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R: rJava package install failing
When installing rJava using the install.packages("rJava") command I get the following error:
16 Answers
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sqlite database default time value 'now'
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98
according to dr. hipp in a recent list post:
CREATE TABLE whatever(
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timestamp D...
Error to run Android Studio
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Check if your Java JDK is installed correctly
dpkg --list | grep -i jdk
If not, install JDK
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update && sudo apt-get install oracle-java8-installer
After the installatio...
Real differences between “java -server” and “java -client”?
Is there any real practical difference between "java -server" and "java -client"?
11 Answers
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How to convert JSON to XML or XML to JSON?
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StaxManStaxMan
98.6k2828 gold badges184184 silver badges223223 bronze badges
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_DEBUG vs NDEBUG
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Yes it is a standard macro with the semantic "Not Debug" for C89, C99, C++98, C++2003, C++2011, C++2014 standards. There are no _DEBUG macros in the standards.
C++2003 standard send the reader at "page 326" at "17.4.2.1 Headers"
to standard C.
That NDEBUG is similar as This is the same as the...
C++0x has no semaphores? How to synchronize threads?
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someone should submit a proposal to the standards commitee
– user90843
Jun 6 '12 at 23:36
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Rotating a two-dimensional array in Python
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Consider the following two-dimensional list:
original = [[1, 2],
[3, 4]]
Lets br...
How to make Java honor the DNS Caching Timeout?
...n when cache times out. However, I couldn't figure out a way to do this in Java.
6 Answers
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How to get year, month, day, hours, minutes, seconds and milliseconds of the current moment in Java?
...th, day, hours, minutes, seconds and milliseconds of the current moment in Java? I would like to have them as Strings .
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