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How to bind inverse boolean properties in WPF?
...ter.Value> gets a 'Binding' is not valid for Setter.Value' compile time error
– mcalex
Mar 8 '19 at 3:48
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offsetting an html anchor to adjust for fixed header [duplicate]
...ion
– Johan Hoeksma
Jun 4 '15 at 23:05
2
span could be replaced with an a
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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...
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...
Growing Amazon EBS Volume sizes [closed]
...ressed with Amazon's EC2 and EBS services. I wanted to know if it is possible to grow an EBS Volume.
11 Answers
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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...
Vagrant reverse port forwarding?
...22 -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o LogLevel=ERROR -o IdentitiesOnly=yes -i ~/.vagrant.d/insecure_private_key vagrant@127.0.0.1
SSH supports forwarding ports in the direction you want with the -R guestport:host:hostport option. So, if you wanted to connect to port 1234...
android EditText - finished typing event
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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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