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RegEx to find two or more consecutive chars

...{2} without the comma should also work, right? – Alexander Mills Sep 6 '18 at 21:09 16 Alexander,...
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What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DA

I'm trying to brush up on my design pattern skills, and I'm curious what are the differences between these patterns? All of them seem like they are the same thing - encapsulate the database logic for a specific entity so the calling code has no knowledge of the underlying persistence layer. From m...
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What is a NullReferenceException, and how do I fix it?

I have some code and when it executes, it throws a NullReferenceException , saying: 28 Answers ...
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Why does flowing off the end of a non-void function without returning a value not produce a compiler

... C99 and C++ standards don't require functions to return a value. The missing return statement in a value-returning function will be defined (to return 0) only in the main function. The rationale includes that checking if every c...
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How to retrieve form values from HTTPPOST, dictionary or?

... controller action take an object which would reflect the form input names and the default model binder will automatically create this object for you: [HttpPost] public ActionResult SubmitAction(SomeModel model) { var value1 = model.SimpleProp1; var value2 = model.SimpleProp2; var value...
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is there a css hack for safari only NOT chrome?

... both webkit browsers but im having problems with div alignments in chrome and safari, each displays differently. 18 Answer...
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How to deploy an ASP.NET Application with zero downtime

... You need 2 servers and a load balancer. Here's in steps: Turn all traffic on Server 2 Deploy on Server 1 Test Server 1 Turn all traffic on Server 1 Deploy on Server 2 Test Server 2 Turn traffic on both servers Thing is, even in this case yo...
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Find the max of two or more columns with pandas

... You can get the maximum like this: >>> import pandas as pd >>> df = pd.DataFrame({"A": [1,2,3], "B": [-2, 8, 1]}) >>> df A B 0 1 -2 1 2 8 2 3 1 >>> df[["A", "B"]] A B 0 1 -2 1 2 8 2 3 1 >>> df[["A", "B"]].max(axis=1) 0...
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Can PHP PDO Statements accept the table or column name as parameter?

... Table and Column names CANNOT be replaced by parameters in PDO. In that case you will simply want to filter and sanitize the data manually. One way to do this is to pass in shorthand parameters to the function that will execute th...
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Rails 4 LIKE query - ActiveRecord adds quotes

... Your placeholder is replaced by a string and you're not handling it right. Replace "name LIKE '%?%' OR postal_code LIKE '%?%'", search, search with "name LIKE ? OR postal_code LIKE ?", "%#{search}%", "%#{search}%" ...