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Convert dmesg timestamp to custom date format
... the -T command line option of dmesg and parse the human readable format.
From the man page:
-T, --ctime
Print human readable timestamps. The timestamp could be inaccurate!
The time source used for the logs is not updated after system SUSPEND/RESUME.
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Java: Static Class?
... but it provides insurance in case the constructor is accidentally invoked from within the class. It guarantees that the class will never be instantiated under any circumstances. This idiom is mildly counterintuitive, as the constructor is provided expressly so that it cannot be invoked. It is there...
Why is 1/1/1970 the “epoch time”?
...pears in some software
interfaces as a result. The epoch also
differed from the current value. The
first edition Unix Programmer's Manual
dated November 3, 1971 defines the
Unix time as "the time since 00:00:00,
Jan. 1, 1971, measured in sixtieths of
a second".
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How to pretty print XML from the command line?
... an intermediate file? I.e., echo '<xml .. />' | xmllint --some-read-from-stdn-option?
– svidgen
Apr 18 '13 at 19:08
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SHA512 vs. Blowfish and Bcrypt [closed]
... bcrypt. It uses Blowfish to encrypt a magic string, using a key "derived" from the password. Later, when a user enters a password, the key is derived again, and if the ciphertext produced by encrypting with that key matches the stored ciphertext, the user is authenticated. The ciphertext is stored ...
How do I add a submodule to a sub-directory?
...hs given to the submodule command, dropping the requirement that it be run from the top-level of the repository.
Since the interpretation of a relative submodule URL depends on whether or not "remote.origin.url" is configured, explicitly block relative URLs in "git submodule add" when not at th...
How to delete items from a dictionary while iterating over it?
Is it legitimate to delete items from a dictionary in Python while iterating over it?
10 Answers
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On logout, clear Activity history stack, preventing “back” button from opening logged-in-only Activi
...n my application require a user to be logged-in to view. Users can log out from almost any activity. This is a requirement of the application. At any point if the user logs-out, I want to send the user to the Login Activity . At this point I want this activity to be at the bottom of the history sta...
Deleting all pending tasks in celery / rabbitmq
...
From the docs:
$ celery -A proj purge
or
from proj.celery import app
app.control.purge()
(EDIT: Updated with current method.)
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Why is there no multiple inheritance in Java, but implementing multiple interfaces is allowed?
...Containing more than one subobject of same base class, ambiguity (override from which base class use), complicated rules of resolving such ambiguity.
– Tadeusz Kopec
May 22 '13 at 7:54
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