大约有 21,000 项符合查询结果(耗时:0.0529秒) [XML]

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What is the difference between `let` and `var` in swift?

...ing let. They need to change during runtime and you must be using var instead. The var defines an ordinary variable. What is interesting: The value of a constant doesn’t need to be known at compile time, but you must assign the value exactly once. Another strange feature: You can use a...
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Getting a File's MD5 Checksum in Java

...ompute the digest while using the input stream as you normally would, instead of having to make an extra pass over the data. MessageDigest md = MessageDigest.getInstance("MD5"); try (InputStream is = Files.newInputStream(Paths.get("file.txt")); DigestInputStream dis = new DigestInputStream(is,...
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Tools to search for strings inside files without indexing [closed]

... strings in an incredibly old legacy application, and the programmers who made it thought it would be a great idea to plaster the entire app with connection strings all over the place. ...
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“register” keyword in C?

What does the register keyword do in C language? I have read that it is used for optimizing but is not clearly defined in any standard. Is it still relevant and if so, when would you use it? ...
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How can I check if an ip is in a network in Python?

Given an ip address (say 192.168.0.1), how do I check if it's in a network (say 192.168.0.0/24) in Python? 27 Answers ...
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How can I check whether a radio button is selected with JavaScript?

I have two radio buttons within an HTML form. A dialog box appears when one of the fields is null. How can I check whether a radio button is selected? ...
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Testing modules in rspec

... The rad way => let(:dummy_class) { Class.new { include ModuleToBeTested } } Alternatively you can extend the test class with your module: let(:dummy_class) { Class.new { extend ModuleToBeTested } } Using 'let' is better ...
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Why am I getting this error: No mapping specified for the following EntitySet/AssociationSet - Entit

... André PenaAndré Pena 45.9k3535 gold badges166166 silver badges211211 bronze badges ...
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Prevent automatic browser scroll on refresh

...s prevents subsequent page scrolls from borking the system. $(document).ready(function() { if (window.location.hash) { //bind to scroll function $(document).scroll( function() { var hash = window.location.hash var hashName = hash.substring(1, hash.length...
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Removing an element from an Array (Java) [duplicate]

...= ArrayUtils.removeElement(array, element) commons.apache.org library:Javadocs share | improve this answer | follow | ...