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How to run Unix shell script from Java code?
...lt for this kind of thing.
ProcessBuilder pb = new ProcessBuilder("myshellScript.sh", "myArg1", "myArg2");
Map<String, String> env = pb.environment();
env.put("VAR1", "myValue");
env.remove("OTHERVAR");
env.put("VAR2", env.get("VAR1") + "suffix");
pb.directory(new File("myDir"));
Proces...
Include jQuery in the JavaScript Console
Is there an easy way to include jQuery in the Chrome JavaScript console for sites that do not use it? For example, on a website I would like to get the number of rows in a table. I know this is really easy with jQuery.
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Single script to run in both Windows batch and Linux Bash?
Is it possible to write a single script file which executes in both Windows (treated as .bat) and Linux (via Bash)?
11 Answ...
How to list variables declared in script in bash?
In my script in bash, there are lot of variables, and I have to make something to save them to file.
My question is how to list all variables declared in my script and get list like this:
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Automatically enter SSH password with script
I need to create a script that automatically inputs a password to OpenSSH ssh client.
19 Answers
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Options for HTML scraping? [closed]
...s to get results with it.
The queries are super-intuitive - like:
SELECT title from img WHERE $class == 'userpic'
There are now some other alternatives that take the same approach.
share
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impro...
Display block without 100% width
...
I tried applying this but since the span elements (title and date, in the example) doesn't have float the link gets positioned before the last span. Guess one solution would be to make all child elements in the li float.
– Staffan Estberg
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Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
...od does. When wrapped with invisible() or when called within a function or script, the print method isn't called.
All this applies inside functions too; i.e., := and set() do not copy on write, even within functions. If you need to modify a local copy, then call x=copy(x) at the start of the funct...
Best practice to validate null and empty collection in Java
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Sure, you can add one for maps too, but the title stated collection.
– icza
Oct 4 '12 at 6:06
1
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How to shift a column in Pandas DataFrame
...n
1 206 214
2 226 234
3 245 253
4 265 272
So, run this script to get the expected output:
import pandas as pd
df = pd.DataFrame({'x1': ['206', '226', '245',' 265', '283'],
'x2': ['214', '234', '253', '272', '291']})
print(df)
df['x2'] = df['x2'].shift(1)
pri...