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How can I get the current stack trace in Java?
...ed May 12 '19 at 14:15
David Newcomb
9,71833 gold badges3838 silver badges5353 bronze badges
answered Jul 1 '09 at 13:15
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An algorithm for inflating/deflating (offsetting, buffering) polygons
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In the GIS world one uses negative buffering for this task:
http://www-users.cs.umn.edu/~npramod/enc_pdf.pdf
The JTS library should do this for you. See the documentation for the buffer operation: http://tsusiatsoftware.net/jts/javadoc/com/vividsolutions/jts/operation/buffer/package-...
How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...Alpha = 0.4;
ctx.drawImage(img, x, y);
ctx.restore()
};
img.src = "http://...";
Notes:
Set the 'src' last, to guarantee that your onload handler is called on all platforms, even if the image is already in the cache.
Wrap changes to stuff like globalAlpha between a save and restore (in fa...
Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
...to StringBuilderConcat, StringBuilderArrayPush and StringBuilderArrayIndex http://jsperf.com/string-concat-without-sringbuilder/5 Please go there and run tests so we can get a nice sample. Note that I fixed a small bug, so the data for the tests got wiped, I will update the table once there's enough...
How can I check if a Perl array contains a particular value?
I am trying to figure out a way of checking for the existence of a value in an array without iterating through the array.
1...
jQuery's jquery-1.10.2.min.map is triggering a 404 (Not Found)
...cemap functionality.
Fix: get the files
Next, it's an easy fix. Head to http://jquery.com/download/ and click the Download the map file link for your version, and you'll want the uncompressed file downloaded as well.
Having the map file in place allows you do debug your minified jQuery via the...
apc vs eaccelerator vs xcache
...ghest quality.
Plus you get some other nifty features I use all the time (http://www.php.net/apc).
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Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)
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Dashes don't need to be removed from HTTP request as you can see in URL of this thread.
But if you want to prepare well-formed URL without dependency on data you should use URLEncoder.encode( String data, String encoding ) instead of changing standard form of yo...
Variable name as a string in Javascript
...erstand the code, but generally the OP question is used for something more complex as dynamic assignations where you can select the variable from a generated string. Or where simply creating a dictionary to print a value is overkill.
– htafoya
Apr 20 '18 at 13:...
How to read and write into file using JavaScript?
... with the times here's the node.js documentation for the FileSystem class: http://nodejs.org/docs/latest/api/fs.html
Edit(2): You can read files client side now with HTML5: http://www.html5rocks.com/en/tutorials/file/dndfiles/
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