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How to check if an object is nullable?
How do I check if a given object is nullable in other words how to implement the following method...
14 Answers
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What does the “~” (tilde/squiggle/twiddle) CSS selector mean?
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The ~ selector is in fact the General sibling combinator (renamed to Subsequent-sibling combinator in selectors Level 4):
The general sibling combinator is made of the "tilde" (U+007E, ~)
character that separates two sequences of simple selectors. The
eleme...
How to create circle with Bézier curves?
...d a circle radius. There also exists an engine that can create a path from Bézier curve points.
10 Answers
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Maximum length for MD5 input/output
...ring that can have md5 hashed? Or: If it has no limit, and if so what will be the max length of the md5 output value?
7 Ans...
mmap() vs. reading blocks
I'm working on a program that will be processing files that could potentially be 100GB or more in size. The files contain sets of variable length records. I've got a first implementation up and running and am now looking towards improving performance, particularly at doing I/O more efficiently since...
UICollectionView's cellForItemAtIndexPath is not being called
Only my second time using UICollectionView's and perhaps I have bitten off more than I can chew but nevertheless:
31 Answer...
Creating a BLOB from a Base64 string in JavaScript
I have Base64-encoded binary data in a string:
12 Answers
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How to create a self-signed certificate with OpenSSL
I'm adding HTTPS support to an embedded Linux device. I have tried to generate a self-signed certificate with these steps:
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Reusable library to get human readable version of file size?
There are various snippets on the web that would give you a function to return human readable size from bytes size:
22 Answ...
Concatenating two one-dimensional NumPy arrays
I have two simple one-dimensional arrays in NumPy . I should be able to concatenate them using numpy.concatenate . But I get this error for the code below:
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