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grep exclude multiple strings
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This is the right answer: The only one that avoids both the multiple grep -v instances and the artificial requirement of a regex (lets the multiple strings be specified cleanly in separate arguments). Just imagine constructing that regex programmatically in a ...
What is a magic number, and why is it bad? [closed]
... the max size changes, I have to change in two code locations. If I forget one, this will lead to inconsistencies.
The JDK is full of examples like in Integer, Character and Math classes.
PS: Static analysis tools like FindBugs and PMD detects the use of magic numbers in your code and suggests the...
What is android:weightSum in android, and how does it work?
... the sum of the weights inside the layout accomplishes nothing, but if someone changes it in the future it could cause headaches as now there is an unnecessary modifier to the layout that would have to be found and changed. This answer is incorrect and should not be the accepted answer.
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Single Sign On across multiple domains [closed]
Our company has multiple domains set up with one website hosted on each of the domains. At this time, each domain has its own authentication which is done via cookies.
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Is it possible to create a File object from InputStream
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In one line :
FileUtils.copyInputStreamToFile(inputStream, file);
(org.apache.commons.io)
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How do you declare an interface in C++?
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To expand on the answer by bradtgmurray, you may want to make one exception to the pure virtual method list of your interface by adding a virtual destructor. This allows you to pass pointer ownership to another party without exposing the concrete derived class. The destructor doesn't ha...
Why return NotImplemented instead of raising NotImplementedError
...mented doesn't get raised and can be used in further tests.
http://jcalderone.livejournal.com/32837.html
To summarise that link:
"NotImplemented signals to the runtime that it should ask someone else to satisfy the operation. In the expression a == b, if a.__eq__(b) returns NotImplemented, the...
What does “Git push non-fast-forward updates were rejected” mean?
...er branch do not agree on something.
Some change was pushed/committed to one that is not in the other.
Fire up gitk --all, and it should give you a clue as to what went wrong - look for "forks" in the history.
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unsigned int vs. size_t
...t magnitude, like all the other bits in the unsigned integer. When we gain one more bit, we are multiplying the range of numbers we can represents by a factor of about two.
So, you ask, why not just use an unsigned int? It may not be able to hold big enough numbers. In an implementation where unsi...
Browse orphaned commits in Git
My git repository has somehow gone wonky - I loaded up msysgit this morning and instead of the branch name being shown after the current directory, it says "((ref: re...))", 'git status' reports everything as a new file, 'git log' and 'git reflog' tell me "fatal: bad default revision 'HEAD'", and so...