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Is there a way to access method arguments in Ruby?
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You could then display the name and value of each parameter with
logger.error "Method failed with " + args.map { |arg| "#{arg} = #{eval arg}" }.join(', ')
Note: since this answer was originally written, in current versions of Ruby eval can no longer be called with a symbol. To address this, a...
How to see which plugins are making Vim slow?
Is there a way to profile Vim plugins?
6 Answers
6
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Rails and PostgreSQL: Role postgres does not exist
...e many people said here, run createuser -s USER, but that gave me the same error. This finally worked for me:
$ sudo su
# su postgres
# createuser -s --username=postgres MYUSERNAME
The createuser -s --username=postgres creates a superuser (-s flag) by connecting as postgres (--username=postgres ...
How do I convert a Vector of bytes (u8) to a string
...::str;
//
// pub fn from_utf8(v: &[u8]) -> Result<&str, Utf8Error>
//
// Assuming buf: &[u8]
//
fn main() {
let buf = &[0x41u8, 0x41u8, 0x42u8];
let s = match str::from_utf8(buf) {
Ok(v) => v,
Err(e) => panic!("Invalid UTF-8 sequence: {}", e...
ImportError: No module named Crypto.Cipher
...to run app.py (Python 3.3, PyCrypto 2.6) my virtualenv keeps returning the error listed above. My import statement is just from Crypto.Cipher import AES . I looked for duplicates and you might say that there are some, but I tried the solutions (although most are not even solutions) and nothing work...
How to suppress Update Links warning?
I'm trying to write a script that opens many Excel files. I keep getting the prompt:
7 Answers
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Entity Framework: table without primary key
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The error means exactly what it says.
Even if you could work around this, trust me, you don't want to. The number of confusing bugs that could be introduced is staggering and scary, not to mention the fact that your performan...
Can't find the 'libpq-fe.h header when trying to install pg gem
...SQL, but the problem is installing the pg gem. It gives me the following error:
41 Answers
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Client to send SOAP request and receive response
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I am getting the following error and the code terminates: 'soap' is an undeclared prefix. Line 2, position 18. am I missing something? The SOAP UI request for my webservice can be found here: stackoverflow.com/questions/50430398/…
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std::cin input with spaces?
...g, for example, if (!cin.getline(input, sizeof(input))) { ...handle EOF or error... } or something similar, to remind the OP that input operations, in particular, are vulnerable to unexpected behaviour. Other answers need this too.
– Jonathan Leffler
Jun 15 '13...