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Python - Create a list with initial capacity

... This isn't valid; you're formatting a string with each iteration, which takes forever relative to what you're trying to test. Additionally, given that 4% can still be significant depending on the situation, and it's an underestimate... – Ph...
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How to convert Strings to and from UTF8 byte arrays in Java

In Java, I have a String and I want to encode it as a byte array (in UTF8, or some other encoding). Alternately, I have a byte array (in some known encoding) and I want to convert it into a Java String. How do I do these conversions? ...
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When are C++ macros beneficial? [closed]

...e original snippet: << FILE ":" << is fine, FILE generates a string constant, which will be concatenated with the ":" into a single string by the pre-processor. – Frank Szczerba Mar 19 '09 at 23:59 ...
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Any reason to prefer getClass() over instanceof when generating .equals()?

...return super.equals(object) when !(object instanceof Dog) but checking the extra fields when it is a Dog instance wouldn't violate symmetry but would violate transitivity) – Shadow Man Jul 16 '19 at 0:16 ...
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Pretty-print C++ STL containers

... that match those criteria but aren't actually containers, like std::basic_string. Also like Marcelo's version, it uses templates that can be specialized to specify the delimiters to use. The major difference is that I've built my version around a pretty_ostream_iterator, which works similar to the...
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jQuery Ajax calls and the Html.AntiForgeryToken()

... it from the hidden input literal that the MVC Helper generates. The Magic string that is the header name is defined as a constant in the attribute class. <script type="text/javascript"> $(document).ready(function () { var isAbsoluteURI = new RegExp('^(?:[a-z]+:)?//', 'i'); ...
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How to automate createsuperuser on django?

...peruser('admin', 'admin@example.com', 'adminpass')" This doesn't uses an extra echo, this has the benefit that you can pass it to a docker container for execution. Without the need to use sh -c "..." which gets you into quote escaping hell. And remember that first comes username, than the email. ...
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Is there a standard way to list names of Python modules in a package?

...name) => ["module1_name", "module2_name"]. I suppose I could parse the string returned by help, but that seems more roundabout than listing the directory. – DNS Jan 28 '09 at 21:56 ...
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Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [

...ion) : base(null, innerException) { } public override string Message { get { var innerException = InnerException as DbEntityValidationException; if (innerException != null) { StringBuilder sb = new StringBui...
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Find current directory and file's directory [duplicate]

...h) (returns "the directory name of pathname path") os.getcwd() (returns "a string representing the current working directory") os.chdir(path) ("change the current working directory to path") share | ...