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Constructor function vs Factory functions
...
As you already mentioned that some people try to use factory functions just because they don't intend to leave bugs where people forget to use new with the constructor function; I thought it's where one might need to see a how to repl...
Use Font Awesome icon as CSS content
...ht: 3px;
vertical-align: middle;
font-weight: 900;
}
Demo
You can read the rest of the answer below to understand how it works and to know some workarounds for spacing between icon and the text.
FontAwesome 4 and below
That's the wrong way to use it. Open the font awesome style sheet, g...
When should I use the Visitor Design Pattern? [closed]
...he visitor pattern in blogs but I've got to admit, I just don't get it. I read the wikipedia article for the pattern and I understand its mechanics but I'm still confused as to when I'd use it.
...
Use RSA private key to generate public key?
...H-KEYGEN(1)
ssh-keygen -y [-f input_keyfile]
-y This option will read a private OpenSSH format file and print an OpenSSH public key to stdout.
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How to securely save username/password (local)?
...n a file or registry key with permissions set so only the current user can read it. To get access to the original data, use ProtectedData.Unprotect():
byte[] plaintext= ProtectedData.Unprotect(ciphertext, entropy,
DataProtectionScope.CurrentUser);
Note that there are additional security consi...
How do I execute code AFTER a form has loaded?
...or me, in C#. I had to add Shown += Form1_Shown; as suggested in another thread
– ocramot
May 18 '15 at 8:17
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How to write the Fibonacci Sequence?
... yield cur
for i in SubFib(10, 200):
print i
My hint is to learn to read what you need. Project Euler (google for it) will train you to do so :P
Good luck and have fun!
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Pseudo-terminal will not be allocated because stdin is not a terminal
...ols like cat, and don't mind having two statements instead of one, use the read built-in with a heredoc to generate the SSH command:
IFS='' read -r -d '' SSH_COMMAND <<'EOT'
echo "These commands will be run on: $( uname -a )"
echo "They are executed by: $( whoami )"
EOT
ssh user@server "${SS...
MongoDB with redis
... it hits the cache server, it looks at all the keys it has and says oh I already found that blogpost, it doesn’t reach out to mongo, it just takes the result of the query and sends it directly to mongoose.
We are not doing complex query logic, no indices, nothing like that. Its as fast as possibl...
Qt events and signal/slots
... can get delivered immediately or deferred via a queue (if you are using threads).
A signal can be generated.
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