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An algorithm for inflating/deflating (offsetting, buffering) polygons
...sn't encumbered with tricky licence issues :). Edge offsetting is achieved by generating unit normals for all the edges. Edge joins are tidied by my polygon clipper since the orientations of these overlapped intersections are opposite the orientation of the polygons. Holes are most certainly handled...
Traits vs. interfaces
... PHP. A Trait is intended to reduce some limitations of single inheritance by enabling a developer to reuse sets of methods freely in several independent classes living in different class hierarchies.
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How do I increase the number of displayed lines of a Java stack trace dump?
...frames from the bottom of the stack trace of the exception that was caused by this exception (the "enclosing" exception).
This shorthand can greatly reduce the length of the output in the common case where a wrapped exception is thrown from same method as the "causative exception" is caught.
In oth...
What is the difference between JSF, Servlet and JSP?
...(like HTML, CSS, JavaScript, ect.). JSP supports taglibs, which are backed by pieces of Java code that let you control the page flow or output dynamically. A well-known taglib is JSTL. JSP also supports Expression Language, which can be used to access backend data (via attributes available in the pa...
Select row with most recent date per user
... WHERE t2.user = t1.user
ORDER BY t2.id DESC
LIMIT 1)
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Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
When you limit the number of rows to be returned by a SQL query, usually used in paging, there are two methods to determine the total number of records:
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How to start an Intent by passing some parameters to it?
... imageUploader: {
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...
Is MD5 still good enough to uniquely identify files?
... still vanishingly small. Just be sure that the files aren't being created by someone you don't trust and who might have malicious intent.
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I am getting Failed to load resource: net::ERR_BLOCKED_BY_CLIENT with Google chrome
... browser or uninstall the ad blocking plugin (right clicking the extension by the URL bar and clicking "Remove from Chrome...").
There is an easier way to temporarily disable an extension. In Chrome, opening an Incognito tab will usually stop extensions running (unless you have specifically told Ch...
How can building a heap be O(n) time complexity?
...rty:
siftDown swaps a node that is too small with its largest child (thereby moving it down) until it is at least as large as both nodes below it.
siftUp swaps a node that is too large with its parent (thereby moving it up) until it is no larger than the node above it.
The number of operations req...