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What is the difference between NULL, '\0' and 0?
...inter and a null pointer constant.
Additionally, to help readability, the macro NULL is provided in the header file stddef.h. Depending upon your compiler it might be possible to #undef NULL and redefine it to something wacky.
Therefore, here are some valid ways to check for a null pointer:
if (p...
How do you read from stdin?
...ou do it in an interpreter, you'll need to do Ctrl-d if you're on Linux or Mac, or Ctrl-z on Windows (after Enter) to send the end-of-file character to the process. Also, that answer suggests print(line) - which adds a '\n' to the end - use print(line, end='') instead (if in Python 2, you'll need fr...
Git push/clone to new server
... I can't work out. After creating and using a git repository locally on my Mac, can I push a copy to another server somewhere else? I am behind a firewall so unfortunately I can't run git clone from the other machine.
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Pelican 3.3 pelican-quickstart error “ValueError: unknown locale: UTF-8”
...
This solved the problem for me too with anaconda on MAC OSX in fish shell. set -x LC_ALL en_US.UTF-8 set -x LANGen_US.UTF-8
– andershqst
Oct 27 '14 at 16:44
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How can I deploy an iPhone application from Xcode to a real iPhone device?
.../Library/Xcode/Plug-ins/iPhoneOS\ Build\ System\ Support.xcplugin/Contents/MacOS/
dd if=iPhoneOS\ Build\ System\ Support of=working bs=500 count=255
printf "\xc3\x26\x00\x00" >> working
/bin/mv -n iPhoneOS\ Build\ System\ Support iPhoneOS\ Build\ System\ Support.original
/bin/mv working iPhone...
How do I enter RGB values into Interface Builder?
...p because iOS ignores color profiles (for assets).
– Mackie Messer
Sep 25 '15 at 22:45
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Is it possible for git-merge to ignore line-ending differences?
... (Q4 2020), All "mergy" operations that internally use the merge-recursive machinery should honor the merge.renormalize configuration, but many of them didn't.
See commit 00906d6, commit 8d55225, commit 6f6e7cf, commit fe48efb (03 Aug 2020) by Elijah Newren (newren).
(Merged by Junio C Hamano -- git...
Why is #!/usr/bin/env bash superior to #!/bin/bash?
...t version of bash? For example, I want to use bash 4.2, but the bash on my Mac is at 3.2.5.
I could try reinstalling bash in /bin but that may be a bad idea. If I update my OS, it will be overwritten.
However, I could install bash in /usr/local/bin/bash, and setup my PATH to:
PATH="/usr/local/bin...
What is the theoretical maximum number of open TCP connections that a modern Linux box can have
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A slight technicality: A client machine can also have multiple IP addresses assigned from a router. These can all be assigned to a single MAC, or that machine can have multiple physical network interfaces for additional IP addresses. The OP specified 1 IP, ...
Using property() on classmethods
...e syntax for metaclasses has changed in Python 3.x
– mac
Feb 6 '14 at 10:17
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I am not quite sure...