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How to merge a list of lists with same type of items to a single list of items?
... @SwimBikeRun SelectMany is used to take an IEnumerable of TSources, convert each TSource in the list into an IEnumerable of TResults, then concatenate all those IEnumerables into one big one. In this case you have a list of lists to start, so if you want to concatenate them the function to ma...
Boolean vs tinyint(1) for boolean values in MySQL
...ies the semantic meaning of what you're trying to do. Also, many ORMs will convert bool into your programing language's native boolean type.
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Do I have to guard against SQL injection if I used a dropdown?
... can validate that the POST value contains an integer, and use an array to convert that to text when needed. E.g:
<?php
// No, you don't need to specify the numbers in the array but as we're using them I always find having them visually there helpful.
$sizes = array(0 => 'All', 1 => 'Large...
curl_exec() always returns false
...com/api
Every time I tried to access the link directly from a browser it converted to something likehttps://www.xn--eexample-0m3d.com/api.
It may seem to you that they are equal but if you check the encoding of the hyphens here you'll see that the first hyphen is a unicode characters U+2010 and t...
How is Generic Covariance & Contra-variance Implemented in C# 4.0?
...resents a method which takes a T parameter. It would be nice to be able to convert seamlessly use an Action<object> as an Action<string> - any method which takes an object parameter is going to be fine when it's presented with a string instead. Of course, C# 2 already has covariance and ...
Sending email through Gmail SMTP server with C#
...anyone who runs into this post! (I used VB.NET but I think it's trivial to convert it to any .NET language.)
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How to execute IN() SQL queries with Spring's JDBCTemplate effectivly?
...StatementSetter with all parameters in sequence. Just add below snippet to convert the query in traditional form based to available parameters,
ParsedSql parsedSql = NamedParameterUtils.parseSqlStatement(namedSql);
List<Integer> parameters = new ArrayList<Integer>();
for (A a : paramBe...
Formatting a number with exactly two decimals in JavaScript
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This is a bad idea in most situations, it converts the number to a string or float point number in some cases.
– Ash Blue
Jun 20 '12 at 15:19
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Mechanisms for tracking DB schema changes [closed]
...a database-specific flavour of SQL. Your Ruby migration code ends up being converted into the DDL specific to your current database; this makes switching database platforms very easy.
For every change you make to the database, you write a new migration. Migrations typically have two methods: an "u...
jQuery selector for the label of a checkbox
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Use .text() to convert object to string: alert($("label[for='comedyclubs']").text());
– Loren
Dec 12 '12 at 18:56
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