大约有 16,000 项符合查询结果（耗时：0.0315秒） [XML]
Converting a generic list to a CSV string
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You can use String.Join.
String.Join(
",",
Array.ConvertAll(
list.ToArray(),
element => element.ToString()
)
);
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Convert a matrix to a 1 dimensional array
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It might be so late, anyway here is my way in converting Matrix to vector:
library(gdata)
vector_data<- unmatrix(yourdata,byrow=T))
hope that will help
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How to convert an NSString into an NSNumber
How can I convert a NSString containing a number of any primitive data type (e.g. int , float , char , unsigned int , etc.)? The problem is, I don't know which number type the string will contain at runtime.
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Import a file from a subdirectory?
...nion the language shouldn't impose its way of loading files across the filesystem. In PHP we solved the problem by letting the userland code register multiple autoloading functions that are called when a namespace/class is missing. Then the community has produced the PSR-4 standard and Composer impl...
How to convert ‘false’ to 0 and ‘true’ to 1 in Python
Is there a way to convert true of type unicode to 1 and false of type unicode to 0 (in Python)?
7 Answers
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Count occurrences of a char in plain text file
...000 occurences of the searched character:
real 0m0.089s
user 0m0.057s
sys 0m0.027s
Time for Vereb answer with echo, cat, tr and bc for the same file:
real 0m0.168s
user 0m0.059s
sys 0m0.115s
Time for Rob Hruska answer with tr, sed and wc for the same file:
real 0m0.465s
user ...
byte[] to hex string [duplicate]
How do I convert a byte[] to a string ? Every time I attempt it, I get
19 Answers
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How to convert DateTime to VarChar
I am working on a query in Sql Server 2005 where I need to convert a value in DateTime variable into a varchar variable in yyyy-mm-dd format (without time part). How do I do that?
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What is the best way to call a script from another script?
... to pass command-line arguments to the script, you could edit sys.argv list.
– jfs
Jan 13 '15 at 18:09
1
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How to convert JSON string to array
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Use json_decode($json_string, TRUE) function to convert the JSON object to an array.
Example:
$json_string = '{"a":1,"b":2,"c":3,"d":4,"e":5}';
$my_array_data = json_decode($json_string, TRUE);
NOTE: The second parameter will convert decoded JSON string into an as...