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How to generate an openSSL key using a passphrase from the command line?
...ects the encrypted private key on standard input - you can instead read it from a file using -in <file>).
Example of creating a 3072-bit private and public key pair in files, with the private key pair encrypted with password foobar:
openssl genrsa -aes128 -passout pass:foobar -out privkey....
Java synchronized method lock on object, or method?
...chronize on the whole object, so two thread accessing a different variable from this same object would block each other anyway.
If you want to synchronize only on one variable at a time, so two threads won't block each other while accessing different variables, you have synchronize on them separat...
Extract traceback info from an exception object
...
Yes, it is meant to be used. From What’s New In Python 3.0 "PEP 3134: Exception objects now store their traceback as the traceback attribute. This means that an exception object now contains all the information pertaining to an exception, and there ar...
How to hide TabPage from TabControl [duplicate]
How to hide TabPage from TabControl in WinForms 2.0?
22 Answers
22
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How can I create a UIColor from a hex string?
How can I create a UIColor from a hexadecimal string format, such as #00FF00 ?
47 Answers
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Is there a way to define a min and max value for EditText in Android?
...;& c <= b : c >= b && c <= a;
}
}
Then use this from your Activity :
EditText et = (EditText) findViewById(R.id.myEditText);
et.setFilters(new InputFilter[]{ new InputFilterMinMax("1", "12")});
This will allow user to enter values from 1 to 12 only.
EDIT :
Set your ed...
How to send a message to a particular client with socket.io
...following data:
{
to:[the other receiver's username as a string],
from:[the person who sent the message as string],
message:[the message to be sent as string]
}
On the server, listen for messages. When a message is received, emit the data to the receiver.
users[data.to].emit('receive...
Remove Trailing Slash From String PHP
Is it possible to remove the trailing slash / from a string using PHP?
5 Answers
5
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Android: Remove all the previous activities from the back stack
...>C(background) & D->A->B(Foreground) and If I call activity A from my current stack(D->A->B) with intent filter what you suggested what will happen it clear my current stack (D->A->B) and open activity A and when I press back it close application but if I press recent app bu...
How do I do an OR filter in a Django query?
...
There is Q objects that allow to complex lookups. Example:
from django.db.models import Q
Item.objects.filter(Q(creator=owner) | Q(moderated=False))
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