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How do I run two commands in one line in Windows CMD?
...
Like this on all Microsoft OSes since 2000, and still good today:
dir & echo foo
If you want the second command to execute only if the first exited successfully:
dir && echo foo
The single ampersand (&) syntax to exe...
What is the difference between instanceof and Class.isAssignableFrom(…)?
...s Y which extends Z which extends A), results might be different.
it is usually advised to write the code first picking one of the operators (the most convenient) and then profile your code to check if there are a performance bottleneck. Maybe this operator is negligible in the context of your code,...
RegEx: Grabbing values between quotation marks
...gt;>> string = '"Foo Bar" "Another Value"'
>>> print re.findall(r'"(.*?)"', string)
['Foo Bar', 'Another Value']
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Does JavaScript have “Short-circuit” evaluation?
... in times of JIT-compiling-magic in javascript implementations, one does really want to know if something is "the standard" , or potentially subject to the implementation. The way a condition statement with Binary Logical Operators is evaluated and (short-curcuit) is a standard behavior ecma-interna...
e.printStackTrace equivalent in python
... = logging.getLogger()
logger.setLevel(logging.DEBUG)
def f():
a = { 'foo': None }
# the following line will raise KeyError
b = a['bar']
def g():
f()
try:
g()
except Exception as e:
logger.error(str(e), exc_info=True)
And it will output:
'bar'
Traceback (most recent cal...
Set a persistent environment variable from cmd.exe
...ferent windows machines, but I don't want to be bothered changing them manually by getting on the properties screen of "My Computer"
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Java SafeVarargs annotation, does a standard or best practice exist?
...n StackOverflow about the particular issue with generics and varargs. Basically, it's when you have a variable number of arguments of a type-parameter type:
<T> void foo(T... args);
In Java, varargs are a syntactic sugar that undergoes a simple "re-writing" at compile-time: a varargs parame...
What does placing a @ in front of a C# variable name do? [duplicate]
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It's just a way to allow declaring reserved keywords as vars.
void Foo(int @string)
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How to declare a global variable in a .js file
I need a few global variables that I need in all .js files.
5 Answers
5
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Force add despite the .gitignore file
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See man git-add:
-f, --force
Allow adding otherwise ignored files.
So run this
git add --force my/ignore/file.foo
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