大约有 40,000 项符合查询结果（耗时：0.0425秒） [XML]
Extract public/private key from PKCS12 file for later use in SSH-PK-Authentication
...ryptedPrivateKey.key
Solution 2:
Extract PEM and encryptedPrivateKey to txt file```
openssl pkcs12 -in MyRootCA.p12 -out keys_out.txt
Decrypt privateKey
openssl rsa -in encryptedPrivateKey.key [-outform PEM] -out decryptedPrivateKey.key
...
Get program execution time in the shell
...command like time -p i=x; while read line; do x=x; done < /path/to/file.txt? It immediatly returns 0.00 unless I don't put anything before the while loop.. what gives?
– natli
Dec 14 '12 at 21:45
...
How do I escape spaces in path for scp copy in Linux?
...fficient, but I solved it using the "?" char instead:
for the file "tasks.txt Jun-22.bkp" I downloaded it using "tasks.txt?Jun-22.bkp"
share
|
improve this answer
|
follow
...
Difference between “process.stdout.write” and “console.log” in node.js?
...cess.stdout.write('1')
// can also pipe a readable stream (assuming `file.txt` exists)
const fs = require('fs')
fs.createReadStream('file.txt').pipe(process.stdout)
share
|
improve this answer
...
Using pickle.dump - TypeError: must be str, not bytes
...
The output file needs to be opened in binary mode:
f = open('varstor.txt','w')
needs to be:
f = open('varstor.txt','wb')
share
|
improve this answer
|
follow
...
Can grep show only words that match search pattern?
...It's more simple than you think. Try this:
egrep -wo 'th.[a-z]*' filename.txt #### (Case Sensitive)
egrep -iwo 'th.[a-z]*' filename.txt ### (Case Insensitive)
Where,
egrep: Grep will work with extended regular expression.
w : Matches only word/words instead of substring.
o : Display o...
How to print to stderr in Python?
... following result when run on the command line:
$ python3 foo.py > bar.txt
I print to stderr by default
and bar.txt will contain the 'hello world' printed on stdout.
share
|
improve this answe...
Git blame — prior commits?
...e evolution of a range of lines.
For example :
git log -L 15,23:filename.txt
means "trace the evolution of lines 15 to 23 in the file named filename.txt".
share
|
improve this answer
|
...
How can I upgrade specific packages using pip and a requirements file?
...use this pip-upgrader which also updates the versions in your requirements.txt file for the chosen packages (or all packages).
Installation
pip install pip-upgrader
Usage
Activate your virtualenv (important, because it will also install the new versions of upgraded packages in current virtualenv).
...
When do we need curly braces around shell variables?
...some text manipulation inside the braces:
STRING="./folder/subfolder/file.txt"
echo ${STRING} ${STRING%/*/*}
Result:
./folder/subfolder/file.txt ./folder
or
STRING="This is a string"
echo ${STRING// /_}
Result:
This_is_a_string
You are right in "regular variables" are not needed... But i...