大约有 37,000 项符合查询结果（耗时：0.0269秒） [XML]
How to get JS variable to retain value after page refresh? [duplicate]
Is it possible to permanently change a javascript variable? As in, if I set the variable X and make that equal to 1. Then onClick of a button change that variable to 2. How can I get that variable to stay at 2 on refresh of the page?
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Most underused data visualization [closed]
Histograms and scatterplots are great methods of visualizing data and the relationship between variables, but recently I have been wondering about what visualization techniques I am missing. What do you think is the most underused type of plot?
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How to merge every two lines into one from the command line?
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awk:
awk 'NR%2{printf "%s ",$0;next;}1' yourFile
note, there is an empty line at the end of output.
sed:
sed 'N;s/\n/ /' yourFile
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How can I get the intersection, union, and subset of arrays in Ruby?
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Utilizing the fact that you can do set operations on arrays by doing &(intersection), -(difference), and |(union).
Obviously I didn't implement the MultiSet to spec, but this should get you started:
class MultiSet
attr_accessor :set
def initialize(set)
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How to convert QString to std::string?
...g current_locale_text = qs.toLocal8Bit().constData();
The suggested (accepted) method may work if you specify codec.
See: http://doc.qt.io/qt-5/qstring.html#toLatin1
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Java: Static Class?
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Private constructor and static methods on a class marked as final.
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jquery if div id has children
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edited Nov 29 '11 at 18:37
Joseph Silber
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How to exit a 'git status' list in a terminal?
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I have to guess here, but git is probably running its output into your $PAGER program, likely less or more. In either case, typing q should get you out.
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Kill some processes by .exe file name
How can I kill some active processes by searching for their .exe filenames in C# .NET or C++?
6 Answers
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In Android, how do I set margins in dp programmatically?
...single view. However, I was wondering if there isn't an easier way. I'll explain why I rather wouldn't want to use this approach:
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