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Retain cycle on `self` with blocks
...choose this as the correct answer to your question. If not, please let me know how I can answer your question better.
– Lily Ballard
Dec 4 '10 at 8:24
4
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Is there a Java equivalent to C#'s 'yield' keyword?
I know there is no direct equivalent in Java itself, but perhaps a third party?
6 Answers
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What is a “symbol” in Julia?
...t – as data – the foo on the left hand side of this:
foo == "foo"
Now we're getting to the heart of the matter: the difference between a symbol and a string is the difference between foo on the left hand side of that comparison and "foo" on the right hand side. On the left, foo is an identi...
What is jQuery Unobtrusive Validation?
I know what the jQuery Validation plugin is. I know the jQuery Unobtrusive Validation library was made by Microsoft and is included in the ASP.NET MVC framework. But I cannot find a single online source that explains what it is. What is the difference between the standard jQuery Validation librar...
Import PEM into Java Key Store
...,
starting with ---BEGIN.. and ending with ---END.. lines. Lets assume we now have three files: cert1.pem, cert2.pem, and pkey.pem.
Convert pkey.pem into DER format using openssl and the following syntax:
openssl pkcs8 -topk8 -nocrypt -in pkey.pem -inform PEM -out pkey.der -outform DER
Note,...
Normalize data in pandas
...es and stdevs assumes your sample covers the population, but sometimes we know this isn't true. It was also very useful for me when visualizing data in heatmaps. So i built a custom function (used extra steps in the code here to make it as readable as possible):
def NormData(s,low='min',center='mid...
Error: “Cannot modify the return value” c#
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By now you already know what the source of the error is. In case a constructor doesn't exist with an overload to take your property (in this case X), you can use the object initializer (which will do all the magic behind the sce...
How to disable mouse scroll wheel scaling with Google Maps API
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As of now (October 2017) Google has implemented a specific property to handle the zooming/scrolling, called gestureHandling. Its purpose is to handle mobile devices operation, but it modifies the behaviour for desktop browsers as w...
Is there a way to check which CSS styles are being used or not used on a web page?
Want to know which CSS styles are currently being used on a web page.
7 Answers
7
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Determine Whether Two Date Ranges Overlap
...other,
nor completely before the other,
then they must overlap.)
Now one of De Morgan's laws says that:
Not (A Or B) <=> Not A And Not B
Which translates to: (StartA <= EndB) and (EndA >= StartB)
NOTE: This includes conditions where the edges overlap exactly. If you ...