大约有 13,071 项符合查询结果(耗时:0.0426秒) [XML]

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Pointers vs. values in parameters and return values

In Go there are various ways to return a struct value or slice thereof. For individual ones I've seen: 4 Answers ...
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Clang optimization levels

On gcc, the manual explains what -O3 , -Os , etc. translate to in terms of specific optimisation arguments ( -funswitch-loops , -fcompare-elim , etc.) ...
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Canvas width and height in HTML5

...width properties that correspond to the height="…" and width="…" attributes. Set them to numeric values in JavaScript code to resize your canvas. For example: var canvas = document.getElementsByTagName('canvas')[0]; canvas.width = 800; canvas.height = 600; Note that this clears the canvas, t...
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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala

Why do Scala and frameworks like Spark and Scalding have both reduce and foldLeft ? So then what's the difference between reduce and fold ? ...
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple

...ary iostreams, I get met with a wave of disbelief. Yet I have profiler results showing large amounts of time spent in iostream library code (full compiler optimizations), and switching from iostreams to OS-specific I/O APIs and custom buffer management does give an order of magnitude improvement. ...
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Differences between Java 8 Date Time API (java.time) and Joda-Time

I know there are questions relating to java.util.Date and Joda-Time. But after some digging, I couldn't find a thread about the differences between the java.time API (new in Java 8 , defined by JSR 310 ) and Joda-Time . ...
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What's the best way to communicate between view controllers?

... cocoa, and iPhone dev in general, I have a strong desire to get the most out of the language and the frameworks. 4 Answers...
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Git pull results in extraneous “Merge branch” messages in commit log

I'm working with another developer on a project, and we're using Github as our remote repo. I'm on a Mac using git 1.7.7.3, he's on Windows using git 1.7.6. ...
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AJAX POST and Plus Sign ( + ) — How to Encode?

I'm POSTing the contents of a form field via AJAX to a PHP script and using JavaScript to escape(field_contents) . The problem is that any plus signs are being stripped out and replaced by spaces. How can I safely 'encode' the plus sign and then appropriately 'decode' it on the PHP side? ...
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What is the use for Task.FromResult in C#

...k Parallel Library ), the Task class represents an ongoing work that produces a value of type T. 6 Answers ...