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What are the use(s) for tags in Go?

...indJSON(&json); err != nil { c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()}) return } the binding tag in this example gives hint to gin package that the data sent to API must have user and password fields cause these fields are tagged as required. So generraly tags are da...
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Return XML from a controller's action in as an ActionResult?

...ms, unless you're working on 11 year old computing systems that exhibit an error. – Drew Noakes Apr 17 '13 at 10:40 1 ...
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isset() and empty() - what to use

... Just check whether it is empty, php won't throw an error if this is not the case. – Pez Cuckow Aug 25 '11 at 13:59 3 ...
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Can you attach a UIGestureRecognizer to multiple views?

... Swift? – Maxi Mus Apr 12 '16 at 11:05  |  show 1 more comment ...
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Simpler way to put PDB breakpoints in Python code?

Just a convenience question. I've been a bit spoiled with debuggers in IDEs like Visual Studio and XCode. I find it a bit clumsy to have to type import pdb; pdb.set_trace() to set a breakpoint (I'd rather not import pdb at the top of the file as I might forget and leave it in). ...
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Evaluate expression given as a string

...l(parse(text="gray"))) [1] "function" > class(eval(parse(text="blue"))) Error in eval(expr, envir, enclos) : object 'blue' not found See also tryCatch. share | improve this answer | ...
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In php, is 0 treated as empty?

... just add an @strlen to omit the error log, just in case... to not create a big log – Miguel Jun 8 '15 at 12:06 ...
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nginx - nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)

All of a sudden I am getting the below nginx error 17 Answers 17 ...
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Location of my.cnf file on macOS

...ine [mysqld] sql_mode = STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION You can sudo touch /{preferred-path}/my.cnf then edit the file to add sql mode by sudo nano /{preferred-path}/my.cnf Then restart mysql, voilaah you a...
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Solving a “communications link failure” with JDBC and MySQL [duplicate]

I'm trying to connect to the local MySQL server but I keep getting an error. 25 Answers ...