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what is the difference between OLE DB and ODBC data sources?
...ocol in managed code, only using native code to handle the TCP/Named Pipes/etc transmission over the network. For databases that don't have a managed provider of their own, you can use System.Data.OleDb to wrap OLE DB or System.Data.Odbc to wrap ODBC, but it's not recommended.
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Difference between solr and lucene
...work.
Examples are Solr, Elastic Search, LinkedIn (yes, under the hood), etc..
Check out this article: Lucene vs Solr
UPDATE (6/18/14)
When to use Lucene?
You are a search engineer AND
You are a programmer AND
You want full control over almost all the internals of Lucene AND
Your requirements...
How can I stop redis-server?
...if you are on ubuntu you can try to restart redis server through init.d:
/etc/init.d/redis-server restart
or stop/start it:
/etc/init.d/redis-server stop
/etc/init.d/redis-server start
On Mac
redis-cli shutdown
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Bare asterisk in function arguments?
...s probably to quietly gobble up all the remaining positional arguments, in order to force the remaining arguments to be keyword-only.
– Stephen
Apr 25 '18 at 17:19
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Is Big O(logn) log base e?
... big-O notation is usually written showing only the asymptotically highest order of n, so constant coefficients will drop away. Since a different logarithm base is equivalent to a constant coefficient, it is superfluous.
That said, I would probably assume log base 2.
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Difference between size_t and unsigned int?
...t idea how could anyone be expected to use calloc() (and family), strlen() etc.? That seems to me absurd.
– Pryftan
Nov 17 '19 at 20:35
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What are some compelling use cases for dependent method types?
... environment (so the internal code of the function is not dependent on the order of state changes and thus remains declarative in that sense). How to type this in Scala?
The environment class must have an overloaded method which inputs such a function to call, and inputs the hash keys of the argume...
Structure padding and packing
...
+allyourcode The standard guarantees that the order of the members will be preserved and that the first member will start at 0 offset.
– martinkunev
Dec 8 '17 at 14:32
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In the shell, what does “ 2>&1 ” mean?
... not redirect stderr to the file, but cmd >> file 2>&1 does. Order matters. In the first case, stderr is redirected to the stdout of the shell (possibly a tty if the command is entered interactively), and then stdout is directed to the file. In the second case, stdout is directed to ...
Gulp command not found after install
...ed the npm root -g was pointing to /usr/local/lib/node_modules/npm, but in order to install gulp in /usr/local/lib/node_modules, I had to use sudo:
sudo npm install gulp -g
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