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Which version of Python do I have installed?
... Note: The interpreter may not use the same Python version as the one that runs your scripts. I think there's some circumstances where, by default, your interpreter is Python 3, but your scripts are run in Python 2 (need #!python3 as the first line).
– leewz
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What is the difference between supervised learning and unsupervised learning? [closed]
...d, which means that your examples must be labeled, or explicitly say which ones are faces and which ones aren't.
In an unsupervised algorithm your examples are not labeled, i.e. you don't say anything. Of course, in such a case the algorithm itself cannot "invent" what a face is, but it can try to ...
How can I get the external SD card path for Android 4.0+?
... I think you solution will give invalid folder name if original one contains capital letters like /mnt/SdCard
– Eugene Popovich
Dec 5 '12 at 7:23
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Adding a library/JAR to an Eclipse Android project
...th. Of course, there are at least 3 ways to add a third-party library, the one I use is the most elegant, in my humble opinion.
This will not work, however, for Android, whose Dalvik "JVM" cannot handle an ordinary Java-compiled class, but must have it converted to a special format. This does not h...
When to catch java.lang.Error?
In what situations should one catch java.lang.Error on an application?
16 Answers
16...
Is there a standard for storing normalized phone numbers in a database?
What is a good data structure for storing phone numbers in database fields? I'm looking for something that is flexible enough to handle international numbers, and also something that allows the various parts of the number to be queried efficiently.
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Equivalent of varchar(max) in MySQL?
...h this is that if you create a column of that size, you can only have that one column in your table. The MAX row size in MySql is 64k, so if you have a 64k column, that's all you get. This same constraint does not apply to Sql Server's varchar(max) column type.
– joshperry
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Is there a way to 'uniq' by column?
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If you want to retain the last one of the duplicates you could use
tac a.csv | sort -u -t, -r -k1,1 |tac
Which was my requirement
here
tac will reverse the file line by line
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What is the difference between task and thread?
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A task is something you want done.
A thread is one of the many possible workers which performs that task.
In .NET 4.0 terms, a Task represents an asynchronous operation. Thread(s) are used to complete that operation by breaking the work up into chunks a...
What do single quotes do in C++ when used on multiple characters?
...acter literals
(...) An ordinary character literal that contains more than
one c-char is a multicharacter literal . A multicharacter literal has type int and implementation-defined
value.
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