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Where does 'Hello world' come from?
...y programming language. I've always wondered where this sentence came from and where was it first used.
7 Answers
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Assign output of os.system to a variable and prevent it from being displayed on the screen [duplicat
I want to assign the output of a command I run using os.system to a variable and prevent it from being output to the screen. But, in the below code ,the output is sent to the screen and the value printed for var is 0, which I guess signifies whether the command ran successfully or not. Is there ...
github locks up mac terminal when using pull command
I'm in the process of learning github on mac (command-line) and whenever I do git pull origin master i get this
8 Answers...
How to completely remove an issue from GitHub?
...entered in error"
At May 2018, original answer:
Three 8 years later, and closing issues remains the answer (still no deletion possible).
See "The Ghost of Issues Past", where GitHub advise to check and close:
issues opened over a year ago state:open created:<2013-01-01
the ones I'm invol...
git difftool, open all diff files immediately, not in serial
...m a directory diff.
This feature works well with Meld 3.14.2 for example, and lets you browse all modified files:
git difftool --dir-diff --tool=meld HEAD~ HEAD
This is a handy Bash function:
git-diff-meld() (
git difftool --dir-diff --tool=meld "${1:-HEAD~}" "${2:-HEAD}"
)
The answer that ...
Set transparent background using ImageMagick and commandline prompt
Suppose you have any image (PNG or JPG).
This image has a white background and I need to make this background transparent.
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Real escape string and PDO [duplicate]
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You should use PDO Prepare
From the link:
Calling PDO::prepare() and PDOStatement::execute() for statements that will be issued multiple times with different parameter values optimizes the performance of your application by allowing the driver to negotiate client and/or server side caching...
socket.shutdown vs socket.close
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Calling close and shutdown have two different effects on the underlying socket.
The first thing to point out is that the socket is a resource in the underlying OS and multiple processes can have a handle for the same underlying socket.
W...
'git' is not recognized as an internal or external command
...ve an installation of Git for Windows, but when I try to use the git command in Command Prompt, I get the following error:
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What is Activity.finish() method doing exactly?
I'm developing android applications for a while, and followed a lot of posts about activity life cycle, and application's life cycle.
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