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PostgreSQL error 'Could not connect to server: No such file or directory'

... uninstall pg $ brew uninstall postgresql Download and run the following script to fix permission on /usr/local:* https://gist.github.com/rpavlik/768518 $ ruby fix_homebrew.rb Then install Postgres again and pg gem:* $ brew install postgresql $ initdb /usr/local/var/postgres -E utf8 To hav...
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How to develop and test an app that sends emails (without filling someone's mailbox with test data)?

...unning smtp4dev on win7, sending from SQL Server Database Mail Test E-mail script) – Jona Dec 6 '11 at 13:17 Just down...
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How to reliably guess the encoding between MacRoman, CP1252, Latin1, UTF-8, and ASCII

...s strict validation rules, false positives are extremely rare. ISO-8859-1 vs. windows-1252 The only difference between these two encodings is that ISO-8859-1 has the C1 control characters where windows-1252 has the printable characters €‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š...
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What is the difference between URI, URL and URN? [duplicate]

...mething's identity, while the URL provides a location. Essentially, "what" vs. "where". A URN has to be of this form <URN> ::= "urn:" <NID> ":" <NSS> where <NID> is the Namespace Identifier, and <NSS> is the Namespace Specific String. To put it differently: A UR...
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How to compare variables to undefined, if I don’t know whether they exist? [duplicate]

In JavaScript you can declare a variable and if it’s undefined , you can check variable == undefined ; I know that, but how can you compare a value that you don’t know yet if it’s in memory? ...
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Apache shows PHP code instead of executing it

...tpd.conf and php.ini files like everyone says. I then created a simple PHP script: 26 Answers ...
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MVC 4 Razor File Upload

... <input type="submit" value="Upload" class="save" id="btnid" /> } script file $(document).on("click", "#btnid", function (event) { event.preventDefault(); var fileOptions = { success: res, dataType: "json" } $("#formid").ajaxSubmit(fi...
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Change SQLite database mode to read-write

...ontaining the database file is also writable to the user executing the CGI script." I think this is because the engine needs to create more files in the directory. The whole filesystem might be read only, for example after a crash. On Unix systems, another process can replace the whole file. ...
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What are the differences between Abstract Factory and Factory design patterns?

...tly: the main difference between these two patterns is the old composition vs inheritance debate. UML diagrams can be found in the (GoF) book. I want to provide code examples, because I think combining the examples from the top two answers in this thread will give a better demonstration than either...
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What is difference between functional and imperative programming languages?

... I see only the difference in async vs. sync. – Vladimir Vukanac Mar 25 '19 at 14:17 ...