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Replace all 0 values to NA
... or cor, that is actually equivalent to first replacing zeroes with NA and setting the value of use as "complete.obs". Typically, however, this is unsatisfactory as it leads to extra information loss.
2. Instead of running some sort of loop, in the solution I use df == 0 vectorization. df == 0 retu...
Ant: How to execute a command for each file in directory?
I want to execute a command from an Ant buildfile, for each file in a directory.
I am looking for a platform-independent solution.
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Create subdomains on the fly with .htaccess (PHP)
...riate data
The long version
1. Create a wildcard DNS entry
In your DNS settings you need to create a wildcard domain entry such as *.example.org. A wildcard entry looks like this:
*.example.org. 3600 A 127.0.0.1
2. Include the wildcard in vhost
Next up in the Apache configuration you nee...
Bitwise operation and usage
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One typical usage:
| is used to set a certain bit to 1
& is used to test or clear a certain bit
Set a bit (where n is the bit number, and 0 is the least significant bit):
unsigned char a |= (1 << n);
Clear a bit:
unsigned char b &= ~(1 &...
Is using Random and OrderBy a good shuffle algorithm?
...d/Knuth achieve O(n) not by assignment, but by selection from a decreasing set and swapping. This way the random number selected may repeat and the algorithm only takes O(n).
– tvanfosson
Aug 17 '09 at 12:18
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What is copy-on-write?
I would like to know what copy-on-write is and what it is used for? The term 'copy-on-write array' is mentioned several times in the Sun JDK tutorials but I didn't understand what it meant.
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Export database schema into SQL file
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In the picture you can see. In the set script options, choose the last option: Types of data to script you click at the right side and you choose what you want.
This is the option you should choose to export a schema and data
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puts vs logger in rails rake tasks
... uncommon to run rake tasks with cron.
– Johannes Gorset
Mar 15 '13 at 14:14
2
True. If you want ...
Common programming mistakes for Clojure developers to avoid [closed]
...arper suggests using sequence implementation constructors (array-map, hash-set, vector) like so:
(#(array-map %1 %2) :a 1)
while Dan shows that you can use the identity function to unwrap the outer parenthesis:
(#(identity {%1 %2}) :a 1)
Brian's suggestion actually brings me to my next mistake...
Create Generic method constraining T to an Enum
...Add(item, Enum.GetName(typeof(T), item));
return result;
}
Be sure to set your language version in your C# project to version 7.3.
Original Answer below:
I'm late to the game, but I took it as a challenge to see how it could be done. It's not possible in C# (or VB.NET, but scroll down for F#)...