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What does %~dp0 mean, and how does it work?

... Calling for /? in the command-line gives help about this syntax (which can be used outside FOR, too, this is just the place where help can be found). In addition, substitution of FOR variable references has been enhan...
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How do I initialize a byte array in Java?

...309d".toLowerCase()); The Guava method is overkill, when you are using small arrays. But Guava has also versions that can parse input streams. This is a nice feature when dealing with big hexadecimal inputs. share ...
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How to play a notification sound on websites?

.../div> Browser support <audio> (Modern browsers) <embed> (Fallback) Codes used MP3 for Chrome, Safari and Internet Explorer. OGG for Firefox and Opera. share | improve this answer...
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no new variables on left side of :=

...e is also a "short variable declaration" ( http://golang.org/ref/spec#Short_variable_declarations ) which means that in the left we need to have at least a new variable declaration for it to be correct. You can change the second to a simple assignment statement := -> = or you can use a new varia...
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How to use a variable to specify column name in ggplot

... "cumbersome"? Non-standard evaluation in R is ironically the most cumbersome "feature" I have ever encountered in a programming language. Truly maddening. – jessexknight Feb 4 at 18:10 ...
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Is an index needed for a primary key in SQLite?

...x be explicitly created for it as well? SQLite does not appear to automatically create an index for a primary key column, but perhaps it indexes it anyway, given its purpose? (I will be searching on that column all the time). ...
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Difference between object and class in Scala

...ompanion object of class C; note that the companion object is not automatically an instance of C. Also see Scala documentation for object and class. object as host of static members Most often, you need an object to hold methods and values/variables that shall be available without having to firs...
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Insert space before capital letters

...camelCase to Regular Form "thisStringIsGood" // insert a space before all caps .replace(/([A-Z])/g, ' $1') // uppercase the first character .replace(/^./, function(str){ return str.toUpperCase(); }) share ...
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How to create war files

...> </webinf> </war> </target> Deploy Finally, you can set up a task to deploy the WAR directly into your Tomcat deploy location: <target name="deploy"> <copy file="My.war" todir="${tomcat.deploydir}" /> </target> Click and go! Once all thi...
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Tablix: Repeat header rows on each page not working - Report Builder 3.0

... Static group until it highlights the leftmost column header. This is generally the first Static group listed. In the Properties window, set the RepeatOnNewPage property to True. Make sure that the KeepWithGroup property is set to After. The KeepWithGroup property specifies which group to whic...