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Remove an entire column from a data.frame in R
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421
You can set it to NULL.
> Data$genome <- NULL
> head(Data)
chr region
1 chr1 CDS...
What does the number in parentheses shown after Unix command names in manpages mean?
For example: man(1) , find(3) , updatedb(2) ?
7 Answers
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Need for predictable random generator
... a player has 20% chance to get a critical hit with his sword. That means, 1 out of 5 hits should be critical. The problem is I got very bad real life results — sometimes players get 3 crits in 5 hits, sometimes none in 15 hits. Battles are rather short (3-10 hits) so it's important to get good ra...
how to schedule a job for sql query to run daily?
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165
Expand the SQL Server Agent node and right click the Jobs node in SQL Server Agent and select...
git - Your branch is ahead of 'origin/master' by 1 commit
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130
You cannot push anything that hasn't been committed yet. The order of operations is:
Make yo...
What Does 'Then' Really Mean in CasperJS
...r = require('casper').create();
casper.start();
casper.then(function step1() {
this.echo('this is step one');
});
casper.then(function step2() {
this.echo('this is step two');
});
casper.thenOpen('http://google.com/', function step3() {
this.echo('this is step 3 (google.com is loaded...
Mac OSX Lion DNS lookup order [closed]
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10 Answers
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Generate sql insert script from excel worksheet
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13 Answers
13
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