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How to measure time taken between lines of code in python?
... Windows. It's better to use time.time() where behaviour doesn't vary with OS. stackoverflow.com/questions/85451/…
– Tim
Jan 22 '13 at 6:53
...
ByteBuffer.allocate() vs. ByteBuffer.allocateDirect()
...ually the
best choice for I/O operations. By
design, they support the most
efficient I/O mechanism available to
the JVM. Nondirect byte buffers can be
passed to channels, but doing so may
incur a performance penalty. It's
usually not possible for a nondirect
buffer to be the target o...
Automatically open Chrome developer tools when new tab/new window is opened
...ht about a defined PATH method that you could invoke from prompt. This is possible with the SendKeys command, but again, only on a new instance. And DevTools doesn't persist to new tabs.
Browsing the Google Product Forums, there doesn't seem to be a built-in way to do this in Chrome. You'll have to...
When to use std::forward to forward arguments?
...hit upon an example of a bank account that we pass along
the cash to be deposited as an argument.
So if we have a const version of an account we should expect when we pass it to our deposit template<> that the const function is called; and this then throws an exception (the idea being this wa...
git pull error :error: remote ref is at but expected
...are running git under a file system that is not case sensitive (Windows or OS X) this will occur if there are two branches with the same name but different capitalisation, e.g. user_model_changes and User_model_changes as both of the remote branches will match the same tracking ref.
Delete the wron...
Detect iPad Mini in HTML5
... more ways than we'd want. In JavaScript, the window.navigator object exposes the same values for the Mini and iPad 2. My tests so far to detect the difference have not lead to success.
...
How to add leading zeros for for-loop in shell? [duplicate]
...r i in {01..05}; do echo "$i"; done
01
02
03
04
05
Disclaimer: Leading zeros only work in >=bash-4.
If you want to use printf, nothing prevents you from putting its result in a variable for further use:
$ foo=$(printf "%02d" 5)
$ echo "${foo}"
05
...
How can I calculate the difference between two dates?
...e number of seconds between two NSDate objects will always be time-zone-agnostic.
Furthermore, this documentation specifies that Cocoa's implementation of time does not account for leap seconds, so if you require such accuracy, you will need to roll your own implementation.
...
How to install psycopg2 with “pip” on Python?
...s. Below are solutions for Linux, Mac users, since lots of them find this post through web searches.
Option 1
Install the psycopg2-binary PyPI package instead, it has Python wheels for Linux and Mac OS.
pip install psycopg2-binary
Option 2
Install the prerequsisites for building the psycop...
configure: error: C compiler cannot create executables
...s 4.0.1. This may be left over from migrating from an older version of the OS. If you've installed Xcode 4.3.x, you need to launch it, go into its preferences, select the Downloads tab, and click "Install" next to the Command Line Tools package.
...