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Behaviour for significant change location API when terminated/suspended?
...stion, I have done a fair bit of testing (mostly on the train between home and work) and have confirmed that the behaviour for suspended apps is as I suspected at the end of the question.
That is, your suspended app is woken up, you don't receive any callbacks on your app delegate, instead you re...
Why should I learn Lisp? [closed]
I really feel that I should learn Lisp and there are plenty of good resources out there to help me do it.
29 Answers
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Equation for testing if a point is inside a circle
If you have a circle with center (center_x, center_y) and radius radius , how do you test if a given point with coordinates (x, y) is inside the circle?
...
Replace all 0 values to NA
...ays in ?'NULL',
NULL represents the null object in R
which is unique and, I guess, can be seen as the most uninformative and empty object.1 Then it becomes not so surprising that
data.frame(x = c(1, NULL, 2))
# x
# 1 1
# 2 2
That is, R does not reserve any space for this null object.2 Mea...
grep using a character vector with multiple patterns
... test whether a vector of strings are present in an another vector or not, and to output the values that are present (the matching patterns).
...
Check if a variable is a string in JavaScript
... in the case of strings created with new String(), but this is seldom used and recommended against[1][2]. See the other answers for how to handle these, if you so desire.
The Google JavaScript Style Guide says to never use primitive object wrappers.
Douglas Crockford recommended that primitive o...
How do search engines deal with AngularJS applications?
I see two issues with AngularJS application regarding search engines and SEO:
15 Answers
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Is it possible to decrypt MD5 hashes?
...hat there are 2128 possible MD5 hashes. That is a reasonably large number, and yet it is most definitely finite. And yet, there are an infinite number of possible inputs to a given hash function (and most of them contain more than 128 bits, or a measly 16 bytes). So there are actually an infinite nu...
AWS Error Message: A conflicting conditional operation is currently in progress against this resourc
...ault to US region (used AWSCLI)
realized, the bucket shall go to EU region and deleted it (used AWS console)
(few minutes later) tried to create the bucket, specifying the EU region
At step 3, AWS console has shown me the error message from title of your question.
So I guess, that the bucket in U...
DateTime.ToString() format that can be used in a filename or extension?
...d but most of the DateTime methods I've tried output something with spaces and slashes. For instance:
8 Answers
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