisation of the button is your duty now, and don't forget to add the button to your view.
UPDATE #1 and UPDATE #2
or, if you don't need a dynamic button you could add your button to your view in the Interface Builder and you could set the same values at there...
How to run functions in parallel?
... print(f'{seconds} has been processed')
secs_list = [2,4, 6, 8, 10, 12]
Now, if your operation is IO bound, then you can use the ThreadPoolExecutor as such:
with ThreadPoolExecutor() as executor:
results = executor.map(sleep_secs, secs_list)
Note how map is used here to map your function to ...
How to create a GUID/UUID using iOS
...ns the Unique ID of your iPhone.
EDIT: -[UIDevice uniqueIdentifier] is now deprecated and apps are being rejected from the App Store for using it. The method below is now the preferred approach.
If you need to create several UUID, just use this method (with ARC):
+ (NSString *)GetUUID
{
CFU...
Regex lookahead, lookbehind and atomic groups
...ume any characters so that search for REGEX_2 starts at the same location. Now REGEX_2 makes sure that the string matches some other rules. Without look-ahead it would match strings of length three or five.
Negative lookahead
Syntax:
(?!REGEX_1)REGEX_2
Match only if REGEX_1 does not match; af...
Token Authentication for RESTful API: should the token be periodically changed?
... deleted')
# This is required for the time comparison
utc_now = datetime.utcnow()
utc_now = utc_now.replace(tzinfo=pytz.utc)
if token.created < utc_now - timedelta(hours=24):
raise exceptions.AuthenticationFailed('Token has expired')
return t...
PHP: Storing 'objects' inside the $_SESSION
... it quite cool because when I jump to another page I still have my object. Now before I start using this approach I would like to find out if it is really such a good idea or if there are potential pitfalls involved.
...
What's the deal with a leading underscore in PHP class methods?
...the most authoritative source for these kinds of conventions for PHP right now would be the PSR-2: Coding Style Guide because the Zend Framework is part of PSR:
Property names SHOULD NOT be prefixed with a single underscore to indicate protected or private visibility.
...
Debugging Package Manager Console Update-Database Seed Method
... when I run Update-Database from the Package Manager Console but didn't know how to do it. I wanted to share the solution with others in case they have the same issue.
...
mongodb: insert if not exists
... specify what data you want to write:
data = {"$set":{"key2":"value2"}}
Now your selected document will update the value of "key2" only and leave everything else untouched.
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How do I change the working directory in Python?
... Never call os.chdir() outside of a context manager, unless you think you know what you're doing. (You probably don't.)
– Cecil Curry
May 22 '16 at 5:19
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