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Difference between “git add -A” and “git add .”
... git add .; git add -u.
The important point about git add . is that it looks at the working tree and adds all those paths to the staged changes if they are either changed or are new and not ignored, it does not stage any 'rm' actions.
git add -u looks at all the already tracked files and stages th...
Workflow for statistical analysis and report writing
Does anyone have any wisdom on workflows for data analysis related to custom report writing? The use-case is basically this:
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How to delete a character from a string using Python
...2 # //2 in python 3
newstr = oldstr[:midlen] + oldstr[midlen+1:]
You asked if strings end with a special character. No, you are thinking like a C programmer. In Python, strings are stored with their length, so any byte value, including \0, can appear in a string.
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CSS opacity only to background color, not the text on it? [duplicate]
Can I assign the opacity property to the background property of a div only and not to the text on it?
11 Answers
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When is the @JsonProperty property used and what is it used for?
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Adding an arbitrary line to a matplotlib plot in ipython notebook
...ther new to both python/matplotlib and using it through the ipython notebook. I'm trying to add some annotation lines to an existing graph and I can't figure out how to render the lines on a graph. So, for example, if I plot the following:
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NUnit vs. Visual Studio 2008's test projects for unit testing [closed]
I am going to be starting up a new project at work and want to get into unit testing. We will be using Visual Studio 2008, C#, and the ASP.NET MVC stuff. I am looking at using either NUnit or the built-in test projects that Visual Studio 2008 has, but I am open to researching other suggestions. ...
How do I set the selected item in a comboBox to match my string using C#?
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This should do the trick:
Combox1.SelectedIndex = Combox1.FindStringExact("test1")
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How do I save a String to a text file using Java?
...simply outputting text, rather than any binary data, the following will work:
PrintWriter out = new PrintWriter("filename.txt");
Then, write your String to it, just like you would to any output stream:
out.println(text);
You'll need exception handling, as ever. Be sure to call out.close() when...
How to efficiently concatenate strings in go
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New Way:
From Go 1.10 there is a strings.Builder type, please take a look at this answer for more detail.
Old Way:
Use the bytes package. It has a Buffer type which implements io.Writer.
package main
import (
"bytes"
"fmt"
)
func main() {
var buffer bytes.Buffer
for...