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What is the difference between JavaScript and ECMAScript?

... I've deduced, ECMAScript is the standard and JavaScript is the implementation. Is this correct? 16 Answers ...
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Are braces necessary in one-line statements in JavaScript?

... you will need them. This is perfectly valid if (cond) alert("Condition met!") else alert("Condition not met!") However it is highly recommended that you always use braces because if you (or someone else) ever expands the statement it will be required. This same practice follows in all...
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What's the difference between getPath(), getAbsolutePath(), and getCanonicalPath() in Java?

...and resolving symlinks (on unixes). Also note the following example with nio.Paths: String canonical_path_string = "C:\\Windows\\System32\\"; String absolute_path_string = "C:\\Windows\\System32\\drivers\\..\\"; System.out.println(Paths.get(canonical_path_string).getParent()); System.out.println(...
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How persistent is localStorage?

....org/en/DOM/Storage In DOM Storage it is not possible to specify an expiration period for any of your data. All expiration rules are left up to the user. In the case of Mozilla, most of those rules are inherited from the Cookie-related expiration rules. Because of this you can probably expect most o...
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ARC and bridged cast

... I agree that the description is confusing. Since I just grasped them, I'll try to summarize: (__bridge_transfer <NSType>) op or alternatively CFBridgingRelease(op) is used to consume a retain-count of a CFTypeRef while transferring it over to...
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Pip freeze vs. pip list

...the "requirements format". Here, django==1.4.2 implies install django version 1.4.2 (even though the latest is 1.6.x). If you do not specify ==1.4.2, the latest version available would be installed. You can read more in "Virtualenv and pip Basics", and the official "Requirements File Format" doc...
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Why #egg=foo when pip-installing from git repo

...#egg=Package so pip knows what to expect at that URL. See https://pip.pypa.io/en/stable/reference/pip_install/#vcs-support more on eggs share | improve this answer | follow ...
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What exactly are unmanaged resources?

...llector does not know about. For example: Open files Open network connections Unmanaged memory In XNA: vertex buffers, index buffers, textures, etc. Normally you want to release those unmanaged resources before you lose all the references you have to the object managing them. You do this by cal...
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Is it possible to dynamically compile and execute C# code fragments?

... The best solution in C#/all static .NET languages is to use the CodeDOM for such things. (As a note, its other main purpose is for dynamically constructing bits of code, or even whole classes.) Here's a nice short example take from LukeH'...
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C# Interfaces. Implicit implementation versus Explicit implementation

...ic void CopyTo(Array array, int index) { throw new NotImplementedException(); } and explicitly as: void ICollection.CopyTo(Array array, int index) { throw new NotImplementedException(); } The difference is that implicit implementation allows you to access the interface through the class...