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How to generate an openSSL key using a passphrase from the command line?
...ocesses.
A better alternative is to write the passphrase into a temporary file that is protected with file permissions, and specify that:
openssl genrsa -aes128 -passout file:passphrase.txt 3072
Or supply the passphrase on standard input:
openssl genrsa -aes128 -passout stdin 3072
You can als...
Storing Images in DB - Yea or Nay?
...at's your outlook on this? I'm more of a type to store the location in the filesystem, than store it directly in the DB.
56...
What are the uses of the exec command in shell scripts? [closed]
...etc/passwd, but maybe we want environment setting to be used from start-up files. So, in (say) .profile, the last statement says something like:
exec appln-program
so now there is no shell to go back to. Even if appln-program crashes, the end-user cannot get to a shell, because it is not there...
How do I check whether a file exists without exceptions?
How do I check if a file exists or not, without using the try statement?
39 Answers
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What characters are forbidden in Windows and Linux directory names?
...
A “comprehensive guide” of forbidden filename characters is not going to work on Windows because it reserves filenames as well as characters. Yes, characters like
* " ? and others are forbidden, but there are a infinite number of names composed only of valid cha...
How to enable mod_rewrite for Apache 2.2
...restart apache2
Then, if you'd like, you can use the following .htaccess file.
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>
The above .htac...
How does Tortoise's non recursive commit work?
...erent folder structure). So basically there are a lot of deletions (of old files) and additions (of new files).
10 Answers...
Android Studio quick documentation always “fetching documentation”
... just redirect the reference to local source.
MacOS
On MacOS, the config file jdk.table.xml is under
~/Library/Preferences/AndroidStudio<version>/options/, and the docs are here:
~/Library/Android/sdk/docs/, or the custom path of your Android SDK.
In jdk.table.xml, find all the lines:
<...
Chrome Dev Tools - Modify javascript and reload
... a page and then reload the page without reloading the modified JavaScript file (and thus losing modifications)?
5 Answers
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How to run a shell script on a Unix console or Mac terminal?
...le bash script, use:
bash myscript
To start an executable (which is any file with executable permission); you just specify it by its path:
/foo/bar
/bin/bar
./bar
To make a script executable, give it the necessary permission:
chmod +x bar
./bar
When a file is executable, the kernel is respo...