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What are Aggregates and PODs and how/why are they special?
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How to read:
This article is rather long. If you want to know about both aggregates and PODs (Plain Old Data) take time and read it. If you are interested just in aggregates, read only the first part. If you are interested only in PODs then you must first read the definition, implic...
Algorithm to calculate the number of divisors of a given number
...ate the prime list but I don't believe that takes care of the whole issue. Now that you have a list of primes you'll need to see how many of those primes act as a divisor (and how often).
Here's some python for the algo Look here and search for "Subject: math - need divisors algorithm". Just count ...
How does the bitwise complement operator (~ tilde) work?
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How does the machine know it is getting a two complement negative number instead of a higher positive number? Is it because of the type system of the respective language indicating that the type is a signed int versus unsigned?
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UIDevice uniqueIdentifier deprecated - What to do now?
...oss reinstalls and apps (if the hashing is done in the same way). Anyways, nowadays (2013) this isn't necessary any more except if you need a "stable" device identifier on iOS < 6.0.
Edit 4: In iOS 7, Apple now always returns a fixed value when querying the MAC to specifically thwart the MAC as ...
Get Output From the logging Module in IPython Notebook
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For anyone trying to do this in Python 3: reload is now imp.reload
– kuzzooroo
Jan 15 '15 at 17:09
11
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Cancel a UIView animation?
... it doesn't work soon enough if what you mean is "stop the animation right now, before I go on to the next line of code".
– matt
Jan 3 '12 at 19:45
14
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How to apply specific CSS rules to Chrome only?
...https://jeffclayton.wordpress.com/2015/08/10/1279/
/* Chrome, Safari, AND NOW ALSO the Edge Browser and Firefox */
@media and (-webkit-min-device-pixel-ratio:0) {
div{top:10;}
}
/* Chrome 29+ */
@media screen and (-webkit-min-device-pixel-ratio:0)
and (min-resolution:.001dpcm) {
div{top:0...
Deleting DataFrame row in Pandas based on column value
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how to do that if we don't know the column name?
– Piyush S. Wanare
Jul 3 '18 at 13:20
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Illegal pattern character 'T' when parsing a date string to java.util.Date
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Update for Java 8 and higher
You can now simply do Instant.parse("2015-04-28T14:23:38.521Z") and get the correct thing now, especially since you should be using Instant instead of the broken java.util.Date with the most recent versions of Java.
You should be u...
Angular JS: What is the need of the directive’s link function when we already had directive’s contro
... link and controller functions and reading quite a lot about them, I think now I have the answer.
First lets understand,
How do angular directives work in a nutshell:
We begin with a template (as a string or loaded to a string)
var templateString = '<div my-directive>{{5 + 10}}</div>...