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Copy multiple files in Python

....copy to do the copying. The following code copies only the regular files from the source directory into the destination directory (I'm assuming you don't want any sub-directories copied). import os import shutil src_files = os.listdir(src) for file_name in src_files: full_file_name = os.path....
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How do I convert an existing callback API to promises?

...ctions should never throw, they should return rejections instead. Throwing from a promise returning function will force you to use both a } catch { and a .catch. People using promisified APIs do not expect promises to throw. If you're not sure how async APIs work in JS - please see this answer first...
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What's the difference between faking, mocking, and stubbing?

... You can get some information : From Martin Fowler about Mock and Stub Fake objects actually have working implementations, but usually take some shortcut which makes them not suitable for production Stubs provide canned answers to calls made during the test...
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Is there a difference between “throw” and “throw ex”?

... throw ex resets the stack trace (so your errors would appear to originate from HandleException) throw doesn't - the original offender would be preserved. static void Main(string[] args) { try { Method2(); } catch (Exception ex) { Console.Write(ex.StackTrace.ToSt...
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getenv() vs. $_ENV in PHP

...variable: Via sapi_getenv (e.g. if it's getting the environment variable from Apache) If on Windows, from GetEnvironmentVariableA. If on non-Windows, from the getenv function provided by libc. As far as I can tell, the only time when it will behave in a case-insensitive manner is on Windows beca...
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Ruby on Rails and Rake problems: uninitialized constant Rake::DSL

... A tweet from DHH earlier. Rake .9.0 breaks Rails and several other things, you need to: gem "rake", "0.8.7" in your Gemfile. share | ...
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What does denote in C# [duplicate]

... @ulkas: From here: "The preference for generic classes is to use generic interfaces, such as IComparable<T> rather than IComparable, in order to avoid boxing and unboxing operations on value types." – Robe...
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How to convert CFStringRef to NSString?

How can I get a new NSString from aCFString ? 8 Answers 8 ...
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Cannot set content-type to 'application/json' in jQuery.ajax

... It would seem that removing http:// from the url option ensures the the correct HTTP POST header is sent. I dont think you need to fully qualify the name of the host, just use a relative URL as below. $.ajax({ type: "POST", contentType: "applic...
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Git Ignores and Maven targets

...e files. Indeed, if you look in the gitignore man page: Patterns read from a .gitignore file in the same directory as the path, or in any parent directory… So this should work for you. share | ...