大约有 47,000 项符合查询结果(耗时:0.0633秒) [XML]

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MySQL - why not index every field?

... 123 Indexes take up space in memory (RAM); Too many or too large of indexes and the DB is going to...
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Passing by reference in C

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Entity Framework Code First - two Foreign Keys from same table

... answered Apr 5 '11 at 22:23 Ladislav MrnkaLadislav Mrnka 345k5656 gold badges638638 silver badges653653 bronze badges ...
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Returning a C string from a function

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HTML5 dragleave fired when hovering a child element

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How do you debug a regex? [closed]

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Crop MP3 to first 30 seconds

... 142 I also recommend ffmpeg, but the command line suggested by John Boker has an unintended side e...
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jQuery Validate - Enable validation for hidden fields

In the new version of jQuery validation plugin 1.9 by default validation of hidden fields ignored . I'm using CKEditor for textarea input field and it hides the field and replace it with iframe. The field is there, but validation disabled for hidden fields. With validation plugin version 1.8.1 ever...
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Arduino Sketch upload issue - avrdude: stk500_recv(): programmer is not responding

... have an Arduino Duemilanove with an ATmega328 . I am working on Ubuntu 12.04 (Precise Pangolin), and the Arduino IDE's version is 1.0. Recently, I tried to upload a few of the sample sketches onto it, such as the Blink one. However, none of my attempts are working and they result in the same er...