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Why are preprocessor macros evil and what are the alternatives?

...can't be debugged. When you have a macro that translates to a number or a string, the source code will have the macro name, and many debuggers, you can't "see" what the macro translates to. So you don't actually know what is going on. Replacement: Use enum or const T For "function-like" macros,...
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Performing Inserts and Updates with Dapper

...using (IDbConnection db = new SqlConnection(ConfigurationManager.ConnectionStrings["myDbConnection"].ConnectionString)) { string insertQuery = @"INSERT INTO [dbo].[Customer]([FirstName], [LastName], [State], [City], [IsActive], [CreatedOn]) VALUES (@FirstName, @LastName, @State, @City, @IsActive...
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In AngularJS, what's the difference between ng-pristine and ng-dirty?

...ss cognitive step to comprehend than !ng-hide. your brain needs to do that extra step and thus you more likely to introduce bugs – Damian Green Aug 20 '14 at 8:32 ...
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Android- create JSON Array and JSON Object

...entsObj = new JSONObject(); studentsObj.put("Students", jsonArray); String jsonStr = studentsObj.toString(); System.out.println("jsonString: "+jsonStr); share | improve this answer ...
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What are the differences between utf8_general_ci and utf8_unicode_ci? [duplicate]

...tf8_general_ci is fine only for Russian and Bulgarian subset of Cyrillic. Extra letters used in Belarusian, Macedonian, Serbian, and Ukrainian are sorted not well. The cost of utf8_unicode_ci is that it is a little bit slower than utf8_general_ci. But that’s the price you pay for correctness...
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How can I get clickable hyperlinks in AlertDialog from a string resource?

...nes and colors any hyperlinks (defined using <a href="..."> in the string resource passed to Builder.setMessage ) supplied the links do not become clickable. ...
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pg_config executable not found

... I need the extra brew link postgresql – vincentlcy Mar 10 '16 at 8:56 1 ...
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How to parse JSON in Scala using standard Scala classes?

...pply(a:Any):Option[T] = Some(a.asInstanceOf[T]) } object M extends CC[Map[String, Any]] object L extends CC[List[Any]] object S extends CC[String] object D extends CC[Double] object B extends CC[Boolean] val jsonString = """ { "languages": [{ "name": "English", ...
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How do I change the background color of a plot made with ggplot2

...m theme, based on theme_gray but with some of your changes and a few added extras including control of gridline colour/size (more options available to play with at ggplot2.org): theme_jack <- function (base_size = 12, base_family = "") { theme_gray(base_size = base_size, base_family = base_f...
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Differences between numpy.random and random.random in Python

...nd any evidence to the contrary). The numpy.random library contains a few extra probability distributions commonly used in scientific research, as well as a couple of convenience functions for generating arrays of random data. The random.random library is a little more lightweight, and should be fi...