大约有 47,000 项符合查询结果（耗时：0.0582秒） [XML]
How to drop into REPL (Read, Eval, Print, Loop) from Python code
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answered Sep 8 '09 at 20:34
AlexAlex
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How to reuse an ostringstream?
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edited Mar 8 '09 at 21:41
answered Mar 8 '09 at 21:08
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What is the difference between UTF-8 and ISO-8859-1?
What is the difference between UTF-8 and ISO-8859-1 ?
8 Answers
8
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What is the best way to check for Internet connectivity using .NET?
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298
Something like this should work.
System.Net.WebClient
public static bool CheckForInternetConne...
Which regular expression operator means 'Don't' match this character?
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87
You can use negated character classes to exclude certain characters: for example [^abcde] will ...
What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL?
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581
They take up different amounts of space and they have different ranges of acceptable values.
H...
Ruby/Rails: converting a Date to a UNIX timestamp
...xample:
>> Date.new(2009,11,26).to_time
=> Thu Nov 26 00:00:00 -0800 2009
>> Date.new(2009,11,26).to_time.to_i
=> 1259222400
>> Time.at(1259222400)
=> Thu Nov 26 00:00:00 -0800 2009
Note that the intermediate DateTime object is in local time, so the timestamp might be a...
How do I comment on the Windows command line?
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edited Jun 22 at 12:28
answered Jun 8 '10 at 13:20
pax...
Visual Studio Immediate window: how to see more than the first 100 items
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Gene WhitakerGene Whitaker
38633 silver badges22 bronze badges
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Getting “unixtime” in Java
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483
Avoid the Date object creation w/ System.currentTimeMillis(). A divide by 1000 gets you to Uni...