大约有 47,000 项符合查询结果(耗时:0.0882秒) [XML]

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How does one capture a Mac's command key via JavaScript?

...is not going to be captured by browsers as such. This is only for the command key on MacOS/keyboards. Unlike Shift/Alt/Ctrl, the Cmd (“Apple”) key is not considered a modifier key—instead, you should listen on keydown/keyup and record when a key is pressed and then depressed based on event...
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Is there a way to include commas in CSV columns without breaking the formatting?

I've got a two column CSV with a name and a number. Some people's name use commas, for example Joe Blow, CFA. This comma breaks the CSV format, since it's interpreted as a new column. ...
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How can I easily convert DataReader to List? [duplicate]

... I have seen systems that use Reflection and attributes on Properties or fields to maps DataReaders to objects. (A bit like what LinqToSql does.) They save a bit of typing and may reduce the number of errors when coding for DBNull etc. Once you cache the generate...
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Why does integer overflow on x86 with GCC cause an infinite loop?

... When the standard says it's undefined behavior, it means it. Anything can happen. "Anything" includes "usually integers wrap around, but on occasion weird stuff happens". Yes, on x86 CPUs, integers usually wrap the way you expect. This...
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Strip Leading and Trailing Spaces From Java String

... what all does it replace? Spaces and newlines maybe ? – Someone Somewhere Sep 9 '14 at 22:19 ...
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Core pool size vs maximum pool size in ThreadPoolExecutor

What exactly is the difference between core pool size and maximum pool size when we talk in terms of ThreadPoolExecutor ? Can it be explained with the help of an example? ...
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Pip freeze vs. pip list

...ments.txt The packages need to be in a specific format for pip to understand, which is feedparser==5.1.3 wsgiref==0.1.2 django==1.4.2 ... That is the "requirements format". Here, django==1.4.2 implies install django version 1.4.2 (even though the latest is 1.6.x). If you do not specify ==1.4....
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How to debug a referenced dll (having pdb)

I have two solutions in my workspace, say A and B. 10 Answers 10 ...
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Get Substring between two characters using javascript

...string from within a larger string where it get everything inbetween a ':' and a ';'. 16 Answers ...
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Split delimited strings in a column and insert as new rows [duplicate]

...parate_rows function as described by @Tif below. It works so much better, and it allows to "unnest" multiple columns in a single statement: > head(mydf) geneid chrom start end strand length gene_count ENSG00000223972.5 chr1;chr1;chr1;chr1;chr1;chr1;chr1;chr1;chr1 11869;1...