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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 share ...
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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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Why unsigned integer is not available in PostgreSQL?

... fit into long. Another thing, if I did have the need to store 32 bit or 64 bit types, I can use PostgreSQL int4 or int8 respectively, just remembering that the natural order or arithmetic won't work reliably. But storing and retrieving is unaffected by that. Here is how I can implement a simp...
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How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth

... echo $rsa->getPublicKey(CRYPT_RSA_PUBLIC_FORMAT_PKCS1_RAW); The base64-encoded stuff appears to match even though the header says BEGIN PUBLIC KEY and not BEGIN RSA PUBLIC KEY. So maybe just use str_replace to fix that and you should be good to go! ...
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What data type to use for hashed password field and what length?

...6) or BINARY(28) SHA-256 generates a 256-bit hash value. You can use CHAR(64) or BINARY(32) SHA-384 generates a 384-bit hash value. You can use CHAR(96) or BINARY(48) SHA-512 generates a 512-bit hash value. You can use CHAR(128) or BINARY(64) BCrypt generates an implementation-dependent 448-bit h...
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How to wait in a batch script? [duplicate]

... 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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Copy Notepad++ text with formatting?

... npintinpinti 49.3k55 gold badges6464 silver badges8989 bronze badges 39 ...
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Maximum number of threads in a .NET app?

...eads: 1023 in Framework 4.0 (32-bit environment) 32767 in Framework 4.0 (64-bit environment) 250 per core in Framework 3.5 25 per core in Framework 2.0 (These numbers may vary depending upon the hardware and OS)] share ...
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Android Hello-World compile error: Intellij cannot find aapt

... and executing aapt directly also says file not found, you may be having a 64-bit issue: link – Tomas Jun 2 '13 at 7:07 ...
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How to pip or easy_install tkinter on Windows

...d say "This is Tcl/Tk version 8.5"; make sure it is not 8.4! 2) Uninstall 64-bit Python and install 32 bit Python. share | improve this answer | follow | ...