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How to know what the 'errno' means?
...en calling execl(...) , I get an errno=2 . What does it mean? How can I know the meaning of this errno ?
15 Answers
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jQuery.ajax handling continue responses: “success:” vs “.done”?
I have been working with jQuery and AJAX for a few weeks now and I saw two different ways to 'continue' the script once the call has been made: success: and .done .
...
The builds tools for v120 (Platform Toolset = 'v120') cannot be found
... this error, you may be invoking the wrong MSBuild. With VS2013, Microsoft now includes MSBuild as part of Visual Studio. See this Visual Studio blog posting for details.
In particular, note the new location of the binaries:
On 32-bit machines they can be found in: C:\Program
Files\MSBuild\12...
XMLHttpRequest cannot load file. Cross origin requests are only supported for HTTP
...wer is comprehensive but your answer beats it hands down for 'make it work now' convenience.
– Holf
Jun 9 '15 at 19:41
1
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vertical divider between two columns in bootstrap
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Well here's another option which I've been using for some time now. It works great for me since I mostly need it do visually separate 2 cols. And it's also responsive. Which means that if I have columns next to each other in medium and large screen sizes, then I would use the class col-m...
How to calculate the angle between a line and the horizontal axis?
...aX*deltaX+deltaY*deltaY)), unless the length is 0.
After that, deltaX will now be the cosine of the angle between the vector and the horizontal axis (in the direction from the positive X to the positive Y axis at P1).
And deltaY will now be the sine of that angle.
If the vector's length is 0, it won...
Catch an exception thrown by an async void method
... I actually mean it's straight-forward to read - whereas I know what's actually going on is really complicated - so my brain is telling me not to believe my eyes...
– Stuart
Mar 21 '11 at 21:01
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Why does git revert complain about a missing -m option?
...you want to throw away the merge commit:
$ git reset --hard HEAD^
HEAD is now at b7e7176 baz
$ git lola
* b7e7176 (HEAD, master) baz
| * c7256de (otherguy) bar
|/
* 9968f79 foo
As documented in the git rev-parse manual
<rev>^, e.g. HEAD^, v1.5.1^0
A suffix ^ to a revision parameter ...
AngularJS - Access to child scope
...ope) add:
var parentScope = $scope.$parent;
parentScope.child = $scope;
Now the parent has access to the child's scope.
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Apply multiple functions to multiple groupby columns
... 0.687672 1.754877 0.672401
Using apply and returning a Series
Now, if you had multiple columns that needed to interact together then you cannot use agg, which implicitly passes a Series to the aggregating function. When using apply the entire group as a DataFrame gets passed into the fu...