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Design for Facebook authentication in an iOS app that also accesses a secured web service
...myself, and here's the part that bit me:
In your step 5... It's possible for a user to register for an account with you entirely separate from their Facebook ID, right? Then some other time they log in with Facebook.... And you just created them a second account and lost their first one.
There ne...
How to negate the whole regex?
I have a regex, for example (ma|(t){1}) . It matches ma and t and doesn't match bla .
4 Answers
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What is the maximum length of a Push Notification alert text?
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The real limits for the alert text are not documented anywhere.
The only thing the documentation says is:
In iOS 8 and later, the maximum size allowed for a notification payload is 2 kilobytes; Apple Push Notification Service refuses any ...
How do I find the location of Python module sources?
How do I learn where the source file for a given Python module is installed? Is the method different on Windows than on Linux?
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Remap values in pandas column with a dict
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You can use .replace. For example:
>>> df = pd.DataFrame({'col2': {0: 'a', 1: 2, 2: np.nan}, 'col1': {0: 'w', 1: 1, 2: 2}})
>>> di = {1: "A", 2: "B"}
>>> df
col1 col2
0 w a
1 1 2
2 2 NaN
>>> df...
Prevent scrolling of parent element when inner element scroll position reaches top/bottom? [duplicat
... little "floating tool box" - a div with position:fixed; overflow:auto .
Works just fine.
30 Answers
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Git number of commits per author on all branches
I'd like to get the number of commits per author on all branches. I see that
1 Answer
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Android : Check whether the phone is dual SIM
After a lot of research on forums, now I know that there is no way to find IMSI or SIM serial number for both the SIM cards in a dual SIM phone (except for contacting the manufacturer). Now my changed question is, can we at all detect that the phone has two SIMs? I believe it can be detected with so...
How to iterate over the keys and values in an object in CoffeeScript?
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Use for x,y of L. Relevant documentation.
ages = {}
ages["jim"] = 12
ages["john"] = 7
for k,v of ages
console.log k + " is " + v
Outputs
jim is 12
john is 7
You may also want to consider the variant for own k,v of ages as...
What is the proper way to check if a string is empty in Perl?
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For string comparisons in Perl, use eq or ne:
if ($str eq "")
{
// ...
}
The == and != operators are numeric comparison operators. They will attempt to convert both operands to integers before comparing them.
See the per...