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Chrome Developer Tools: How to find out what is overriding a CSS rule?
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What's the difference between a mock & stub?
...nything outside what's programmed in for the test. Stubs may also record information about calls, such as an email gateway stub that remembers the messages it 'sent', or maybe only how many messages it 'sent'.
Mocks are what we are talking about here: objects pre-programmed with expectations which...
Are static variables shared between threads?
...e constructs, as well as the Thread.start() and Thread.join() methods, can form happens-before relationships. In particular:
Each action in a thread happens-before every action in that thread that comes later in the program's order.
An unlock (synchronized block or method exit) of a monitor happen...
Insert a commit before the root commit in Git?
... This worked for me. Additionally I used timedatectl set-time '2017-01-01 00:00:00' to give newroot an old timestamp.
– chrm
May 14 '17 at 11:54
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Delete from the current cursor position to a given line number in vi editor
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Excellent. I was able to do ":.,63d" to perform the deletion example above. Thanks borrible!
– seanhodges
Jun 17 '11 at 10:45
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PHP code to remove everything but numbers
...t it was a good idea to pass the regex flags with the double quoted /flags form instead of using an extra function parameter.
– Qtax
Jul 7 '11 at 0:28
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Practical uses for the “internal” keyword in C#
...framework for building graphical user interfaces could provide Control and Form classes that cooperate using members with internal access. Since these members are internal, they are not exposed to code that is using the framework.
You can also use the internal modifier along with the InternalsVisi...
How to throw an exception in C?
... (GNU libc)) or the CPU hardware interruption (or other notification error form the CPU if there is)(How processor handles the case of division by zero).
Exceptions are defined in C++ and other languages though. Exception handling in C++ is specified in the C++ standard "S.15 Exception handling", t...
How to Set Focus on Input Field using JQuery
... Yes, you can write it either way. I suppose input:first might be the more formal way to write it, although it seems easier to read the other way. But maybe that's just me :)
– Justin Ethier
Jul 18 '11 at 20:17
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what is the most efficient way of counting occurrences in pandas?
... each selected column to str type, stacking all individual columns on top, forming basically one column and then doing the value_counts() and sum() on that one column. :) Stack is pretty useful, it might not be the most obvious choice, but worked like a charm for my use-case :)
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