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How To Check If A Key in **kwargs Exists?

...efix variable. If it is given, then its value is being used. This is generally a compact and readable recipe for writing wrappers for any kind of function: Always just pass-through arguments you don't understand, and don't even know if they exist. If you always pass through *args and **kwargs you m...
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How do you UrlEncode without using System.Web?

I am trying to write a windows client application that calls a web site for data. To keep the install to a minimum I am trying only use dlls in the .NET Framework Client Profile . Trouble is that I need to UrlEncode some parameters, is there an easy way to do this without importing System.Web.dll w...
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Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?

... with x[numpy.ix_([0,2],[1,3])]. This can save you from having to enter in all of those extra brackets. share | improve this answer | follow | ...
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Conditional HTML Attributes using Razor MVC3

...s" /> If strCSSClass is null then the class attribute won't render at all. SSSHHH...don't tell. :) share | improve this answer | follow | ...
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How to add a new method to a php object on the fly?

... You can harness __call for this: class Foo { public function __call($method, $args) { if (isset($this->$method)) { $func = $this->$method; return call_user_func_array($func, $args); } ...
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How can I implement an Access Control List in my Web MVC application?

...ion, the best way to approach this would be to use decorator pattern, Basically, this means that you take your object, and place it inside another object, which will act like a protective shell. This would NOT require you to extend the original class. Here is an example: class SecureContainer { ...
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How does the C# compiler detect COM types?

...peech API, where you're able to "instantiate" the interface SpVoice (but really, you're instantiating SPVoiceClass). [CoClass(typeof(SpVoiceClass))] public interface SpVoice : ISpeechVoice, _ISpeechVoiceEvents_Event { } sh...
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Printing a variable memory address in swift

...er was quite old. Many of the methods it describes no longer work. Specifically .core cannot be accessed anymore. However @drew's answer is correct and simple: This is now part of the standard library: unsafeAddressOf. So the answer to your questions is: println(" str value \(str) has addre...
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How do I test for an empty JavaScript object?

...do you post answer including jQuery if the question is not about jQuery at all? – Eru Oct 1 '12 at 14:10 48 ...
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How can I use pickle to save a dict?

...ickle', 'wb') as handle: pickle.dump(a, handle, protocol=pickle.HIGHEST_PROTOCOL) with open('filename.pickle', 'rb') as handle: b = pickle.load(handle) print a == b share | improve this a...