大约有 1,000 项符合查询结果(耗时:0.0110秒) [XML]

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Best TCP port number range for internal applications [closed]

...n order of most ports available, descending. This did not work, since the csv file has ranges marked as "Unassigned" that overlap other port number reservations. I manually expanded the ranges of assigned port numbers, leaving me with a list of all assigned port numbers. I then sorted that list a...
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What's the fastest way to do a bulk insert into Postgres?

... bad worked it's class :( I Try npgsql CopyIn class, because it's like as CSV formatted mapping in PG query statement's. You can try for Big Table? – Elyor Sep 9 '14 at 2:03 ...
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How to remove the first character of string in PHP?

How to use PHP , Remove the first character : 13 Answers 13 ...
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Download data url file

...link.download = thefilename; // Construct the uri var uri = 'data:text/csv;charset=utf-8;base64,' + someb64data link.href = uri; document.body.appendChild(link); link.click(); // Cleanup the DOM document.body.removeChild(link); ...
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How do I get a list of all the duplicate items using pandas in python?

...in duplicated: >>> import pandas as pd >>> df = pd.read_csv("dup.csv") >>> ids = df["ID"] >>> df[ids.isin(ids[ids.duplicated()])].sort("ID") ID ENROLLMENT_DATE TRAINER_MANAGING TRAINER_OPERATOR FIRST_VISIT_DATE 24 11795 27-Feb-12 ...
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How to get current working directory in Java?

... } Update as per the comment of the OP: I want to dump a bunch of CSV files in a folder, have the program recognize all the files, then load the data and manipulate them. I really just want to know how to navigate to that folder. That would require hardcoding/knowing their relative path i...
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How does the ARM architecture differ from x86? [closed]

...t there was no “as well”, you had to store everything in memory; about ½ of instructions in a program where just to move things about. Whereas in ARM very few instructions are needed to move data about. – ctrl-alt-delor Feb 17 '16 at 9:48 ...
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How do I replace NA values with zeros in an R dataframe?

...f we are trying to replace NAs when exporting, for example when writing to csv, then we can use: write.csv(data, "data.csv", na = "0") s
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How to enable C++11/C++0x support in Eclipse CDT?

...ke the accepted answer more complete. – Inusable Lumière Nov 27 '13 at 15:45 ...
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YYYY-MM-DD format date in shell script

... a more compact notation for the accepted answer. – Håvard Geithus Nov 16 '15 at 20:42 ...