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Calculating a directory's size using Python?

... This walks all sub-directories; summing file sizes: import os def get_size(start_path = '.'): total_size = 0 for dirpath, dirnames, filenames in os.walk(start_path): for f in filenames: fp = os.path.join(di...
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What are the most-used vim commands/keypresses?

...rouble wading through the gargantuan lists of things you can do in VIM and all of the keypresses for them. I'm tired of hearing "You can use 'I' for inserting text, or 'a' for appending text after the character, or 'A' for appending text at the end of the line, or…" I can't imagine everyone uses a...
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How to fix the “java.security.cert.CertificateException: No subject alternative names present” error

...ager that does not validate certificate chains TrustManager[] trustAllCerts = new TrustManager[] {new X509TrustManager() { public java.security.cert.X509Certificate[] getAcceptedIssuers() { return null; } public void checkClientTrusted(X509...
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JSON Stringify changes time of date because of UTC

... thanks... I actually found a great library here, blog.stevenlevithan.com/archives/date-time-format all you need to do this (maybe it will help you) , you pass false and it doesn't convert. var something = dateFormat(myStartDate, "isoDateTi...
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How do I pass extra arguments to a Python decorator?

... it needs to return another function which is the actual decorator: def my_decorator(param): def actual_decorator(func): print("Decorating function {}, with parameter {}".format(func.__name__, param)) return function_wrapper(func) # assume we defined a wrapper somewhere ret...
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Get Slightly Lighter and Darker Color from UIColor

...so, from @Riley's idea, it may be a better idea to make the color proprtionally darker or lighter instead of adding or subtracting constant values. As @jrturton pointed out, it's not necessary to manipulate the RGB components; it's better to modify the brightness property itself. All in all: @imple...
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How to get object length [duplicate]

... This is actually worse than using a simple loop and counter because of the added overhead of the callback function. – nullability Feb 19 '13 at 17:35 ...
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How do synchronized static methods work in Java and can I use it for loading Hibernate entities?

If I have a util class with static methods that will call Hibernate functions to accomplish basic data access. I am wondering if making the method synchronized is the right approach to ensure thread-safety. ...
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How to show math equations in general github's markdown(not github's blog)

...portant word being "secure" there, considering your question :). Indeed, allowing javascript to be executed would be a bit off of the MarkDown standard text-to-HTML contract. Moreover, everything that looks like a HTML tag is either escaped or stripped out. Tell me how to show math symbols in...
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Genymotion, “Unable to load VirtualBox engine.” on Mavericks. VBox is setup correctly

...nces->Security and Privacy->General (You'll get a popup when you install VirtualBox). share | improve this answer | follow | ...