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Detail change after Git pull
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Suppose you're pulling to master. You can refer to the previous position of master by master@{1} (or even master@{10.minutes.ago}; see the specifying revisions section of the git-rev-parse man page), so that you can do things like
See all of the changes: git di...
How does HashSet compare elements for equality?
...lityComparer<T> into the constructor. This is the best option if you can't modify the T itself, or if you want a non-default equality relation (e.g. "all users with a negative user ID are considered equal"). This is almost never implemented on the type itself (i.e. Foo doesn't implement IEqual...
What is a sealed trait?
Sealed classes are described in 'Programming in Scala', but sealed traits are not.
Where can I find more information about a sealed trait?
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CALL command vs. START with /WAIT option
...ifferences are nearly unimportant.
But to start an exe you don't even need CALL.
When starting another batch it's a big difference,
as CALL will start it in the same window and the called batch has access to the same variable context.
So it can also change variables which affects the caller.
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100% width Twitter Bootstrap 3 template
... to see the layout : http://themeforest.net/item/geometry-design-for-geolocation-social-networkr/4752268
5 Answers
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setuptools vs. distutils: why is distutils still a thing?
Python has a confusing history of tools that can be used to package and describe projects: these include distutils in the Standard Library, distribute , distutils2 , and setuptools (and maybe more). It appears that distribute and distutils2 were discontinued in favor of setuptools , which...
Is pass-by-value a reasonable default in C++11?
...eferences around, which is faster, but which introduces all sorts of complicated questions around ownership and especially around memory management (in the event that the object is heap-allocated)
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The written versions of the logical operators
...ror and figured the website was wrong, but it is NetBeans which is wrong because it compiled and ran as expected.
4 Answers...
How do I catch a numpy warning like it's an exception (not just for testing)?
...ewton's divided difference style one. The problem I have is that I need to catch a division by zero, but Python (or maybe numpy) just makes it a warning instead of a normal exception.
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How does the socket API accept() function work?
The socket API is the de-facto standard for TCP/IP and UDP/IP communications (that is, networking code as we know it). However, one of its core functions, accept() is a bit magical.
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