Posts by Sabão • 127 points

• 2

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  0

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  Q: Database variables are not added in $_SESSION array

  I am building a cart for an application. I want to add the name, quantity and price of the product inside the cart. For this, I do: In the header I include in the pages accessed by the client:…

  php mysql database query session

  asked 5 years, 1 month ago Sabão 127

• 4

  votes

  1

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  247

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  Q: Using replace in a character in the middle of a String to add text before and after the String

  I have this expression stored in a String: 1 * Math.pow(x, 3.0) + 4 * Math.pow(x, 2.0) + 1 * Math.pow(x, 1.0) + 27 However, I use a derivation library that only accepts the character ^ to make…

  java string regex replace

  asked 5 years, 2 months ago Sabão 127

• 0

  votes

  1

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  Q: How to know which link class to select with php

  I’m creating a website that has information from multiple vendors accessed by an administrator. To display vendor data, I have their names in a table by selecting them from a Mysql database. Taking…

  php mysql classes php-domdocument

  asked 5 years, 2 months ago Sabão 127

• 6

  votes

  2

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  3839

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  Q: How to remove a Key from a JSON

  Suppose the following JSON: {"id": 1, "preco": 100, "detalhe": "nenhum"} If I build an array with 100 of these objects and want to take the "detail" key from everyone, for example, it is possible…

  javascript json

  asked 5 years, 7 months ago Sabão 127