大约有 13,071 项符合查询结果(耗时:0.0311秒) [XML]
How to delete a word and go into insert mode in Vim?
In normal mode I can hit Ctrl + E which deletes the rest of the current word and goes to insert mode.
5 Answers
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How to convert An NSInteger to an int?
For example when passing a value message to an NSInteger instance like so
4 Answers
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How to get all child inputs of a div element (jQuery)
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Use it without the greater than:
$("#panel :input");
The > means only direct children of the element, if you want all children no matter the depth just use a space.
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How to specify a multi-line shell variable?
I have written a query:
5 Answers
5
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Run a JAR file from the command line and specify classpath
I've compiled a JAR file and specified the Main-Class in the manifest (I used the Eclipse Export function). My dependencies are all in a directory labeled lib . I can't seem to get a straight answer on how to execute my JAR file while specifying it should use the lib/* as the classpath.
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Pandas dataframe get first row of each group
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>>> df.groupby('id').first()
value
id
1 first
2 first
3 first
4 second
5 first
6 first
7 fourth
If you need id as column:
>>> df.groupby('id').first().reset_index()
id value
0 1 firs...
How to prevent browser page caching in Rails
Ubuntu -> Apache -> Phusion Passenger -> Rails 2.3
6 Answers
6
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Code for decoding/encoding a modified base64 URL
I want to base64 encode data to put it in a URL and then decode it within my HttpHandler.
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Good ways to sort a queryset? - Django
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What about
import operator
auths = Author.objects.order_by('-score')[:30]
ordered = sorted(auths, key=operator.attrgetter('last_name'))
In Django 1.4 and newer you can order by providing multiple fields.
Reference: https://docs.d...
Cast a Double Variable to Decimal
How does one cast a double to decimal which is used when doing currency development. Where does the M go?
5 Answers
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