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Why is Dictionary preferred over Hashtable in C#?

...hread safe (can be safely accessed from several threads concurrently) HybridDictionary - optimized performance (for few items and also for many items) OrderedDictionary - values can be accessed via int index (by order in which items were added) SortedDictionary - items automatically sorted StringDic...
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What is the __del__ method, How to call it?

...omplements __new__ far more than __init__. This gets confusing. See http://www.algorithm.co.il/blogs/programming/python-gotchas-1-del-is-not-the-opposite-of-init/ for an explanation and gotchas. __del__ is not a "well-loved" child in Python. You will notice that sys.exit() documentation does not spe...
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Set time to 00:00:00

...lass Main { static SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); public static void main(String[] args) { Calendar now = Calendar.getInstance(); now.set(Calendar.HOUR, 0); now.set(Calendar.MINUTE, 0); now.set(Calendar.SECOND, 0); ...
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@class vs. #import

... Ben GottliebBen Gottlieb 83.9k2222 gold badges171171 silver badges170170 bronze badges ...
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How to create a self-signed certificate for a domain name for development?

...os for this solution to Mike O'Brien for his excellent blog post at http://www.mikeobrien.net/blog/creating-self-signed-wildcard share | improve this answer | follow ...
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How can I find the number of arguments of a Python function?

... params = sig.parameters print(params['kwarg1']) # prints: kwarg1=20 Additionally, you can call len on sig.parameters to also see the number of arguments this function requires: print(len(params)) # 3 Each entry in the params mapping is actually a Parameter object that has further attribute...
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Creating email templates with Django

...in your templates directory under email.txt: Hello {{ username }} - your account is activated. and an HTMLy one, stored under email.html: Hello <strong>{{ username }}</strong> - your account is activated. You can then send an e-mail using both those templates by making use of get_t...
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The developers of this app have not set up this app properly for Facebook Login?

... 83 Another way of getting it working while you're developing is to make sure that any users that will be using the facebook app are added as t...
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JAX-RS / Jersey how to customize error handling?

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Append a NumPy array to a NumPy array

... Sven MarnachSven Marnach 446k100100 gold badges833833 silver badges753753 bronze badges ...