大约有 44,000 项符合查询结果(耗时:0.0585秒) [XML]

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Asking the user for input until they give a valid response

.... Feel free to use them in any context, without my explicit permission or knowledge. Regarding the non-code-block segments, If you want to paste my entire answer into a "Learn Python" book you're writing, let's talk royalties ;-) – Kevin Jul 24 at 13:50 ...
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Twitter Bootstrap CSS affecting Google Maps

...e Maps integration and other projects, but we're taking a different stance now on these things and will require developers to make these tweaks on their end." – kevinwmerritt Apr 30 '12 at 16:58 ...
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IntelliJ shortcut to show a popup of methods in a class that can be searched

... On Mac OS X, IntelliJ v12 this is now Cmnd+F12 – greg7gkb Feb 5 '13 at 19:16 40 ...
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What online brokers offer APIs? [closed]

... Looks like E*Trade has an API now. For access to historical data, I've found EODData to have reasonable prices for their data dumps. For side projects, I can't afford (rather don't want to afford) a huge subscription fee just for some data to tinker wi...
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Trim string in JavaScript?

... I know this question has been asked three years back.Now,String.trim() was added natively in JavaScript.For an instance, you can trim directly as following, document.getElementById("id").value.trim(); ...
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Extracting numbers from vectors of strings

... gregexpr. I hadn't tried regexpr until just now. HUGE difference. Using regexpr puts it between Andrew's and Arun's solutions (second fastest) on a 1e6 set. Perhaps also interesting, using sub in Andrew's solution does not improve the speed. – ...
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What does “abstract over” mean?

... (implicit ff: Foldable[F], m: Monoid[B]) = ff.foldMap(as, f) Now we have something quite general. The method mapReduce will fold any F[A] given that we can prove that F is foldable and that A is a monoid or can be mapped into one. For example: case class Sum(value: Int) case class Pro...
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Sqlite or MySql? How to decide? [closed]

...r an Athlon 1600. 1GB RAM. 5400RPM IDE disk. Redhat 7.3. He concludes: «I now believe that SQLite is appropriate for use as the primary database on websites that get up to 1 million hits per day.» – Rutrus Dec 27 '16 at 0:45 ...
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jQuery 1.9 .live() is not a function

...: $('#parentElement').on('click', '.myButton', function) If you do not know what to put as the parent, body always works: $('body').on('click', '.myButton', function) See also: jQuery - how to use the “on()” method instead of “live()”? jQuery 1.9 Migration Guide ...
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Creating an empty list in Python

...wrong-headed. Readability is very subjective. I prefer [], but some very knowledgable people, like Alex Martelli, prefer list() because it is pronounceable. share | improve this answer | ...