大约有 47,000 项符合查询结果(耗时:0.0950秒) [XML]

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Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory”

... 90 +100 As a gen...
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Purpose of Unions in C and C++

...behavior is described as producing implementation-defined behavior in C89/90. EDIT: Using unions for the purposes of type punning (i.e. writing one member and then reading another) was given a more detailed definition in one of the Technical Corrigenda to the C99 standard (see DR#257 and DR#283). H...
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Calculate size of Object in Java [duplicate]

...ating the object and then recording the difference, but it would only give 0 or 131304, and nothing in between, regardless of the number of elements in the structure. Help please! ...
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How can I listen for a click-and-hold in jQuery?

...e an event when a user clicks on a button, then holds that click down for 1000 to 1500 ms. 8 Answers ...
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How do I create and read a value from cookie?

...var date = new Date(); date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000)); expires = "; expires=" + date.toGMTString(); } else { expires = ""; } document.cookie = name + "=" + value + expires + "; path=/"; } function getCookie(c_name) { if (docum...
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Does JavaScript have the interface type (such as Java's 'interface')?

... answered Sep 14 '10 at 15:26 cHaocHao 76.3k1818 gold badges132132 silver badges164164 bronze badges ...
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Passing a method as a parameter in Ruby

... 100 You want a proc object: gaussian = Proc.new do |dist, *args| sigma = args.first || 10.0 .....
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Why can't I call read() twice on an open file?

...question directly, once a file has been read, with read() you can use seek(0) to return the read cursor to the start of the file (docs are here). If you know the file isn't going to be too large, you can also save the read() output to a variable, using it in your findall expressions. Ps. Dont forge...
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Get name of current class?

...uval Adam 144k8383 gold badges282282 silver badges380380 bronze badges 1 ...
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Why do we usually use || over |? What is the difference?

...gh. – AndSoYouCode Aug 18 '11 at 8:30 8 Another canonical example is string == null || string.isE...