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Extracting substrings in Go
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It looks like you're confused by the working of slices and the string storage format, which is different from what you have in C.
any slice in Go stores the length (in bytes), so you don't have to care about the cost of the len operation : there is no need to count
Go strings a...
Rails - Validate Presence Of Association?
...ccepts_nested_attributes_for with :allow_destroy => true: Nested models and parent validation. In this topic you can find solution.
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Node.js - Find home directory in platform agnostic way
...indows a user's home directory might be C:\Users[USERNAME] or C:\Documents and Settings[USERNAME] depending on which version of Windows is being used. On Unix this isn't an issue.
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Setting the Vim background colors
... change the background colors in .vimrc or directly in Vim using the command:
4 Answers
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Does running git init twice initialize a repository or reinitialize an existing repo?
... points to somewhere else, the existing .git directory will be moved there and replaced by a link.
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Visual Studio jump to next error shortcut?
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F8 (and Shift+F8 to go backwards).
Or at least that's what it is in my keyboard profile - you can go to tools\options\environment\keyboard and check out Edit.GoToNextLocation.
Note If you configured Visual Studio using VB keybo...
Permanently Set Postgresql Schema Path
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(And if you have no admin access to the server)
ALTER ROLE <your_login_role> SET search_path TO a,b,c;
Two important things to know about:
When a schema name is not simple, it needs to be wrapped in double quotes.
T...
Logging framework incompatibility
I'm building a small Java app and hoping to use logback for logging.
3 Answers
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How do I get the filepath for a class in Python?
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This is the wrong approach for Django and really forcing things.
The typical Django app pattern is:
/project
/appname
models.py
views.py
/templates
index.html
etc.
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How to open a file for both reading and writing?
Is there a way to open a file for both reading and writing?
4 Answers
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