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Fastest sort of fixed length 6 int array
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Rank Order with registers 127.45 104.65 53.79 98.05 97.95
Sorting Networks (Daniel Stutzbach) 269.77 130.56 128.15 126.70 127.30
Sorting Networks (Paul R) 551.64 103.20 64.57 73.68 73.51
Sorting Networks 12 with Fast Swap ...
Getting a File's MD5 Checksum in Java
...eInputStream? Sounds like you used FileInputStream, which would cause this error.
– erickson
Dec 17 '12 at 17:16
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How do I verify/check/test/validate my SSH passphrase?
... ssh-add requires admin rights on the machine, I think. I am getting an error: "Could not open a connection to your authentication agent."
– IgorGanapolsky
Feb 12 '14 at 21:15
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Setting up FTP on Amazon Cloud Server [closed]
...hat means that after rebooting your EC2 instance, you'll feel a moment of terror when FTP seems to be broken - but in reality, it's just not running!. Here's a handy way to fix that:
> sudo chkconfig --level 345 vsftpd on
Alternatively, if you are using redhat, another way to manage your serv...
Why does this method print 4?
I was wondering what happens when you try to catch an StackOverflowError and came up with the following method:
7 Answers
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difference between foldLeft and reduceLeft in Scala
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For reference, reduceLeft will error if applied to an empty container with the following error.
java.lang.UnsupportedOperationException: empty.reduceLeft
Reworking the code to use
myList foldLeft(List[String]()) {(a,b) => a+b}
is one potential op...
Can pandas automatically recognize dates?
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Did not work for me, I got the following error: TypeError: strptime() argument 1 must be str, not float
– Jean Paul
May 4 '17 at 12:36
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How to concatenate strings of a string field in a PostgreSQL 'group by' query?
... ') AS semi_colon_separated_names FROM things;
But this will be a syntax error:
SELECT string_agg(name, '; ' ORDER BY name) AS semi_colon_separated_names FROM things;
--> ERROR: syntax error at or near "ORDER"
Tested on PostgreSQL 8.3.
CREATE FUNCTION string_agg_transfn(text, text, text)
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django admin - add custom form fields that are not part of the model
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@sthzg, Because it's not correct. It gives me the error: YourModelAdmin.list_display[0], 'extra_field' is not a callable or an attribute of 'YourModelAdmin' or found in the model 'YourModel'.
– Cerin
Jun 13 '16 at 15:39
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Using node.js as a simple web server
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Note that fs.exists() is also deprecated now. Catch the error on the fs.stat() rather than creating a race condition.
– Matt
Feb 1 '17 at 5:26
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