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How do I print bold text in Python?
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Your right, there's been an update. Sorry about that guys.
– Olu Smith
May 25 at 6:30
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Safe String to BigDecimal conversion
...his String: "1,000,000,000.999999999999999" and I want to get a BigDecimal out of it. What is the way to do it?
9 Answers
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What is “String args[]”? parameter in main method Java
...MyProgram one two then args will contain ["one", "two"].
If you wanted to output the contents of args, you can just loop through them like this...
public class ArgumentExample {
public static void main(String[] args) {
for(int i = 0; i < args.length; i++) {
System.out.pr...
Evenly distributing n points on a sphere
...d a sphere for N points (less than 20, probably) that vaguely spreads them out. There's no need for "perfection", but I just need it so none of them are bunched together.
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Java Serializable Object to Byte Array
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Prepare the byte array to send:
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ObjectOutputStream out = null;
try {
out = new ObjectOutputStream(bos);
out.writeObject(yourObject);
out.flush();
byte[] yourBytes = bos.toByteArray();
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} finall...
Why does substring slicing with index out of range work?
...! 'example'[3:4] and 'example'[3] are fundamentally different, and slicing outside the bounds of a sequence (at least for built-ins) doesn't cause an error.
It might be surprising at first, but it makes sense when you think about it. Indexing returns a single item, but slicing returns a subsequenc...
Convert string[] to int[] in one line of code using LINQ
...nvertAll(arr, s => int.Parse(s));
Thanks to Marc Gravell for pointing out that the lambda can be omitted, yielding a shorter version shown below:
int[] myInts = Array.ConvertAll(arr, int.Parse);
A LINQ solution is similar, except you would need the extra ToArray call to get an array:
int[] ...
Create a GUID in Java
...lso worth noting that on some (e.g. virtualized) platforms, the OS can run out of entropy. There are "dodgy hacks" to workaround this, but they entail degrading the quality of the entropy.
– Stephen C
Sep 14 '17 at 1:27
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Convert pandas dataframe to NumPy array
... Better Consistency: to_numpy()
In the spirit of better consistency throughout the API, a new method to_numpy has been introduced to extract the underlying NumPy array from DataFrames.
# Setup.
df = pd.DataFrame({'A': [1, 2, 3], 'B': [4, 5, 6]}, index=['a', 'b', 'c'])
df.to_numpy()
array([[1, 4],
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Iterating through a list in reverse order in java
...ator(a.size());
// Iterate in reverse.
while(li.hasPrevious()) {
System.out.println(li.previous());
}
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