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Is optimisation level -O3 dangerous in g++?
I have heard from various sources (though mostly from a colleague of mine), that compiling with an optimisation level of -O3 in g++ is somehow 'dangerous', and should be avoided in general unless proven to be necessary.
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Learning Ruby on Rails
...lementation is cleaner on linux.
Currently I'm dual booting and getting closer to running Ubuntu full time. I'm using gedit with various plugins for the development environment. And as of late 2010, I'm making the push to use Vim for development, even over Textmate on OS X.
A large amount of the ...
Error to install Nokogiri on OSX 10.9 Maverick?
I upgraded my OSX (Lion) to Mavericks and I can't install Nokogiri for my projects.
30 Answers
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Python read-only property
... answered Sep 27 '16 at 4:31
Oz123Oz123
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Unzipping files in Python
... zip_ref:
zip_ref.extractall("targetdir")
You dont need to use the close or try/catch with this as it uses the
context manager construction.
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live output from subprocess command
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Executive Summary (or "tl;dr" version): it's easy when there's at most one subprocess.PIPE, otherwise it's hard.
It may be time to explain a bit about how subprocess.Popen does its thing.
(Caveat: this is for Python 2.x, although 3.x is similar; and I'm quite fuzzy on the Windows variant. ...
An error occurred while installing pg (0.17.1), and Bundler cannot continue
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I'm on a Mac running Mavericks. My solution was to install Postgres.
And then in terminal install using homebrew with the configuration:
gem install pg -- --with-pg-config=/Applications/Postgres.app/Contents/Versions/latest/bin/pg_config
Note: This answer has been edited to use th...
How do I update the password for Git?
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To fix this on macOS, you can use
git config --global credential.helper osxkeychain
A username and password prompt will appear with your next Git action (pull, clone, push, etc.).
For Windows, it's the same command with a different argume...
Applying a function to every row of a table using dplyr?
...red May 22 '17 at 21:26
CoderGuy123CoderGuy123
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Programmatically Determine a Duration of a Locked Workstation?
...ously your application will need to be running, but so long as it is:
Microsoft.Win32.SystemEvents.SessionSwitch += new Microsoft.Win32.SessionSwitchEventHandler(SystemEvents_SessionSwitch);
void SystemEvents_SessionSwitch(object sender, Microsoft.Win32.SessionSwitchEventArgs e)
{
if (e.Reason...