大约有 43,000 项符合查询结果（耗时：0.0620秒） [XML]
What is a database transaction?
Can someone provide a straightforward (but not simpler than possible) explanation of a transaction as applied to computing (even if copied from Wikipedia)?
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Why does flowing off the end of a non-void function without returning a value not produce a compiler
Ever since I realized many years ago, that this doesn't produce an error by default (in GCC at least), I've always wondered why?
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In Python, when should I use a function instead of a method?
The Zen of Python states that there should only be one way to do things- yet frequently I run into the problem of deciding when to use a function versus when to use a method.
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What is the difference between JSON and Object Literal Notation?
Can someone tell me what is the main difference between a JavaScript object defined by using Object Literal Notation and JSON object ?
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Why does 2 == [2] in JavaScript?
I recently discovered that 2 == [2] in JavaScript. As it turns out, this quirk has a couple of interesting consequences:
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How to make a whole 'div' clickable in html and css without JavaScript? [duplicate]
I want to make it so that a whole div is clickable and links to another page when clicked without JavaScript and with valid code/markup.
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What is a domain specific language? Anybody using it? And in what way?
I guess I am looking for some kind of intro and see if anybody have used it. Are there any particular advantages of using it?
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How efficient is locking an unlocked mutex? What is the cost of a mutex?
In a low level language (C, C++ or whatever): I have the choice in between either having a bunch of mutexes (like what pthread gives me or whatever the native system library provides) or a single one for an object.
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Git-Based Source Control in the Enterprise: Suggested Tools and Practices?
I use git for personal projects and think it's great. It's fast, flexible, powerful, and works great for remote development.
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Convert a 1D array to a 2D array in numpy
I want to convert a 1-dimensional array into a 2-dimensional array by specifying the number of columns in the 2D array. Something that would work like this:
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