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Pry: show me the stack
... down), display the callstack (with show-stack), and so on:
see here:
Frame number: 0/64
From: /Users/johnmair/ruby/rails_projects/personal_site/app/controllers/posts_controller.rb @ line 7 PostsController#index:
5: def index
6: @posts = Post.all
=> 7: binding.pry
8: end
[1]...
How do I fix PyDev “Undefined variable from import” errors?
...doesn't execute (the static code-analysis only sees what you see, not runtime info -- if you opened that module yourself, you'd have no indication that main was expected).
To overcome this there are some choices:
If it is some external module, it's possible to add it to the forced builtins so tha...
How to quietly remove a directory with content in PowerShell
Using PowerShell, is it possible to remove some directory that contains files without prompting to confirm action?
13 Answe...
SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”. error
The above error came after updating the m2e to version 1.1. By removing m2e 1.1 and rolling back to m2e 1.0 everything worked fine. I tried to repeat the problem in Windows and Ubuntu and it gave me the exact same error. Numerous configurations of the slf4j-api and logback were tested but none see...
Why is access to the path denied?
...
According to File.Delete Method...
An UnauthorizedAccessException means one of 4 things:
The caller does not have the required permission.
The file is an executable file that is in use.
Path is a directory.
Path specified a read-only file.
...
How do you view ALL text from an ntext or nvarchar(max) in SSMS?
...ow do you view ALL text from an NTEXT or NVARCHAR(max) in SQL Server Management Studio? By default, it only seems to return the first few hundred characters (255?) but sometimes I just want a quick way of viewing the whole field, without having to write a program to do it. Even SSMS 2012 still has ...
Why does i = i + i give me 0?
...
The issue is due to integer overflow.
In 32-bit twos-complement arithmetic:
i does indeed start out having power-of-two values, but then overflow behaviors start once you get to 230:
230 + 230 = -231
-231 + -231 = 0
...in int arithmetic, since it's essentially arithmetic mod 2^32.
...
How to upgrade Git to latest version on macOS?
...
It's simple if you already have Homebrew:
Assuming you have homebrew installed, type the following:
brew install git
This should automatically install git and set it in your path, replacing the Apple one. Quit and restart terminal. Check git version to confi...
How to permanently remove few commits from remote branch
...restore the index and working tree, like a git reset --hard would.
The documentation adds:
-C <new-branch>
--force-create <new-branch>
Similar to --create except that if <new-branch> already exists, it will be reset to <start-point>.
This is a convenient shortcut fo...
How to increase storage for Android Emulator? (INSTALL_FAILED_INSUFFICIENT_STORAGE)
I get this sometimes(not often) for one of my projects, couple of classes only
Installation error: INSTALL_FAILED_INSUFFICIENT_STORAGE
...