大约有 40,000 项符合查询结果（耗时：0.0425秒） [XML]
Visibility of global variables in imported modules
...1.py:
import shared_stuff
def f():
print shared_stuff.a
Don't use a from import unless the variable is intended to be a constant. from shared_stuff import a would create a new a variable initialized to whatever shared_stuff.a referred to at the time of the import, and this new a variable woul...
How to print instances of a class using print()?
...ris Lutz mentioned, this is defined by the __repr__ method in your class.
From the documentation of repr():
For many types, this function makes an attempt to return a string that would yield an object with the same value when passed to eval(), otherwise the representation is a string enclosed i...
Why extend the Android Application class?
...thread, while IntentService runs on its own thread.
I prefer to pass data from Activity to Activity with explicit Intents, or use SharedPreferences. There are also ways to pass data from a Fragment to its parent Activity using interfaces.
...
How can I get list of values from dict?
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
Not the answer you're looking for? Browse other questions t...
How to set ViewBag properties for all Views without using a base class for Controllers?
...nto ViewData/ViewBag in a global fashion by having all Controllers inherit from a common base controller.
8 Answers
...
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.
...
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...
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".
...
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
...