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how to get the current working directory's absolute path from irb
I'm running Ruby on Windows though I don't know if that should make a difference. All I want to do is get the current working directory's absolute path. Is this possible from irb? Apparently from a script it's possible using File.expand_path(__FILE__)
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How can I manipulate the strip text of facet_grid plots?
I'm wondering how I can manipulate the size of strip text in facetted plots. My question
is similar to a question on plot titles , but I'm specifically concerned with
manipulating not the plot title but the text that appears in facet titles (strip_h).
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how to “reimport” module to python then code be changed after import
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For Python 2.x
reload(foo)
For Python 3.x
import importlib
import foo #import the module here, so that it can be reloaded.
importlib.reload(foo)
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Specifying Maven's local repository location as a CLI param>me m>ter
Is it possible to set the location of the local Maven repository as argum>me m>nt on the Maven command line?
3 Answers
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Format number to 2 decimal places
I would like to know how can I output a number with 2 decimal places, without rounding the original number.
6 Answers
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How can I reliably get an object's address when operator& is overloaded?
... func(); is declared, then func is a reference to a function taking no argum>me m>nt and returning no result. This reference to a function can be trivially converted into a pointer to function -- from @Konstantin: According to 13.3.3.2 both T & and T * are indistinguishable for functions. The 1st one...
How do you run a single query through mysql from the command line?
I'm looking to be able to run a single query on a remote server in a scripted task.
5 Answers
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How do I move a Git branch out into its own repository?
I have a branch that I'd like to move into a separate Git repository, and ideally keep that branch's history in the process. So far I've been looking at git filter-branch , but I can't make out whether it can do what I want to do.
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Convert an integer to a float number
...float32 if you only need a single-precision floating point value.
package main
import "fmt"
func main() {
i := 5
f := float64(i)
fmt.Printf("f is %f\n", f)
}
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m>Me m>rge Images Side by Side(Horizontally)
I have five images of sizes: 600x30, 600x30, 600x30, 600x30, 810x30. Their nam>me m>s are: 0.png, 1.png, 2.png, 3.png, 4.png, respectively.
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