大约有 2,206 项符合查询结果(耗时:0.0188秒) [XML]

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Efficiency of premature return in a function

... situation I encounter frequently as an inexperienced programmer and am wondering about particularly for an ambitious, speed-intensive project of mine I'm trying to optimize. For the major C-like languages (C, objC, C++, Java, C#, etc) and their usual compilers, will these two functions run just as...
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The JPA hashCode() / equals() dilemma

...re have been some discussions here about JPA entities and which hashCode() / equals() implementation should be used for JPA entity classes. Most (if not all) of them depend on Hibernate, but I'd like to discuss them JPA-implementation-neutrally (I am using EclipseLink, by the way). ...
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Which commit has this blob?

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Python Logging (function name, file name, line number) using a single file

I am trying to learn how an application works. And for this I am inserting debug commands as the first line of each function's body with the goal of logging the function's name as well as the line number (within the code) where I send a message to the log output. Finally, since this application comp...
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PHP: Convert any string to UTF-8 without knowing the original character set, or at least try

I have an application that deals with clients from all over the world, and, naturally, I want everything going into my databases to be UTF-8 encoded. ...
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What is Full Text Search vs LIKE

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Performant Entity Serialization: BSON vs MessagePack (vs JSON)

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“Diff” an image using ImageMagick

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When to use MongoDB or other document oriented database systems? [closed]

We offer a platform for video- and audio-clips, photos and vector-grafics. We started with MySQL as the database backend and recently included MongoDB for storing all meta-information of the files, because MongoDB better fits the requirements. For example: photos may have Exif information, video...
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Python's many ways of string formatting — are the older ones (going to be) deprecated?

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