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NodeJS - What does “socket hang up” actually mean?
I'm building a web scraper with Node and Cheerio, and for a certain website I'm getting the following error (it only happens on this one website, no others that I try to scrape.
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What is “android:allowBackup”?
...e, either open the lint warnings view, where you can select the lint error and see a longer explanation, or invoke the quick fix (Ctrl-1) on the error line, and one of the suggestions is "Explain this issue", which will also pop up a fuller explanation. If you are not using Eclipse, you can generate...
How to cancel/abort jQuery AJAX request?
...equest if the previous request is not completed I've to abort that request and make a new request.
8 Answers
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Why no generics in Go?
...added at some point. We don't feel an urgency for them, although we understand some programmers do.
Generics are convenient but they come at a cost in complexity in the type system and run-time. We haven't yet found a design that gives value proportionate to the complexity, although we continue...
Find kth smallest element in a binary search tree in Optimum way
...(log n) in the worst case on a balanced BST, or O(log n) on average for a random BST.
A BST requires O(n) storage, and it takes another O(n) to store the information about the number of elements. All BST operations take O(depth of node) time, and it takes O(depth of node) extra time to maintain the...
Difference between double and single curly brace in angular JS?
...gular world, i am bit confused with the use of double curly braces {{}}
and single curly braces{} or sometime no curly brace is used to include the expression like in the directives
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Convert SVG to PNG in Python
...ry.
I made a minimalist "hello world" that renders SVG to a cairo
surface and writes it to disk:
import cairo
import rsvg
img = cairo.ImageSurface(cairo.FORMAT_ARGB32, 640,480)
ctx = cairo.Context(img)
## handle = rsvg.Handle(<svg filename>)
# or, for in memory SVG data:
handle= rsvg.Hand...
Why do you need to create a cursor when querying a sqlite database?
I'm completely new to Python's sqlite3 module (and SQL in general for that matter), and this just completely stumps me. The abundant lack of descriptions of cursor objects (rather, their necessity) also seems odd.
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Why are properties without a setter not serialized
I have a serializable class and one of the properties in my class generates a Guid in the getter. The property implements no setter and is ignores during serialization. Why is that and do I always have to implement a setter in order for my property to be serialized.
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Eclipse: Error “.. overlaps the location of another project..” when trying to create new project
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Eclipse is erroring because if you try and create a project on a directory that exists, Eclipse doesn't know if it's an actual project or not - so it errors, saving you from losing work!
So you have two solutions:
Move the folder counter_src somewhere else, the...