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Should switch statements always contain a default clause?
...oding is not only about handling some cases. Also it serves as a document. By writing default: and commenting like // Do nothing or something else, readability of code becomes better.
– JongAm Park
Jun 30 '15 at 15:37
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Who sets response content-type in Spring MVC (@ResponseBody)
... @Hurda: Obviously you can specify any content type that you wish by changing the value of the produces attribute.
– Jonik
May 28 '13 at 8:58
1
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How can I check that a form field is prefilled correctly using capybara?
...ther than a form field. For anybody else having the same problem, use find_by_id().text rather than find_field().value. It took me ages to spot that value only worked on form fields…
– John Y
Sep 8 '12 at 14:40
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Can I find out the return value before returning while debugging in Visual Studio?
...ot that I know of. Note that if you do add a variable, it will get removed by the compiler in release builds anyway...
Update:
This functionality has been added to VS2013.
You can see the return values in the autos windows or use $ReturnValue in the watch/immediate window.
The value can only be se...
Drawing a dot on HTML5 canvas [duplicate]
...e data of the canvas to do pixel drawing.
var canvas = document.getElementById("myCanvas");
var canvasWidth = canvas.width;
var canvasHeight = canvas.height;
var ctx = canvas.getContext("2d");
var canvasData = ctx.getImageData(0, 0, canvasWidth, canvasHeight);
// That's how you define the value of...
How can I create a correlation matrix in R?
...uare of the Pearson correlation coefficient. So all you need is multiply M by M (multiply correlation matrix by itself), before creating the plot.
– Jot eN
Jan 23 '15 at 11:42
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javascript regex - look behind alternative?
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Look ahead is available since version 1.5 of javascript and is supported by all major browsers
Updated to match filename2.js and 2filename.js but not filename.js
(^(?!filename\.js$).).+\.js
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How to call getClass() from a static method in Java?
...s are provided in other answers, but they have downsides such as inflating bytecode or adding runtime introspection. I don't recommend these. Copy-paste is an editor concern, so an editor solution is most appropriate.
In IntelliJ, I recommend adding a Live Template:
Use "log" as the abbreviatio...
How to use the CancellationToken property?
....Write("345");
}
}
That's it. You always need to handle cancellation by yourself - exit from method when it is appropriate time to exit (so that your work and data is in consistent state)
UPDATE: I prefer not writing while (!cancelToken.IsCancellationRequested) because often there are few exi...
Checkstyle vs. PMD
... Checkstyle to automatically enforce them results in code that is readable by all.
– John Tobler
Nov 3 '11 at 21:53
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