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Check if string ends with one of the strings from a list
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Just use:
if file_name.endswith(tuple(extensions)):
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JSONDecodeError: Expecting value: line 1 column 1 (char 0)
...worth mentioning that in cases where you're parsing the contents of a JSON file itself - sanity checks can be useful to ensure that you're actually invoking json.loads() on the contents of the file, as opposed to the file path of that JSON:
json_file_path = "/path/to/example.json"
with open(json_f...
Where to place JavaScript in an HTML file?
Say I have a fairly hefty JavaScript file, packed down to roughly 100kb or so. By file I mean it’s an external file that would be linked in via <script src="..."> , not pasted into the HTML itself.
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Error handling in Bash
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Use a trap!
tempfiles=( )
cleanup() {
rm -f "${tempfiles[@]}"
}
trap cleanup 0
error() {
local parent_lineno="$1"
local message="$2"
local code="${3:-1}"
if [[ -n "$message" ]] ; then
echo "Error on or near line ${parent_linen...
Easiest way to copy a single file from host to Vagrant guest?
I have a use case where I occasionally want to copy a single file from my host machine to the Vagrant guest.
18 Answers
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Download a file from NodeJS Server using Express
How can I download a file that is in my server to my machine accessing a page in a nodeJS server?
6 Answers
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Gradle store on local file system
How does Gradle store downloaded jar files on the local file system? Maven stores them in the .m2 directory under USER_HOME , but where does Gradle store them? I checked the .gradle folder there, but saw only compiled scripts.
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git update-index --assume-unchanged on directory
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git update-index wants the file names on its command line, not on its standard input.
Step 1:
cd into the folder you want to assume is unchanged
Step 2:
You can do either this:
git update-index --assume-unchanged $(git ls-files | tr '\n' ' ')
o...
How to have jQuery restrict file types on upload?
I would like to have jQuery limit a file upload field to only jpg/jpeg, png, and gif. I am doing backend checking with PHP already. I am running my submit button through a JavaScript function already so I really just need to know how to check for the file types before submit or alert.
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How to redirect output to a file and stdout
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The command you want is named tee:
foo | tee output.file
For example, if you only care about stdout:
ls -a | tee output.file
If you want to include stderr, do:
program [arguments...] 2>&1 | tee outfile
2>&1 redirects channel 2 (stderr/standard error) into...