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How to search for “R” materials? [closed]
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this wouldn't work these days - S-Plus is history now and I imagine most R users have never touched it. And most current R packages were developed without reference to it.
– Peter Ellis
Apr 25 '13 at 7:45
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Transaction isolation levels relation with locks on table
... on production: imagine that T table is an Invoice table, user X wants to know the invoices of the day and user Y wants to create a new invoice, so while X executes the read of the invoices, Y can't add a new invoice (and when it's about money, people get really mad, especially the bosses).
I ...
Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
.../a/11227902/1001643
Compilers typically don't have enough information to know which branches will alias and whether those aliases will be significant. However, that information can be determined at runtime with tools such as Cachegrind and VTune.
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Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req
...not seeing the same problem when using postman, this means that you are unknowingly not sending the same request via postman.
– Ray Nicholus
Nov 17 '13 at 20:01
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What are the differences between Clojure, Scheme/Racket and Common Lisp?
I know they are dialects of the same family of language called lisp, but what exactly are the differences? Could you give an overview, if possible, covering topics such as syntax, characteristics, features and resources.
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Transactions in REST?
...ou create a transaction as an object. This could contain all the data you know already, and put the transaction in a pending state.
POST /transfer/txn
{"source":"john's account", "destination":"bob's account", "amount":10}
{"id":"/transfer/txn/12345", "state":"pending", "source":...}
Once you ha...
How line ending conversions work with git core.autocrlf between different operating systems
... @donquixote: I realize this is quite old but I only read your comment now. In fact, all these translations (any EOL conversion from eol= or autocrlf settings, and "clean" filters) are run when files move from work-tree to index, i.e., during git add rather than at git commit time. (Note that gi...
Should I learn C before learning C++? [closed]
...at is true whether or not you started with C or started with C++.
If you know C first, then that is good plus to learning C++. You will start with knowing a chunk of the language. If you do not know C first then there is no point focusing on a different language. There are plenty of good books a...
Is there YAML syntax for sharing part of a list or map?
So, I know I can do something like this:
5 Answers
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an htop-like tool to display disk activity in linux [closed]
...t needs a kernel patch (available from the site). These kernel patches are now obsoleted, only to show per-process network activity an optional module is provided.
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