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How to capture no file for fs.readFileSync()?
Within node.js readFile() shows how to capture an error, however there is no comment for the readFileSync() function regarding error handling. As such, if I try to use readFileSync() when there is no file, I get the error Error: ENOENT, no such file or directory .
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How to POST JSON Data With PHP cURL?
...re). Instead, on your second page, you can nab the incoming request using file_get_contents("php://input"), which will contain the POSTed json. To view the received data in a more readable format, try this:
echo '<pre>'.print_r(json_decode(file_get_contents("php://input")),1).'</pre>...
What is an undefined reference/unresolved external symbol error and how do I fix it?
...tion is specified by the following phases [see footnote].
Physical source file characters are mapped, in an implementation-defined manner, to the basic source character set
(introducing new-line characters for end-of-line indicators) if
necessary. [SNIP]
Each instance of a backslash character (\) i...
Is there a short cut for going back to the beginning of a file by vi editor?
When reading a long file by vi editor, it would be very nice to get back to the beginning of the file by some short cuts when you really need to do so. Even ctrl + B sometimes is too slow. Does anyone know such a tool?
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Adding a column to an existing table in a Rails migration
...email_to_users email:string will do the trick).
It will create a migration file containing line:
add_column :users, email, string
Then do a rake db:migrate and it'll run the new migration, creating the new column.
If you have not yet run the original migration you can just edit it, like you're tryi...
How do I get the path of the current executed file in Python?
...script being executed. After all, sometimes the script didn't come from a file at all. For example, it could come from the interactive interpreter or dynamically generated code stored only in memory.
However, you can reliably determine the location of a module, since modules are always loaded fro...
What's the difference between Perl's backticks, system, and exec?
...rom a process's STDOUT (but not both at the same time).
#read from a gzip file as if it were a normal file
open my $read_fh, "-|", "gzip", "-d", $filename
or die "could not open $filename: $!";
#write to a gzip compressed file as if were a normal file
open my $write_fh, "|-", "gzip", $filename...
Resuming git-svn clone
...git svn fetch does the trick. I was doing a git svn clone url... --authors-file=path/to/file and the clone failed because one of the authors wasn't in the authors file. I added the author to the file and ran git svn fetch and it continued from where it left off and looking at the git log later, it s...
Most pythonic way to delete a file which may not exist
I want to delete the file filename if it exists. Is it proper to say
13 Answers
13
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(Mac) -bash: __git_ps1: command not found
...it out the __git_ps1 function from the completion functionality into a new file (git-prompt.sh). The commit that introduced this change, which explains the rationale, is af31a456.
I would still suggest that you just source the version of git-completion.bash (or git-prompt.sh) that is bundled with ...