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'const int' vs. 'int const' as function parameters in C++ and C
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C does have const, given: static const char foo[] = "foo"; you better not alter foo.
– James Antill
Oct 2 '08 at 14:21
4
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XPath: How to check if an attribute exists?
...wing XML, how do I write an XPath query to pull nodes where the attribute foo exists?:
3 Answers
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Get the name of the currently executing method
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Even better than my first answer you can use __method__:
class Foo
def test_method
__method__
end
end
This returns a symbol – for example, :test_method. To return the method name as a string, call __method__.to_s instead.
Note: This requires Ruby 1.8.7.
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Pragma in define macro
...NGIFY( weak delete_ ## type ## _ = delete_ ## type) )
DEFINE_DELETE_OBJECT(foo);
when put into gcc -E gives
void delete_foo_(int handle); void delete_foo(int handle);
#pragma weak delete_foo_ = delete_foo
;
share
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Is JavaScript a pass-by-reference or pass-by-value language?
...ct, and do the assignment at the point where you call the function. E.g., foo = GetNewFoo(); instead of GetNewFoo(foo);
– Tim Goodman
Aug 5 '13 at 15:26
59
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Is there a naming convention for MySQL?
...is not always possible. Think about how you would cope with a single table foo_bar that has columns foo_id and another_foo_id both of which reference the foo table foo_id column. You might want to consider how to deal with this. This is a bit of a corner case though!
Point 4 - Similar to Point 3. Y...
console.log timestamps in Chrome?
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There's also console.timeStamp('foo') it just appears as a yellow point in the timeline. It didn't work for me when using names with spaces tho.
– Vitim.us
Nov 29 '16 at 22:03
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Use Mockito to mock some methods but not others
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According to docs :
Foo mock = mock(Foo.class, CALLS_REAL_METHODS);
// this calls the real implementation of Foo.getSomething()
value = mock.getSomething();
when(mock.getSomething()).thenReturn(fakeValue);
// now fakeValue is returned
value =...
How do I ignore files in Subversion?
...cd ~/myRepoRoot # Open an existing repo.
echo "foo" > "ignoreThis.txt" # Create a file called "ignoreThis.txt".
svn status # Check to see if the file is ignored or not.
> ? ./ignoreThis.txt
> 1 unversioned file ...
How to compare two floating point numbers in Bash?
...ng floats without exponential notation, leading or trailing zeros:
if [ ${FOO%.*} -eq ${BAR%.*} ] && [ ${FOO#*.} \> ${BAR#*.} ] || [ ${FOO%.*} -gt ${BAR%.*} ]; then
echo "${FOO} > ${BAR}";
else
echo "${FOO} <= ${BAR}";
fi
Order of logical operators matters. Integer parts are ...