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How to modify memory contents using GDB?
I know that we can use several commands to access and read memory: for example, print, p, x...
3 Answers
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How to sort a list of objects based on an attribute of the objects?
...u might want to do the following, then:
try: import operator
except ImportError: keyfun= lambda x: x.count # use a lambda if no operator module
else: keyfun= operator.attrgetter("count") # use operator since it's faster than lambda
ut.sort(key=keyfun, reverse=True) # sort in-place
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Skip callbacks on Factory Girl and Rspec
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Rails 5 - skip_callback raising Argument error when skipping from a FactoryBot factory.
ArgumentError: After commit callback :whatever_callback has not been defined
There was a change in Rails 5 with how skip_callback handles unrecognized callbacks:
ActiveSup...
How to make execution pause, sleep, wait for X seconds in R?
How do you pause an R script for a specified number of seconds or miliseconds? In many languages, there is a sleep function, but ?sleep references a data set. And ?pause and ?wait don't exist.
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Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.
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I also had this error, but could only fix it through the suggestion here.
To summarize, use:
127.0.0.1
Instead of:
localhost
The reason is that "localhost" is a special name for the MySQL driver making it use the UNIX socket to connec...
My docker container has no internet
I had it working allright but now it stopped. I tried the following commands with no avail:
22 Answers
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Sass combining parent using ampersand (&) with type selectors
... using the class before @at-root or using multiple @at-roots) will lead to errors.
Hope it'll be useful
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Is memcached a dinosaur in comparison to Redis? [closed]
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205
Depends on what you need, in general I think that:
You should not care too much about perform...
What are file descriptors, explained in simple terms?
... descriptors 0, 1, and 2 are standard input, standard output, and standard error for each running process. A successful initial call to open() will give you file descriptor 3, even if another running process happens to have a file descriptor 3. See the POSIX definition of open(): "The open() functio...
How can I see what I am about to push with git?
...hing a large amount of data, it uploads all of the data and then shows any errors after. You've just wasted time and bandwidth uploading data that you now have to re-upload. This seems like strange behavior.
– zeusstl
Jan 19 '15 at 7:04
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