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Running PostgreSQL in memory only
I want to run a small PostgreSQL database which runs in memory only, for each unit test I write. For instance:
8 Answers
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nodejs require inside TypeScript file
... of default definitions for window, document and such specified in a file called lib.d.ts. If I do a grep for require in this file I can find no definition of a function require. Hence, we have to tell the compiler ourselves that this function will exist at runtime using the declare syntax:
declare...
How to create Android Facebook Key Hash?
I do not understand this process at all. I have been able to navigate to the folder containing the keytool in the Java SDK. Although I keep getting the error openssl not recognised as an internal or external command. The problem is even if I can get this to work, what would I do and with what afterw...
How to use LINQ to select object with minimum or maximum property value
...use LINQ to query a list of Person objects for the one with the earliest/smallest DateOfBirth value.
15 Answers
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Is there a cross-domain iframe height auto-resizer that works?
...to their content. It uses the PostMessage and MutationObserver APIs, with fall backs for IE8-10. It also has options for the content page to request the containing iFrame is a certain size and can also close the iFrame when your done with it.
https://github.com/davidjbradshaw/iframe-resizer
2. Use E...
Preserve line endings
... run sed to do some substitution on windows and I noticed that it automatically converts line endings to Unix (\n). Is there an option to tell sed to use Windows line endings (\r\n) or even better to preserve the line endings from the file?
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Finding duplicates in O(n) time and O(1) space
... This is amazing! I've seen a number of variants on this question, usually more constrained, and this is the most general way to solve it that I've seen. I'll simply mention that changing the print statement to print i turns this into a solution to stackoverflow.com/questions/5249985/… and (...
Creating a byte array from a stream
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It really depends on whether or not you can trust s.Length. For many streams, you just don't know how much data there will be. In such cases - and before .NET 4 - I'd use code like this:
public static byte[] ReadFully(Stream inpu...
How can I get a resource content from a static context?
... setText on widgets, so how can I do that without an activity object to call getResources() on?
14 Answers
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Double not (!!) operator in PHP
...ings or empty arrays) you will get the boolean value FALSE.
It is functionally equivalent to a cast to boolean:
return (bool)$row;
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