大约有 30,000 项符合查询结果(耗时:0.0343秒) [XML]

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List co<em>mem>prehension on a nested list?

... Here is how you would do this with a nested list co<em>mem>prehension: [[float(y) for y in x] for x in l] This would give you a list of lists, si<em>mem>ilar to what you started with except with floats instead of strings. If you want one flat list then you would use [float(y) for x in ...
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How do I provide custo<em>mem> cast support for <em>mem>y class?

How do I provide support for casting <em>mem>y class to other types? For exa<em>mem>ple, if I have <em>mem>y own i<em>mem>ple<em>mem>entation of <em>mem>anaging a byte[] , and I want to let people cast <em>mem>y class to a byte[] , which will just return the private <em>mem>e<em>mem>ber, how would I do this? ...
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PatternSyntaxException: Illegal Repetition when using regex in Java

I don't know <em>mem>uch regex, but I need to <em>mem>atch a si<em>mem>ple pattern. The following should return true, 2 Answers ...
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How can I create a correlation <em>mem>atrix in R?

I have 92 set of data of sa<em>mem>e type. 5 Answers 5 ...
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Check if string <em>mem>atches pattern

How do I check if a string <em>mem>atches this pattern? 6 Answers 6 ...
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Echo tab characters in bash script

How do I echo one or <em>mem>ore tab characters using a bash script? When I run this code 10 Answers ...
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What happens if you call erase() on a <em>mem>ap ele<em>mem>ent while iterating fro<em>mem> begin to end?

In the following code I loop through a <em>mem>ap and test if an ele<em>mem>ent needs to be erased. Is it safe to erase the ele<em>mem>ent and keep iterating or do I need to collect the keys in another container and do a second loop to call the erase()? ...
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Different bash pro<em>mem>pt for different vi editing <em>mem>ode?

When using vi <em>mem>ode (set -o vi) with Bash, it would be nice to have a pro<em>mem>pt that depends on the <em>mem>ode you are currently in (insert or co<em>mem><em>mem>and). How does one find out this editing <em>mem>ode? ...
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How to negate the whole regex?

I have a regex, for exa<em>mem>ple (<em>mem>a|(t){1}) . It <em>mem>atches <em>mem>a and t and doesn't <em>mem>atch bla . 4 Answers ...
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Stash changes while keeping the changes in the working directory in Git

Is there a git stash co<em>mem><em>mem>and that stashes your changes, but keeps the<em>mem> in the working directory too? So basically a git stash; git stash apply in one step? ...