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How to disable an input type=text?
I want to disable writing in an input field of type text using JavaScript, if possible.
The input field is populated from a database; that is why I don't want the user to modify its value.
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Importing variables from another file?
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script1.py
title="Hello world"
script2.py is where we using script1 variable
Method 1:
import script1
print(script1.title)
Method 2:
from script1 import title
print(title)
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What MIME type should I use for CSV?
...;/td><td>text/plain</td></tr><tr><td>Apps Scripts</td><td>JSON</td><td>application/vnd.google-apps.script+json</td></tr></tbody></table>
Source here:
https://developers.google.com/drive/v3/web/manage-downloads#do...
Access Control Request Headers, is added to header in AJAX request with jQuery
...domain requests can cause some difficulties. you can always use some proxy script to send your cross-domain requests
– milkovsky
Nov 25 '12 at 13:14
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Read an Excel file directly from a R script
...gument
read_excel("my-spreadsheet.xls", na = "NA")
Note that while the description says 'no external dependencies', it does require the Rcpp package, which in turn requires Rtools (for Windows) or Xcode (for OSX), which are dependencies external to R. Though many people have them installed for oth...
How to calculate time elapsed in bash script?
I print the start and end time using date +"%T" , which results in something like:
20 Answers
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Difference between JSON.stringify and JSON.parse
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JSON.stringify turns a JavaScript object into JSON text and stores that JSON text in a string, eg:
var my_object = { key_1: "some text", key_2: true, key_3: 5 };
var object_as_string = JSON.stringify(my_object);
// "{"key_1":"some text","key_2":tru...
How to get the title of HTML page with JavaScript?
How can I get the title of an HTML page with JavaScript?
3 Answers
3
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How to rename with prefix/suffix?
...If rename isn't available and you have to rename more than one file, shell scripting can really be short and simple for this. For example, to rename all *.jpg to prefix_*.jpg in the current directory:
for filename in *.jpg; do mv "$filename" "prefix_$filename"; done;
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Easiest way to check for an index or a key in an array?
...r this SO question: How to tell if a string is not defined in a bash shell script?
A wrapper function:
exists(){
if [ "$2" != in ]; then
echo "Incorrect usage."
echo "Correct usage: exists {key} in {array}"
return
fi
eval '[ ${'$3'[$1]+muahaha} ]'
}
For example
if ! ex...