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What are the best practices for JavaScript error handling?

I'm looking to start making my JavaScript a bit more error proof, and I'm finding plenty of documentation on using try , catch , finally , and throw , but I'm not finding a ton of advice from experts on when and where to throw errors. ...
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How can I use threading in Python?

I am trying to understand threading in Python. I've looked at the documentation and examples, but quite frankly, many examples are overly sophisticated and I'm having trouble understanding them. ...
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detach all packages while working in R

...nly names(sessionInfo()$loadedOnly) to explicitly attached packages first, and then detach the packages, as so. lapply(names(sessionInfo()$loadedOnly), require, character.only = TRUE) invisible(lapply(paste0('package:', names(sessionInfo()$otherPkgs)), detach, character.only=TRUE, unload=TRUE, force...
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Why is reading lines from stdin much slower in C++ than Python?

I wanted to compare reading lines of string input from stdin using Python and C++ and was shocked to see my C++ code run an order of magnitude slower than the equivalent Python code. Since my C++ is rusty and I'm not yet an expert Pythonista, please tell me if I'm doing something wrong or if I'm mis...
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Calculate age given the birth date in the format YYYYMMDD

... answered Feb 24 '14 at 9:51 André Snede KockAndré Snede Kock 8,41355 gold badges4040 silver badges6161 bronze badges ...
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Step-by-step debugging with IPython

... You can use IPython's %pdb magic. Just call %pdb in IPython and when an error occurs, you're automatically dropped to ipdb. While you don't have the stepping immediately, you're in ipdb afterwards. This makes debugging individual functions easy, as you can just load a file with %load...
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How to remove an item for a OR'd enum?

...rses or 'flips' all bits for the given data type. As such, if you use the AND operator (&) with some value (let's call that value 'X') and the complement of one or more set bits (let's call those bits Q and their complement ~Q), the statement X & ~Q clears any bits that were set in Q from X...
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What exactly is an Assembly in C# or .NET?

...on a given machine. That compiled code will also be stored in the assembly and reused on subsequent calls. The assembly can also contain resources like icons, bitmaps, string tables and so on. Furthermore, the assembly also contains metadata in the assembly manifest - information like version numbe...
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How can I use pointers in Java?

...have pointers, but I heard that Java programs can be created with pointers and that this can be done by the few who are experts in java. Is it true? ...
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How to make a node.js application run permanently?

On a Debian server, I installed Node.js. I understand how to launch an app from putty with this command line: 19 Answers ...