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How can I pad an integer with zeros on the left?
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Use java.lang.String.format(String,Object...) like this:
String.format("%05d", yournumber);
for zero-padding with a length of 5. For hexadecimal output replace the d with an x as in "%05x".
The full formatting options are documented as part of java.util.Formatter.
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How to calculate a mod b in Python?
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answered Jun 13 '09 at 16:59
eduffyeduffy
34.1k99 gold badges9090 silver badges8989 bronze badges
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How does one make a Zip bomb?
...ompressed data, containing nine
layers of nested zip files in sets of
10, each bottom layer archive
containing a 1.30 gigabyte file for a
total of 1.30 exabytes of uncompressed
data.
So all you need is one single 1.3GB file full of zeroes, compress that into a ZIP file, make 10 copies, p...
[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...
...imary: #222222;
--secondary: #ffffff;
--tertiary: #0088cc;
--quaternary: #e45735;
--highlight: #ffff4d;
--success: #009900;
}
}
/* then deal with dark scheme */
@media (prefers-color-scheme: dark) {
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if, elif, else statement issues in Bash
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460
There is a space missing between elif and [:
elif[ "$seconds" -gt 0 ]
should be
elif [ "$sec...
How to get the unix timestamp in C#
...estamp in C# by using DateTime.UtcNow and subtracting the epoch time of 1970-01-01.
e.g.
Int32 unixTimestamp = (Int32)(DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalSeconds;
DateTime.UtcNow can be replaced with any DateTime object that you would like to get the unix timestamp for.
Th...
Algorithm to return all combinations of k elements from n
...me across is of course memory and pretty quickly, you'll have problems by 20 elements in your set -- 20C3 = 1140. And if you want to iterate over the set it's best to use a modified gray code algorithm so you aren't holding all of them in memory. These generate the next combination from the previous...
Plot logarithmic axes with matplotlib in python
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404
You can use the Axes.set_yscale method. That allows you to change the scale after the Axes obje...
How do I prevent a Gateway Timeout with FastCGI on Nginx
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edited Aug 5 '14 at 20:22
undur_gongor
14.4k44 gold badges5656 silver badges7070 bronze badges
answ...
How do I update if exists, insert if not (AKA “upsert” or “merge”) in MySQL?
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edited Jul 15 at 20:25
answered Aug 2 '09 at 13:35
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