大约有 40,000 项符合查询结果(耗时:0.0626秒) [XML]

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Why do I need an IoC container as opposed to straightforward DI code? [closed]

...start writing. You start with this: public class Customer { public string FirstName { get; set; } public string LastName { get; set; } public DateTime CustomerSince { get; set; } public string Status { get; set; } } ..and end up with this: public class UglyCustomer : INotifyPr...
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How to retrieve a file from a server via SFTP?

...ndling is left as an exercise for the reader :-) JSch jsch = new JSch(); String knownHostsFilename = "/home/username/.ssh/known_hosts"; jsch.setKnownHosts( knownHostsFilename ); Session session = jsch.getSession( "remote-username", "remote-host" ); { // "interactive" version // can select...
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Regular Expression for alphanumeric and underscores

I would like to have a regular expression that checks if a string contains only upper and lowercase letters, numbers, and underscores. ...
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What is the difference between a static and a non-static initialization code block

...nside Static Initializer."); // fruits array ArrayList<String> fruits = new ArrayList<>(); fruits.add("Apple"); fruits.add("Orange"); fruits.add("Pear"); // print fruits for (String fruit : fruits) { System.out.println...
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Possible to do a MySQL foreign key to one of two possible tables?

... do take advantage of database-enforced referential integrity: Create one extra table per target. For example popular_states and popular_countries, which reference states and countries respectively. Each of these "popular" tables also reference the user's profile. CREATE TABLE popular_states ( ...
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Convert base-2 binary number string to int

I'd simply like to convert a base-2 binary number string into an int, something like this: 8 Answers ...
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Why are local variables not initialized in Java?

... chain to the previous exception? I don't remember. Even so, you'd have an extra exception in the way of the real one.) share | improve this answer | follow | ...
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Converting HTML string into DOM elements? [duplicate]

... You can use a DOMParser, like so: var xmlString = "<div id='foo'><a href='#'>Link</a><span></span></div>"; var doc = new DOMParser().parseFromString(xmlString, "text/xml"); console.log(doc.firstChild.innerHTML); // => <a h...
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Capturing Groups From a Grep RegEx

... name="${BASH_REMATCH[1]}" echo "${name}.jpg" # concatenate strings name="${name}.jpg" # same thing stored in a variable else echo "$f doesn't match" >&2 # this could get noisy if there are a lot of non-matching files fi done It's better to put the ...
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json_encode() escaping forward slashes

...ript> tags it's necessary as a </script> anywhere - even inside a string - will end the script tag. Depending on where the JSON is used it's not necessary, but it can be safely ignored. share | ...