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What is in your .vimrc? [closed]
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This isn't in my .vimrc file, but yesterday I learned about the ]p command. This pastes the contents of a buffer just like p does, but it automatically adjusts the indent to match the line the cursor is on! This is excellent for moving cod...
System.currentTimeMillis vs System.nanoTime
...ould use System.currentTimeMillis() or System.nanoTime() when updating my object's positions in my game? Their change in movement is directly proportional to the elapsed time since the last call and I want to be as precise as possible.
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What is the difference between printf() and puts() in C?
...ccepted answer doesn't mention it).
The essential difference between puts(mystr); and printf(mystr); is that in the latter the argument is interpreted as a formatting string. The result will be often the same (except for the added newline) if the string doesn't contain any control characters (%) bu...
Unresolved external symbol in object files
...ration, but not a definition.
Example:
// A.hpp
class A
{
public:
void myFunc(); // Function declaration
};
// A.cpp
// Function definition
void A::myFunc()
{
// do stuff
}
In your case, the definition cannot be found. The issue could be that you are including a header file, which brings i...
Detect blocked popup in Chrome
... I think I found a way to make this work for new versions of Chrome. See my answer for details.
– InvisibleBacon
Nov 8 '10 at 16:50
2
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Label encoding across multiple columns in scikit-learn
...'d rather just have one big LabelEncoder objects that works across all my columns of data.
21 Answers
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Using semicolon (;) vs plus (+) with exec in find
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ls testdir1; ls testdir2
vs
ls testdir1 testdir2
Doing the above in my shell mirrored the output in your question.
example of when you would want to use \+
Suppose two files, 1.tmp and 2.tmp:
1.tmp:
1
2
3
2.tmp:
0
2
3
With \;:
find *.tmp -exec diff {} \;
> diff: missing operand ...
How to safely upgrade an Amazon EC2 instance from t1.micro to large? [closed]
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From my experience, the way I do it is create a snapshot of your current image, then once its done you'll see it as an option when launching new instances. Simply launch it as a large instance at that point.
This is my approach ...
Postgresql 9.2 pg_dump version mismatch
...alled version(s) of pg_dump:
find / -name pg_dump -type f 2>/dev/null
My output was:
/usr/pgsql-9.3/bin/pg_dump
/usr/bin/pg_dump
There are two versions installed. To update pg_dump with the newer version:
sudo ln -s /usr/pgsql-9.3/bin/pg_dump /usr/bin/pg_dump --force
This will create the ...
Convert Unicode to ASCII without errors in Python
My code just scrapes a web page, then converts it to Unicode.
11 Answers
11
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