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Loop through an array of strings in Bash?
...ee")
# get length of an array
arraylength=${#array[@]}
# use for loop to read all values and indexes
for (( i=1; i<${arraylength}+1; i++ ));
do
echo $i " / " ${arraylength} " : " ${array[$i-1]}
done
Output:
1 / 3 : one
2 / 3 : two
3 / 3 : three
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Read only the first line of a file?
...
Use the .readline() method (Python 2 docs, Python 3 docs):
with open('myfile.txt') as f:
first_line = f.readline()
Some notes:
As noted in the docs, unless it is the only line in the file, the string returned from f.readline(...
Returning a boolean from a Bash function
...
For better readability you can use the 'true' command (which does nothing and completes successfully, i.e. returns 0) and 'false' command (which does nothing and completes unsuccessfully, i.e. returns a non-zero value). Also, a function...
How to get body of a POST in php?
...ody = file_get_contents('php://input');
Also, the STDIN constant is an already-open stream to php://input, so you can alternatively do:
$entityBody = stream_get_contents(STDIN);
From the PHP manual entry on I/O streamsdocs:
php://input is a read-only stream that allows you to read raw data
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Git vs Team Foundation Server [closed]
...interrupt the team it is recommended to use a feature branch and then when ready merge down into the development branch.
– Mike Cheel
Aug 12 '14 at 20:04
9
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Diff Algorithm? [closed]
...e source code appears to follow the basic algorithm closely and is easy to read.
There's also a bit on preparing the input, which you may find useful. There's a huge difference in output when you are diffing by character or token (word).
Good luck!
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Jackson enum Serializing and DeSerializer
...on 1.2)
@JsonCreator
public static Event forValue(String value) { ... }
Read more about JsonCreator annotation here.
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How to add extra info to copied web text
...document.addEventListener('copy', (event) => {
const pagelink = `\n\nRead more at: ${document.location.href}`;
event.clipboardData.setData('text', document.getSelection() + pagelink);
event.preventDefault();
});
Lorem ipsum dolor sit amet, consectetur adipiscing elit.<br/>
<t...
NoSQL - MongoDB vs CouchDB [closed]
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thus, master-master replication. (!)
MVCC - write operations do not block reads
Previous versions of documents are available
Crash-only (reliable) design
Needs compacting from time to time
Views: embedded map/reduce
Formatting views: lists & shows
Server-side document validation possible
Authen...
java get file size efficiently
...rn the file length. It returns the amount of bytes which are available for read without blocking other streams. It is not necessarily the same amount of bytes as file length. To get the real length from a stream, you really need to read it (and count the read bytes meanwhile).
–...