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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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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...
Why cast an unused function parameter value to void?
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How to run a program without an operating system?
How do you run a program all by itself without an operating system running?
Can you create assembly programs that the computer can load and run at startup, e.g. boot the computer from a flash drive and it runs the program that is on the CPU?
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How to easily initialize a list of Tuples?
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305
c# 7.0 lets you do this:
var tupleList = new List<(int, string)>
{
(1, "cow"),...
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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Windows: How to specify multiline command on command prompt?
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answered Mar 3 '09 at 10:05
DaeminDaemin
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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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