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gdb fails with “Unable to find Mach task port for process-id” error
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In Snow Leopard and later Mac OS versions, it isn't enough to codesign the gdb executable.
You have to follow this guide to make it work: http://www.opensource.apple.com/source/lldb/lldb-69/docs/code-signing.txt
The guide explains how to d...
Rails 3 migrations: Adding reference column?
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EDIT: This is an outdated answer and should not be applied for Rails 4.x+
You don't need to add references when you can use an integer id to your referenced class.
I'd say the advantage of using references instead of a plain integer is that the model will ...
Using build types in Gradle to run same app that uses ContentProvider on one device
...name suffix to my debug app so I could have release version that I'm using and debug version on one phone. I was referencing this: http://tools.android.com/tech-docs/new-build-system/user-guide#TOC-Build-Types
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How to format a UTC date as a `YYYY-MM-DD hh:mm:ss` string using NodeJS?
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If you're using Node.js, you're sure to have EcmaScript 5, and so Date has a toISOString method. You're asking for a slight modification of ISO8601:
new Date().toISOString()
> '2012-11-04T14:51:06.157Z'
So just cut a few things out, and you're set:
new Date().toISOString().
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How to import and use different packages of the same name in Go language?
For example, I want to use both text/template and html/template in one source file.
But the code below throw errors.
2 Ans...
Capturing URL parameters in request.GET
...haha, you would use request.GET.get('q', '').
q is the parameter you want, and '' is the default value if q isn't found.
However, if you are instead just configuring your URLconf**, then your captures from the regex are passed to the function as arguments (or named arguments).
Such as:
(r'^user/(?P&...
How to check type of files without extensions in python?
I have a folder full of files and they don't have an extension. How can I check file types? I want to check the file type and change the filename accordingly. Let's assume a function filetype(x) returns a file type like png . I want to do this:
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How to force 'cp' to overwrite directory instead of creating another one inside?
...cript that will overwrite an existing directory. I have a directory foo/ and I am trying to overwrite bar/ with it. But when I do this:
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Get names of all files from a folder with Ruby
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You also have the shortcut option of
Dir["/path/to/search/*"]
and if you want to find all Ruby files in any folder or sub-folder:
Dir["/path/to/search/**/*.rb"]
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Extension methods must be defined in a non-generic static class
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The class which defines an extension method must be non-generic, static and non-nested
Every extension method must be a static method
The first parameter of the extension method should use the this keyword.
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