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Different floating point result with optimization enabled - compiler bug?
The below code works on Visual Studio 2008 with and without optimization. But it only works on g++ without optimization (O0).
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How can I call controller/view helper methods from the console in Ruby on Rails?
...one app.get (a thread error ensues). Is there a way I can flush the system and execute more gets?
– JellicleCat
May 22 '12 at 17:53
2
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Pandas dataframe get first row of each group
I have a pandas DataFrame like following.
5 Answers
5
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When is a C++ destructor called?
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1) If the object is created via a pointer and that pointer is later deleted or given a new address to point to, does the object that it was pointing to call its destructor (assuming nothing else is pointing to it)?
It depends on the type of pointers. For example, s...
Find and restore a deleted file in a Git repository
Say I'm in a Git repository. I delete a file and commit that change. I continue working and make some more commits. Then, I find I need to restore that file.
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Is there a vim command to relocate a tab?
... 7.3 (2010 Aug 15, compiled Apr 2 2013 09:17:34) Included patches: 1-547 and +- not supported there, documentation said I should specify zero or positive value
– Vladimir
Sep 10 '13 at 13:41
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How to handle initializing and rendering subviews in Backbone.js?
I have three different ways to initialize and render a view and its subviews, and each one of them has different problems. I'm curious to know if there is a better way that solves all of the problems:
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Can we have functions inside functions in C++?
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Modern C++ - Yes with lambdas!
In current versions of c++ (C++11, C++14, and C++17), you can have functions inside functions in the form of a lambda:
int main() {
// This declares a lambda, which can be called just like a function
auto print_message = [](std::string message)
{
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Commit only part of a file in Git
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You can use git add --patch <filename> (or -p for short), and git will begin to break down your file into what it thinks are sensible "hunks" (portions of the file). It will then prompt you with this question:
Stage this hunk [y,n,q,a,d,/,j,J,g,s,e,?]?
Here is a description of ea...
Remove all special characters from a string [duplicate]
...with URLs, I want to be able to convert titles that could contain anything and have them stripped of all special characters so they only have letters and numbers and of course I would like to replace spaces with hyphens.
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