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std::vector versus std::array in C++
... stack, the array itself will be on the stack. Its size has to be known at compile time (it's passed as a template parameter), and it cannot grow or shrink.
It's more limited than std::vector, but it's often more efficient, especially for small sizes, because in practice it's mostly a lightweight w...
How to convert JSON to XML or XML to JSON?
...t.Json.Converters.XmlNodeConverter class in JSON.NET 3.5: james.newtonking.com/projects/json/help/html/…
– David Brown
May 2 '09 at 20:01
3
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runOnUiThread in fragment
...will happen when the fragment has been detached from the activity. This is common in async tasks, because the activity could have been destroyed during the long running operation, so it no longer exists to get. Always check for null first.
– bclymer
Apr 27 '16 ...
What is the difference between a static and a non-static initialization code block
... a class which does not belong to any function. For example following code compiles:
8 Answers
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How to create a loop in bash that is waiting for a webserver to respond?
...
Combining the question with chepner's answer, this worked for me:
until $(curl --output /dev/null --silent --head --fail http://myhost:myport); do
printf '.'
sleep 5
done
...
upstream sent too big header while reading response header from upstream
...'s a shot in the dark. See here for getting an idea on sizing: gist.github.com/magnetikonline/…
– Wes Johnson
Sep 9 '14 at 15:37
5
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Fast way to get image dimensions (not filesize)
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The file command prints the dimensions for several image formats (e.g. PNG, GIF, JPEG; recent versions also PPM, WEBP), and does only read the header.
The identify command (from ImageMagick) prints lots of image information for a wide...
Cross-reference (named anchor) in markdown
...ser problems, close the tag explicitly using <tag></tag>, as recommended above.
Finally, the attribute name= was deprecated in XHTML, so I originally used id=, which everyone recognises. However, HTML5 now creates a global variable in JavaScript when using id=, and this may not necessar...
What would cause an algorithm to have O(log log n) complexity?
...dresses some of the factors that might cause an algorithm to have O(log n) complexity.
2 Answers
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