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How to copy files across computers using SSH and MAC OS X Terminal [closed]
...eferences to other systems:
scp username1@hostname1:/path/to/file username2@hostname2:/path/to/other/file
Copy something from this machine to some other machine:
scp /path/to/local/file username@hostname:/path/to/remote/file
Copy something from another machine to this machine:
scp username@ho...
Regular Expression to match only alphabetic characters
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You may use any of these 2 variants:
/^[A-Z]+$/i
/^[A-Za-z]+$/
to match an input string of ASCII alphabets.
[A-Za-z] will match all the alphabets (both lowercase and uppercase).
^ and $ will make sure that nothing but these alphabets will be mat...
How do you set, clear, and toggle a single bit?
...tting the nth bit to either 1 or 0 can be achieved with the following on a 2's complement C++ implementation:
number ^= (-x ^ number) & (1UL << n);
Bit n will be set if x is 1, and cleared if x is 0. If x has some other value, you get garbage. x = !!x will booleanize it to 0 or 1.
To ma...
Mongod complains that there is no /data/db folder
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Git: Cannot see new remote branch
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edited Oct 6 '12 at 20:57
answered Oct 6 '12 at 19:08
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How to execute raw SQL in Flask-SQLAlchemy app
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edited Jan 9 '19 at 20:08
jpmc26
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Verify version of rabbitmq
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215
sudo rabbitmqctl status
and look for line that looks like that:
{rabbit,"RabbitMQ","2...
How do I put hint in a asp:textbox
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202
The placeholder attribute
You're looking for the placeholder attribute. Use it like any other...
How to make clang compile to llvm IR
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207
Given some C/C++ file foo.c:
> clang -S -emit-llvm foo.c
Produces foo.ll which is an LLV...