大约有 15,208 项符合查询结果(耗时:0.0260秒) [XML]

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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?

...stribution across the sets, because each memory address is as likely to be read (I said ideally). It's clear that overlaps can occur. In case of a cache miss, the memory is read in the cache and the old value is replaced. Remember each set has a number of lines, out of which the least recently used...
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Accessing inactive union member and undefined behavior?

...11 6.5.2.3 Structure and union members 95) If the member used to read the contents of a union object is not the same as the member last used to store a value in the object, the appropriate part of the object representation of the value is reinterpreted as an object representation in th...
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How get integer value from a enum in Rails?

... Rails < 5 Another way would be to use read_attribute(): model = Model.find(123) model.read_attribute('sale_info') Rails >= 5 You can use read_attribute_before_type_cast model.read_attribute_before_type_cast(:sale_info) => 1 ...
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How to configure Git post commit hook

... as you said on first call i have to put a build notes.my first call is to read .java file whenever the developer push the changes in to git repo. i am new to all these things thats why i am asking each and every step. please don't mind and i have to complete this task. – phani...
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What is the best comment in source code you have ever encountered? [closed]

... I read all comments from top to bottom, wondering what people meant, when they say the "cracked up, reading this one" or "cracked up, reading that one". Well. I just cracked up reading this one... – Daren ...
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Is there any async equivalent of Process.Start?

...s Exited, OutputDataReceived, ErrorDataReceived) are called on separated thread. – KevinBui Jan 21 '18 at 5:03 4 ...
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Lost connection to MySQL server at 'reading initial communication packet', system error: 0

I am getting error: 31 Answers 31 ...
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What is a segmentation fault?

...ou are doing something wrong with memory – accessing variable that has already been freed, writing to a read-only portion of the memory, etc. Segmentation fault is essentially the same in most languages that let you mess with the memory management, there is no principial difference between segfaul...
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How do I get a plist as a Dictionary in Swift?

... In swift 3.0 Reading from Plist. func readPropertyList() { var propertyListFormat = PropertyListSerialization.PropertyListFormat.xml //Format of the Property List. var plistData: [String: AnyObject] = [:] //Our data ...
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Using boolean values in C

...d, use them only for initialization. Never ever write something like if (ready == TRUE) ... while (empty == FALSE) ... These can always be replaced by the clearer if (ready) ... while (!empty) ... Note that these can actually reasonably and understandably be read out loud. Give your boolean...