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Subscripts in plots in R
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If you are looking to have multiple subscripts in one text then use the star(*) to separate the sections:
plot(1:10, xlab=expression('hi'[5]*'there'[6]^8*'you'[2]))
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What is a web service endpoint?
... have multiple endpoints, for example in order to make it available using different protocols.
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What is a stack trace, and how can I use it to debug my application errors?
...essionImpl.java:689)
at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.hibernate.context.ThreadLocalSessionContext$Transact...
What version of javac built my jar?
... file, and it could have been built in any one of three JDKs. We need to know exactly which one, so we can certify compatibility. Is the compiler version embedded somewhere in the class files or jar?
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Postgresql aggregate array
...ent s
LEFT JOIN Grade g ON g.Student_id = s.Id
GROUP BY s.Id
By the way, if you are using Postgres 9.1, you don't need to repeat the columns on SELECT to GROUP BY, e.g. you don't need to repeat the student name on GROUP BY. You can merely GROUP BY on primary key. If you remove the primary key on s...
How to generate a random int in C?
... bigger reason is that the properties of rand() and functions like it are known best for the use case where they are seeded exactly once per run, and not on every single call. Depending on "randomness" with untested or unproven properties leads to trouble.
– RBerteig
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Ternary Operator Similar To ?:
... code was to be more concise in not having a temporary val for a following if-statement: Do it intelligible in one line, just like one have it in mind.
– Peter Schmitz
Feb 9 '11 at 22:48
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Mac OS X - EnvironmentError: mysql_config not found
...nstalling python-dev and libmysqlclient-dev also helped, however I do not know if these packages are available on Mac OS.
Note2: Also, make sure to try running the commands as root.
I got my answers from (besides my brain) these places (maybe you could have a look at them, to see if it would help)...
Resharper- Find all unused classes
...mber is never used" under "Redundancies in Symbol Declarations". Not sure if this is due to version change, or I am looking at it differently.
– bulltorious
May 30 '12 at 17:12
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How to get image height and width using java?
...* @return dimensions of image
* @throws IOException if the file is not a known image
*/
public static Dimension getImageDimension(File imgFile) throws IOException {
int pos = imgFile.getName().lastIndexOf(".");
if (pos == -1)
throw new IOException("No extension for file: " + imgFile.getAbs...