大约有 20,000 项符合查询结果(耗时:0.0317秒) [XML]

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What's the best way to learn LISP? [closed]

I have been programming in Python, PHP, Java and C for a couple or years now, and I just finished reading Hackers and Painters, so I would love to give LISP a try! ...
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Finding local maxima/minima with Numpy in a 1D numpy array

...max_peakind = signal.find_peaks_cwt(data, np.arange(1,10)) # inverse (in order to find minima) inv_data = 1/data # minima : use builtin function fo find (min) peaks (use inversed data) min_peakind = signal.find_peaks_cwt(inv_data, np.arange(1,10)) #show results print "maxima", data[max_peakind] ...
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Add line break to ::after or ::before pseudo-element content

I do not have access to the HTML or PHP for a page and can only edit via CSS. I've been doing modifications on a site and adding text via the ::after or ::before pseudo-elements and have found that escape Unicode should be used for things such as a space before or after the added content. ...
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Can I mask an input text in a bat file?

...un. Now, as mentioned, scriptpw.dll is available only up to XP/2003. In order to rectify this, you can simply copy the scriptpw.dll file from the Windows\System32 folder of an XP/2003 system to the Winnt\System32 or Windows\System32 folder on your own system. Once the DLL has been copied, you wil...
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How to concatenate multiple lines of output to one line?

... | tr '\n' ' ' was not working for me when called through php exec function. It was ignoring tr, and just giving last match from grep. | xargs worked. – Adarsha Mar 26 '15 at 17:07 ...
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Which is more efficient, a for-each loop, or an iterator?

.... the implementation of the iterator has to do at least 2 fields lookup in order to make hasNext() call figure the value: #1 get current count and #2 get total count inside the body loop, there is another invokeInterface virtual call iter.next(so: go through all the classes and do method table looku...
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ArithmeticException: “Non-terminating decimal expansion; no exact representable decimal result”

.... Check out this link : http://edelstein.pebbles.cs.cmu.edu/jadeite/main.php?api=java6&state=class&package=java.math&class=MathContext share | improve this answer | ...
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What are libtool's .la file for?

... Does it mean that in order to generate .la file, I need to use libtool (e.g. from automake)? One can rely on libtool to link the object files (gnu.org/software/libtool/manual/html_node/Using-Automake.html) but if I want to distribute a library wi...
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How to rename files and folder in Amazon S3?

... I've just got this working. You can use the AWS SDK for PHP like this: use Aws\S3\S3Client; $sourceBucket = '*** Your Source Bucket Name ***'; $sourceKeyname = '*** Your Source Object Key ***'; $targetBucket = '*** Your Target Bucket Name ***'; $targetKeyname = '*** Your Target ...
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Good Haskell source to read and learn from [closed]

... This is typical haskell damit. With php you read a hello world and go straight on writing poor web-sites. With haskell, there is no upper bound on what you can learn, there's always more interesting extensions and papers coming up. And just now I learned that u...