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How do I use brew installed Python as the default Python?
I try to switch to Homebrew (after using fink and macport) on Mac OS X 10.6.2. I have installed python 2.7 with
19 Answers...
Converting NSString to NSDate (and back again)
...at to match our input string
// if the format doesn't match you'll get nil from your string, so be careful
dateFormatter.dateFormat = "dd-MM-yyyy"
//`date(from:)` returns an optional so make sure you unwrap when using.
var dateFromString: Date? = dateFormatter.date(from: dateString)
Date to Stri...
static files with express.js
I want to serve index.html and /media subdirectory as static files. The index file should be served both at /index.html and / URLs.
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What does enctype='multipart/form-data' mean?
...do printf '' | nc -l 8000 localhost; done
Open the HTML on your browser, select the files and click on submit and check the terminal.
nc prints the request received.
Tested on: Ubuntu 14.04.3, nc BSD 1.105, Firefox 40.
multipart/form-data
Firefox sent:
POST / HTTP/1.1
[[ Less interesting hea...
ImportError: No module named MySQLdb
...application.
http://code.tutsplus.com/tutorials/intro-to-flask-signing-in-and-out--net-29982
11 Answers
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NSOperation vs Grand Central Dispatch
...tions and NSOperationQueues with blocks and dispatch queues. This has come from how I've used both technologies in practice, and from the profiling I've performed on them.
First, there is a nontrivial amount of overhead when using NSOperations and NSOperationQueues. These are Cocoa objects, and the...
GCC -fPIC option
...able for inclusion in a library - the library must be able to be relocated from its preferred location in memory to another address, there could be another already loaded library at the address your library prefers.
share
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Why do you need to put #!/bin/bash at the beginning of a script file?
...e written specific for Bash.
Bash has evolved over the years taking code from ksh and sh.
Adding #!/bin/bash as the first line of your script, tells the OS to invoke the specified shell to execute the commands that follow in the script.
#! is often referred to as a "hash-bang", "she-bang" or "...
Maximum packet size for a TCP connection
...get the maximum packet size by subtracting the size of the hardware header from that, which is 14 for ethernet with no VLAN.
This is only the case if the MTU is at least that large across the network. TCP may use path MTU discovery to reduce your effective MTU.
The question is, why do you care?
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What's the best way to check if a file exists in C?
...is question when looking for the reason access() broke in my code. I moved from DevC++ to CodeBlocks and it stopped working. So, it's not infallible; +1 more to @Leffler.
– Ben
Dec 13 '10 at 6:10
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