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How to determine the version of the C++ standard used by the compiler?
...rup C++0x FAQ:
__cplusplus
In C++0x the macro __cplusplus will be set to a value that differs
from (is greater than) the current 199711L.
Although this isn't as helpful as one would like. gcc (apparently for nearly 10 years) had this value set to 1, ruling out one major compiler, until ...
What is the reason behind cbegin/cend?
...
It's quite simple. Say I have a vector:
std::vector<int> vec;
I fill it with some data. Then I want to get some iterators to it. Maybe pass them around. Maybe to std::for_each:
std::for_each(vec.begin(), vec.end(), SomeFunctor());
In C++03, SomeFunctor was free to be able to modify the...
How do I measure request and response times at once using cURL?
I have a web service that receives data in JSON format, processes the data, and then returns the result to the requester.
1...
Case insensitive 'in'
...should behave as required (whether the right-hand side is a list, dict, or set). (It may require more effort to achieve similar results for string inclusion, avoid warnings in some cases involving unicode, etc).
share
...
is it possible to select EXISTS directly as a bit?
...
This is not a workaround, it's one correct way set-wise. EXISTS is this workaround... And very clean, no?
– gbn
May 3 '10 at 17:59
...
Finding ALL duplicate rows, including “elements with smaller subscripts”
...
You need to assemble the set of duplicated values, apply unique, and then test with %in%. As always, a sample problem will make this process come alive.
> vec <- c("a", "b", "c","c","c")
> vec[ duplicated(vec)]
[1] "c" "c"
> unique(vec[ ...
Sending multipart/formdata with jQuery.ajax
...unction(data){
alert(data);
}
});
It’s imperative that you set the contentType option to false, forcing jQuery not to add a Content-Type header for you, otherwise, the boundary string will be missing from it.
Also, you must leave the processData flag set to false, otherwise, jQuery w...
Input size vs width
...', sans-serif;
}
.wide-font {
font-family: 'Diplomata', cursive;
}
.set-width {
width: 220px;
}
<p>
<input type="text" size="10" class="narrow-font" value="0123456789" />
</p>
<p>
<input type="text" size="10" class="wide-font" value="0123456789" />
...
Undo git stash pop that results in merge conflict
...ed state with the following steps:
To unstage the merge conflicts: git reset HEAD . (note the trailing dot)
To save the conflicted merge (just in case): git stash
To return to master: git checkout master
To pull latest changes: git fetch upstream; git merge upstream/master
To correct my new branch...
How to get default gateway in Mac OSX
...
utun1
192.168.128.1
link#12
To set a variable (_default) for further use (assuming only one entry for 'default') .....
_default=$( netstat -rn inet | awk '/default/ {print $2}' ) # I prefer $( ... ) over back-ticks
In the case of multiple default ro...