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What is “2's Complement”?
...t a nibble - 1/2 a byte).
0000 - zero
0001 - one
0010 - two
0011 - three
0100 to 0111 - four to seven
That's as far as we can go in positives. 23-1 = 7.
For negatives:
1111 - negative one
1110 - negative two
1101 - negative three
1100 to 1000 - negative four to negative eight
Note that you get o...
How to check if a class inherits another class without instantiating it? [duplicate]
...0
AniAni
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How to get a list of all valid IP addresses in a local network? [closed]
...can try something like nmap -sn 192.168.1.0/24 or nmap -sn 192.168.1.100-199
– Stickley
Aug 10 '16 at 19:19
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Reference: Comparing PHP's print and echo
...ce should one wish to use print in a conditional expression. Why 1 and not 100? Well in PHP the truthiness of 1 or 100 is the same, i.e. true, whereas 0 in a boolean context equates as a false value. In PHP all non-zero values (positive and negative) are truthy values and this derives from PHP's Pe...
Is this a “good enough” random algorithm; why isn't it used if it's faster?
...);
int[] frequencies = new int[10];
for (int i = 0; i < 100000; i++) {
frequencies[(int) (qr.random() * 10)]++;
}
printDistribution("QR", frequencies);
frequencies = new int[10];
for (int i = 0; i < 100000; i++) {
frequen...
Get Bitmap attached to ImageView
...teArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.JPEG, 100, stream);
return stream.toByteArray();
}
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How to get Time from DateTime format in SQL?
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Try this:
select convert(nvarchar,CAST(getdate()as time),100)
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How to resize Image in Android?
...ream ostream = new FileOutputStream(file);
bm.compress(CompressFormat.PNG, 100, ostream);
ostream.close();
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SQL - Rounding off to 2 decimal places
...DECLARE @porcentaje FLOAT
SET @porcentaje = (CONVERT(DECIMAL,ABS(8700)) * 100) / CONVERT(DECIMAL,ABS(37020))
SELECT @porcentaje
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Supervisor socket error issue [closed]
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192.168.111.100:9001 refused connection
– Charlesliam
Jun 5 '14 at 8:08
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