大约有 43,000 项符合查询结果(耗时:0.0356秒) [XML]

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Python argparse ignore unrecognised arguments

...r "recognized" arguments instead. parser = argparse.ArgumentParser(prefix_chars='+') parser.add_argument('+cd') The same command will produce Namespace(_unrecognized_args=['--foo', 'BAR', 'a', 'b'], cd='e') Put that in your pipe and smoke it =) nJoy! ...
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Data binding to SelectedItem in a WPF Treeview

How can I retrieve the item that is selected in a WPF-treeview? I want to do this in XAML, because I want to bind it. 20 An...
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Pandas selecting by label sometimes return Series, sometimes returns DataFrame

In Pandas, when I select a label that only has one entry in the index I get back a Series, but when I select an entry that has more then one entry I get back a data frame. ...
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Freezing Row 1 and Column A at the same time

... Select cell B2 and click "Freeze Panes" this will freeze Row 1 and Column A. For future reference, selecting Freeze Panes in Excel will freeze the rows above your selected cell and the columns to the left of your selected ce...
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Codesign error: Provisioning profile cannot be found after deleting expired profile

...ing profiles. Then reopen the project in xcode, go to the settings and reselect your new profile. This clears up issues like that most of the time. The lines that point to the provisioning profiles will look like this: PROVISIONING_PROFILE = "487F3EAC-05FB-4A2A-9EA0-31F1F35760EB"; "PROVISIONING_...
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Split column at delimiter in data frame [duplicate]

...OO=c('a|b','b|c','x|y')) foo <- data.frame(do.call('rbind', strsplit(as.character(df$FOO),'|',fixed=TRUE))) Or, if you want to replace the columns in the existing data.frame: within(df, FOO<-data.frame(do.call('rbind', strsplit(as.character(FOO), '|', fixed=TRUE)))) Which produces: ID ...
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Unable to export Apple production push SSL certificate in .p12 format

... Turns out all you have to do is select "My Certificates" on the left panel and it enables the .p12 option. share | improve this answer | ...
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Random record from MongoDB

...llection. db.mycoll.aggregate([{ $sample: { size: 1 } }]) If you want to select the random document(s) from a filtered subset of the collection, prepend a $match stage to the pipeline: // Get one random document matching {a: 10} from the mycoll collection. db.mycoll.aggregate([ { $match: { a:...
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How to execute a bash command stored as a string with quotes and asterisk [duplicate]

...quotes. MYSQL='mysql AMORE -u username -ppassword -h localhost -e' QUERY="SELECT "'*'" FROM amoreconfig" ;# <-- "double"'single'"double" eval $MYSQL "'$QUERY'" Bonus: It also reads nice: eval mysql query ;-) share ...
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Vim indent xml file

... that you don't have to alter your vimrc file. Plus it is easier to format select portions of the XML file (something I happen to do a lot). First, highlight the XML you want to format. Then, in normal mode, type ! xmllint --format - Your command-line at the bottom will look like this: :'<,'&...