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What is the use of “ref” for reference-type variables in C#?
...
Very nicely explained here :
http://msdn.microsoft.com/en-us/library/s6938f28.aspx
Abstract from the article:
A variable of a reference type does not contain its data directly; it
contains a reference to its data. When you pass a reference-type
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How to create a generic array in Java?
...variable, making it not much different from (E[])new Object[n]. Please see http://ideone.com/T8xF91. It is by no means more type safe than any other answer.
– Radiodef
Apr 6 '15 at 4:13
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Effect of a Bitwise Operator on a Boolean in Java
... of boolean type. I'd say for any other case the results are not defined:
http://java.sun.com/docs/books/jls/second_edition/html/expressions.doc.html#5228
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Code Golf - π day
...ion="1.0"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:msxsl="urn:schemas-microsoft-com:xslt" >
<xsl:output method="html"/>
<!-- Skip even lines -->
<xsl:template match="s[@y mod 2=0]">
&l...
How to see indexes for a database or table in MySQL?
...ation_schema.statistics
WHERE table_schema = 'sakila'
GROUP BY 1,2;
Ref: http://blog.9minutesnooze.com/mysql-information-schema-indexes/
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follo...
Detecting a mobile browser
...@Gajus pointed out, this solution is now deprecated and shouldn't be used (https://developer.mozilla.org/en-US/docs/Web/API/Window/orientation)
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Simplest way to do a recursive self-join?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Verify object attribute value with mockito
... .equals(employee.getName()))));
}
More info: http://source.coveo.com/2014/10/01/java8-mockito/
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Count number of lines in a git repository
... 20 unique files.
6 files ignored.
http://cloc.sourceforge.net v 1.62 T=0.22 s (62.5 files/s, 2771.2 lines/s)
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Language files blank comment ...
How can foreign key constraints be temporarily disabled using T-SQL?
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http://www.sqljunkies.com/WebLog/roman/archive/2005/01/30/7037.aspx
-- Disable all table constraints
ALTER TABLE MyTable NOCHECK CONSTRAINT ALL
-- Enable all table constraints
ALTER TABLE MyTable WITH CHECK CHECK CONSTRAI...