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how to check redis instance version?
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164
Run the command INFO. The version will be the first item displayed.
The advantage of this over...
Installing PG gem on OS X - failure to build native extension
...sion 8.x installed.
So I run the following command:
ARCHFLAGS="-arch x86_64" gem install pg
and this worked for me, I hope this helps someone :)
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When should std::move be used on a function return value? [duplicate]
...ction is declared to return std::unique_ptr<Base>? In gcc and mingw-w64 it just works, but vanilla mingw (based gcc 4.9.3, targeting i686-pc-cygwin) needs std::move(x) to compile.
– rr-
Oct 12 '15 at 7:01
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How to use OpenSSL to encrypt/decrypt files?
... -ciphername [-in filename] [-out filename] [-pass arg]
[-e] [-d] [-a/-base64] [-A] [-k password] [-kfile filename]
[-K key] [-iv IV] [-S salt] [-salt] [-nosalt] [-z] [-md] [-p] [-P]
[-bufsize number] [-nopad] [-debug] [-none] [-engine id]
Explanation of most useful parameters with regards to yo...
'ssh-keygen' is not recognized as an internal or external command
... Windows, whose releases include PortableGit-2.4.3.1-2nd-release-candidate-64-bit.7z
c:\path\to\PortableGit-2.4.3.1-2nd-release-candidate-64-bit\usr\bin\ssh-keygen.exe
That means the %PATH% must include c:\path\to\PortableGit-2.4.3.1-2nd-release-candidate-64-bit\usr\bin (without the ssh-keygen.ex...
What is the optimal algorithm for the game 2048?
...lementation
My approach encodes the entire board (16 entries) as a single 64-bit integer (where tiles are the nybbles, i.e. 4-bit chunks). On a 64-bit machine, this enables the entire board to be passed around in a single machine register.
Bit shift operations are used to extract individual rows a...
What is the difference between float and double?
...E double-precision. Nevertheless, for most architectures (gcc, MSVC; x86, x64, ARM) float is indeed a IEEE single-precision floating point number (binary32), and double is a IEEE double-precision floating point number (binary64).
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An error occurred while installing pg (0.17.1), and Bundler cannot continue
...gem install pg fails, try the following command:
env ARCHFLAGS="-arch x86_64" gem install pg -- --with-pg-config=/Applications/Postgres.app/Contents/MacOS/bin/pg_config
... from the PostgreSQL.app Documentation
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How to wait in a batch script? [duplicate]
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I added the actual function its called timeout.. ss64.com/nt/timeout.html at least I know that others didn't know either :)
– Thomaschaaf
Apr 9 '09 at 19:42
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How can I generate random alphanumeric strings?
...ouTube's video IDs are A-Z a-z 0-9, as well as "-" and "_", which produces 64 possible characters, which divides into 256 evenly. Coincidence? I think not! :)
– qJake
Sep 26 '16 at 18:25
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