大约有 48,000 项符合查询结果(耗时:0.0584秒) [XML]

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What is the difference between persist() and merge() in JPA and Hibernate?

...entity (updated) and a copy of this updated entity will return back. (from now on any changes should be made on this returned entity if you want to reflect your changes in persistence context) share | ...
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To ternary or not to ternary? [closed]

...erseOrder)) { return -1; else return 0; } Now compare that with this: int compareTo(Object object) { if(isLessThan(object)) return reverseOrder ? 1 : -1; else(isGreaterThan(object)) return reverseOrder ? -1 : 1; else ...
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Detecting programming language from a snippet

...e snippet into words. Then you compare the occurences of these words with known snippets, and compute the probability that this snippet is written in language X for every language you're interested in. http://en.wikipedia.org/wiki/Bayesian_spam_filtering If you have the basic mechanism then it's v...
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Grunt watch error - Waiting…Fatal error: watch ENOSPC

... it didn't help, i tried with sudo and now it's working for me. – asedsami Jan 19 '16 at 1:19 6 ...
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Inject errors into already validated form?

...collision I'd like to send the form back with an error on it, but I won't know until I actually try to do the database insert. (In theory the validator could check the database, but that smells and is race-prone.) – Weeble May 19 '10 at 15:53 ...
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Bootstrap modal: background jumps to top on toggle

...ide the bootstrap.css style: body.modal-open { overflow: visible; } Now the scroll should stay in place. share | improve this answer | follow | ...
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How can I parse a string with a comma thousand separator to a number?

... Yeah, but now the decimal places are lost. 2300.00 results in 2300 for example. – user1540714 Jul 26 '12 at 9:18 ...
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How do I import a Swift file from another Swift file?

... UPDATE Swift 2.x, 3.x, 4.x and 5.x Now you don't need to add the public to the methods to test then. On newer versions of Swift it's only necessary to add the @testable keyword. PrimeNumberModelTests.swift import XCTest @testable import MyProject class Prim...
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How do I escape spaces in path for scp copy in Linux?

I'm new to linux, I want to copy a file from remote to local system... now I'm using scp command in linux system.. I have some folders or files names are with spaces, when I try to copy that file, it shows the error message: "No such file or directory" ...
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Executing a command stored in a variable from PowerShell

...zip', 'C:\TEMP\with space\changelog' & $cmd $prm If the command is known (7z.exe) and only parameters are variable then this will do $prm = 'a', '-tzip', 'c:\temp\with space\test1.zip', 'C:\TEMP\with space\changelog' & 7z.exe $prm BTW, Invoke-Expression with one parameter works for me...