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Build .so file from .c file using gcc command line
...llo.c -o hello.o
This will generate an object file (.o), now you take it and create the .so file:
gcc hello.o -shared -o libhello.so
EDIT: Suggestions from the comments:
You can use
gcc -shared -o libhello.so -fPIC hello.c
to do it in one step. – Jonathan Leffler
I also suggest to add -W...
Static files in Flask - robot.txt, sitemap.xml (mod_wsgi)
...on to store static files in Flask's application root directory.
robots.txt and sitemap.xml are expected to be found in /, so my idea was to create routes for them:
...
How to create a Menubar application for Mac
...
I implemented the example described in SteamTrout's link and put it on github. It is here: github.com/wanderingstan/IPMenuletExample
– Stan James
Nov 23 '12 at 18:28
...
Find the most common element in a list
...-- [itertools.groupby][1]. itertools offers fast, reusable functionality, and lets you delegate some tricky logic to well-tested standard library components. Consider for example:
import itertools
import operator
def most_common(L):
# get an iterable of (item, iterable) pairs
SL = sorted((x,...
Most efficient way to store thousand telephone numbers
...digits left. We view these remaining five digits as 17-bit binary integers and store k of those bits using one method and 17 - k = m with a different method, determining k at the end to minimize the required space.
We first sort the phone numbers (all reduced to 5 decimal digits). Then we count how...
Best way to find if an item is in a JavaScript array? [duplicate]
...ample, see Erik Arvidsson's array extras (also, the associated blog post). And then you can use indexOf without worrying about browser support. Here's a slightly optimised version of his indexOf implementation:
if (!Array.prototype.indexOf) {
Array.prototype.indexOf = function (obj, fromIndex) ...
How to stop Flask from initialising twice in Debug Mode? [duplicate]
When building a Flask service in Python and setting the debug mode on, the Flask service will initialise twice. When the initialisation loads caches and the like, this can take a while. Having to do this twice is annoying when in development (debug) mode. When debug is off, the Flask service only in...
How to download Xcode DMG or XIP file?
...
You can find the DMGs or XIPs for Xcode and other development tools on https://developer.apple.com/download/more/ (requires Apple ID to login).
You must login to have a valid session before downloading anything below.
*(Newest on top. For each minor version (6.3, 5...
Programmatically Determine a Duration of a Locked Workstation?
... this before, but from any application you can hookup a SessionSwitchEventHandler. Obviously 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_Se...
Why is “while ( !feof (file) )” always wrong?
...
I'd like to provide an abstract, high-level perspective.
Concurrency and simultaneity
I/O operations interact with the environment. The environment is not part of your program, and not under your control. The environment truly exists "concurrently" with your program. As with all things concurr...