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Name of this month (Date.today.month as name)
...h number. Is there a command to get the month name, or do I need to make a case to get it?
6 Answers
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What does .SD stand for in data.table in R
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.SD stands for something like "Subset of Data.table". There's no significance to the initial ".", except that it makes it even more unlikely that there will be a clash with a user-defined column name.
If this is your data.table:
DT = data.table(x=rep(c("a","b","c"),each=2), y=c(1,3), v=1:6)
set...
How to ignore xargs commands if stdin input is empty?
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For GNU xargs, you can use the -r or --no-run-if-empty option:
--no-run-if-empty
-r If the standard input does not contain any nonblanks, do not run the command. Normally, the command is run once even if there is no input. T...
Postgres: How to do Composite keys?
I cannot understand the syntax error in creating a composite key. It may be a logic error, because I have tested many varieties.
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Find files containing a given text
...e path to the file) for every file of type .php|.html|.js containing the case-insensitive string "document.cookie" | "setcookie"
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How can I plot with 2 different y-axes?
I would like superimpose two scatter plots in R so that each set of points has its own (different) y-axis (i.e., in positions 2 and 4 on the figure) but the points appear superimposed on the same figure.
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Remove whitespaces inside a string in javascript
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Probably because you forgot to implement the solution in the accepted answer. That's the code that makes trim() work.
update
This answer only applies to older browsers. Newer browsers apparently support trim() natively.
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Finding the author of a line of code in Mercurial
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On the command-line, you'd want to use hg annotate -u (-u can be combined with -n to get the local revision number, which might come in useful). Check hg help anno for more options.
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Does a break statement break from a switch/select?
I know that switch / select statements break automatically after every case. I am wondering, in the following code:
6 Ans...
Load Testing with AB … fake failed requests (length)
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Nevermind. The "length failure" merely indicates that about half the time the length of the response was different.
Since the contents are dynamic, it's probably the session identifier or something like that.
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