大约有 3,285 项符合查询结果(耗时:0.0203秒) [XML]

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Python - Check If Word Is In A String

... Is there a really fast method of searching for multiple words, say a set of several thousand words, without having to construct a for loop going through each word? I have a million sentences, and a million terms to search through to see which ...
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Get the latest record from mongodb collection

...not sure, why all the downvotes - this code works perfectly for me, and is fast – dark_ruby Jun 11 '14 at 8:38 2 ...
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Compiled vs. Interpreted Languages

...orgive me!) but, roughly, here are the advantages of compiled languages: Faster performance by directly using the native code of the target machine Opportunity to apply quite powerful optimisations during the compile stage And here are the advantages of interpreted languages: Easier to impleme...
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Fastest method to replace all instances of a character in a string [duplicate]

What is the fastest way to replace all instances of a string/character in a string in JavaScript? A while , a for -loop, a regular expression? ...
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How do I “decompile” Java class files? [closed]

...r Java decompiler, but primarily of this age only. Written in C++, so very fast. Outdated, unsupported and does not decompile correctly Java 5 and later So your mileage may vary with recent jdk (7, 8). The same site list other tools. And javadecompiler, as noted by Salvador Valencia in the com...
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Why should C++ programmers minimize use of 'new'?

...nique for local variables in many programming languages. It is very, very fast because it requires minimal bookkeeping and the next address to allocate is implicit. In C++, this is called automatic storage because the storage is claimed automatically at the end of scope. As soon as execution of cu...
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Calculating moving average

... In data.table 1.12.0 new frollmean function has been added to compute fast and exact rolling mean carefully handling NA, NaN and +Inf, -Inf values. As there is no reproducible example in the question there is not much more to address here. You can find more info about ?frollmean in manual, ...
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What specific productivity gains do Vim/Emacs provide over GUI text editors?

...rcumstance. Moving around, copying, pasting, and deleting text is insanely fast in Vim. The commands are simple, single keypresses, and composable. Add up all the times you do a careful, laborious mouse highlight and Ctrl-X, then replace them all with a da( (delete a set of matching parens and eve...
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What are all the common ways to read a file in Ruby?

...ing up as it tries to read and allocate memory. Line-by-line I/O is very fast, and almost always as effective as slurping. It's surprisingly fast actually. I like to use: IO.foreach("testfile") {|x| print "GOT ", x } or File.foreach('testfile') {|x| print "GOT", x } File inherits from IO, a...
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initialize a numpy array

...f the way that the data structures are set-up. Numpy arrays are made to be fast by virtue of being able to more compactly store values, but they need to be have fixed size to obtain this speed. Python lists are designed to be more flexible at the cost of speed and size. – Justi...