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How can I safely encode a string in Java to use as a filename?
... len = s.length();
StringBuilder sb = new StringBuilder(len);
for (int i = 0; i < len; i++) {
char ch = s.charAt(i);
if (ch < ' ' || ch >= 0x7F || ch == fileSep || ... // add other illegal chars
|| (ch == '.' && i == 0) // we don't want to collide with "." or ".."!
...
Start a git commit message with a hashmark (#)
...
answered May 7 '10 at 12:55
CB BaileyCB Bailey
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...
How do I convert Long to byte[] and back in java
...
public static byte[] longToBytes(long x) {
buffer.putLong(0, x);
return buffer.array();
}
public static long bytesToLong(byte[] bytes) {
buffer.put(bytes, 0, bytes.length);
buffer.flip();//need flip
return buffer.getLong();
}
}
Since...
Custom Cell Row Height setting in storyboard is not responding
...|
edited Feb 11 '14 at 21:01
answered Mar 27 '12 at 21:49
p...
IntelliJ does not show 'Class' when we right click and select 'New'
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Arnaud DenoyelleArnaud Denoyelle
24.4k1010 gold badges6666 silver badges119119 bronze badges
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How to remove duplicate white spaces in string using Java?
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edited Oct 29 '16 at 4:20
answered Oct 18 '10 at 12:13
ai...
How to check if a path is absolute path or relative path in cross platform way with Python?
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answered Jul 23 '10 at 16:47
Donald MinerDonald Miner
34.6k66 gold badges8484 silver badges108108 bronze badges
...
What's the function like sum() but for multiplication? product()?
...in the math module:
>>> import math
>>> math.factorial(10)
3628800
Alternative with logarithms
If your data consists of floats, you can compute a product using sum() with exponents and logarithms:
>>> from math import log, exp
>>> data = [1.2, 1.5, 2.5, 0.9, 14...
Cannot add or update a child row: a foreign key constraint fails
...
– Brian Driscoll
Feb 15 '11 at 15:20
Hmm... it's definitely not a good idea to mix named parameters with unnamed para...