2011年2月2日 · I am using kill -3 command to see the JVM's thread dump in unix. But where can I find the output of this kill command? I am lost!!

2011年9月10日 · The java.util.concurrent.Lock.lockInterruptibly () method is interruptable, the far more common synchronized locking is not. As mentioned in the documentation, the ability to enumerate deadlocked threads is intended as a debugging aid and not as a means to recover in a production environment. In production it is probably safer to exit the whole process and restart.

2009年3月22日 · I use method getConnection() from java.sql.DriverManager. If the connection attemt takes too long I try to kill the corresponding thread by calling Thread.interrupt() but it doesn't influence the thread at all. The Thread.stop() works however, although oracle says it shouldn't work if interrupt() doesn't. I wonder how make it …

2019年9月25日 · I solved this using an approach outlined by three (four) main steps: Generate an AABB tree of the mesh triangle soup Use the AABB tree to subdivide regular bounding cubes whenever a cube intersects the mesh (fast intersection using AABB tree) forming an Octree. When subdivision reaches leaves, exact squared distances (cube centroid to triangle) are computed and a square root is taken of the ...

2020年8月19日 · C# has the ? ternary operator, like other C-style languages. However, this is not perfectly equivalent to IIf(); there are two important differences. To explain the first difference, the false-part argument for this IIf() call causes a DivideByZeroException, even though the boolean argument is True. IIf(true, 1, 1/0) IIf() is just a function, and like all …

2016年8月17日 · I have a quite untidy CSV-file with ; as field separator. In field 1 I have a name, and in field 3 OR 4 there are address details, separated by comma, with an unspecified number of entries, mostly

2015年7月13日 · You are getting errors because "EST" is not a valid timezone specification. It's an abbreviation that's often used when printing and displaying timezones. The index is printed as "2015-07-13 12:05:00 EST" because "EST" probably represents Eastern Standard Time in the United States. If you want to set the TZ environment variable to that timezone, you should use Sys.setenv() with Country/City ...

Anyone know if R has quote-like operators like Perl's qw() for generating character vectors?

2013年11月24日 · I want to read sdf file (containing many molecules) and return the weighted adjacency matrix of the molecule. Atoms should be treated as vertices and bond as edges. If i and j vertex are connected by