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Set environment variables on Mac OS X Lion
...ust add, one per line, the variable name and its value as follows:
export JAVA_HOME=/Library/Java/Home
export JRE_HOME=/Library/Java/Home
etc.
If you are modifying your "PATH" variable, be sure to include the system's default PATH that was already set for you:
export PATH=$PATH:/path/to/my/stuf...
Best programming based games [closed]
... to have a lot of fun coding my own robot with Robocode in college.
It is Java based, the API is detailled and it's pretty easy to get a challenging robot up and running.
Here is an example :
public class MyFirstRobot extends Robot {
public void run() {
while (true) {
...
How to convert an iterator to a stream?
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Javadoc: static.javadoc.io/com.google.guava/guava/21.0/com/google/common/…
– Henrik Aasted Sørensen
Aug 11 '17 at 6:22
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How can I format a String number to have commas and round?
...l.
For reference on other formatting options, see https://docs.oracle.com/javase/tutorial/java/data/numberformat.html
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Use tnsnames.ora in Oracle SQL Developer
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@Hellday5432 - Yes that is correct. SQL Dev runs on Java which doesn't understand shortcuts; for example when opening a file we cannot use a shortcut to jump to a directory.
– Kent Pawar
Apr 9 '14 at 15:39
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Difference between UTF-8 and UTF-16?
...e option.
See this page for more about UTF-8 and Unicode.
(Note that all Java characters are UTF-16 code points within the BMP; to represent characters above U+FFFF you need to use surrogate pairs in Java.)
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Algorithm to implement a word cloud like Wordle
...some N. Assign each word a font size proportional to its count. Generate a Java2D Shape for each word, using the Java2D API.
Each word "wants" to be somewhere, such as "at some random x position in the vertical center". In decreasing order of frequency, do this for each word:
place the word where ...
All combinations of a list of lists
...bit. I love how Python lets you put one semi-colon, just to help us ol' C/Java programmers. But it's clear ; is not really a statement terminator when you do something like print("foo");; which is perfectly legal in C or Java (albeit pointless) but banned in Python.
– Matthew...
What is the shortcut to Auto import all in Android Studio?
... to File -> Settings -> Editor -> General -> Auto Import -> Java and make the following changes:
change Insert imports on paste value to All
markAdd unambigious imports on the fly option as checked
On a Mac, do the same thing in Android Studio -> Preferences
After this, all ...
Initialising an array of fixed size in python [duplicate]
...oesn't waste space by padding its length. This is the Python equivalent of Java's
Object[] a = new Object[n];
If you're really interested in performance and space and know that your array will only store certain numeric types then you can change the dtype argument to some other value like int. Th...