大约有 43,000 项符合查询结果(耗时:0.0416秒) [XML]

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How do I find the install time and date of Windows?

...the last feature update was installed, not the original install date.) To convert that number into a readable date/time just paste the decimal value in the field "UNIX TimeStamp:" of this Unix Time Conversion online tool. s...
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Generic List - moving an item within the list

So I have a generic list, and an oldIndex and a newIndex value. 10 Answers 10 ...
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How do I replace the *first instance* of a string in .NET?

... since it's utilizing a full featured parser where my method does one find and three string concatenations. EDIT2: If this is a common task, you might want to make the method an extension method: public static class StringExtension { public static string ReplaceFirst(this string text, string sea...
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Is std::vector so much slower than plain arrays?

...d::vector is "implemented as an array," blah blah blah. Today I went down and tested it, and it seems to be not so: 22 Ans...
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Simple way to transpose columns and rows in SQL?

How do I simply switch columns with rows in SQL? Is there any simple command to transpose? 9 Answers ...
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Can I multiply strings in Java to repeat sequences? [duplicate]

...tion]).replace("\0", "-") Replace generation with number of repetitions, and the "-" with the string (or char) you want repeated. All this does is create an empty string containing n number of 0x00 characters, and the built-in String#replace method does the rest. Here's a sample to copy and past...
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Try-finally block prevents StackOverflowError

...n from the invocation of foo() inside the try, you call foo() from finally and start recursing again. When that causes another exception, you'll call foo() from another inner finally(), and so on almost ad infinitum. share ...
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TreeMap sort by value

...s Integer using ==. This is almost always wrong, since == with Integer operands is a reference equality, not value equality. System.out.println(new Integer(0) == new Integer(0)); // prints "false"!!! Related questions When comparing two Integers in Java does auto-unboxing occur? (NO!!!) Is ...
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Items in JSON object are out of order using “json.dumps”?

I'm using json.dumps to convert into json like 6 Answers 6 ...
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static const vs #define

... generating warnings. Advantages of "const"s are that they can be scoped, and they can be used in situations where a pointer to an object needs to be passed. I don't know exactly what you are getting at with the "static" part though. If you are declaring globally, I'd put it in an anonymous namesp...