大约有 42,000 项符合查询结果（耗时：0.0388秒） [XML]
Which data type for latitude and longitude?
...ns. 6 digits is 10cm precision, should be plenty for most use cases.
Then cast your your imported data
SELECT
--ST_SetSRID(ST_Point(long, lat),4326) geom -- the wrong way because SRID not set in geometry_columns table
ST_Point(long, lat)::geometry(Geometry, 4326) geom
INTO target_table
FR...
Python: How would you save a simple settings/config file?
...n the file format required.
ConfigParser [.ini format]
I would use the standard configparser approach unless there were compelling reasons to use a different format.
Write a file like so:
# python 2.x
# from ConfigParser import SafeConfigParser
# config = SafeConfigParser()
# python 3.x
from co...
How does Windows 8 Runtime (WinRT / Windows Store apps / Windows 10 Universal App) compare to Silver
...at is used to create Metro style apps. I know you can use it with XAML and it is based on .NET so C# and VB.NET can be used to write the apps, but then it seems to have something to do with HTML, CSS, DOM, and JavaScript.
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returning a Void object
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If you want to return null as void you need to cast it in some cases: (Void) null
– Patrick Favre
Mar 29 '16 at 10:04
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Retain precision with double in Java
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Guess it's not really necessary but it avoids casting in the toDouble function so the code reads better.
– Viral Shah
Mar 18 '10 at 4:09
5
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Are Javascript arrays sparse?
...ot use, neither use thou non-integers, excepting that thou then proceed to cast to String. Arbitrary objects are right out.
– Crescent Fresh
Oct 2 '09 at 18:37
8
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Why does Math.Round(2.5) return 2 instead of 3?
...ng)
Java Math.Round rounds away from zero (it floors the result, adds 0.5, casts to an integer). There's an alternative in BigDecimal
Perl uses a similar way to C
Javascript is the same as Java's Math.Round.
share
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What's the best way to trim std::string?
...ctually a second definition which supports locales. This could have been a cast just the same, but I tend to like this better.
EDIT: To address some comments about accepting a parameter by reference, modifying and returning it. I Agree. An implementation that I would likely prefer would be two sets ...
JavaFX and OpenJDK
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JavaFX is part of OpenJDK
The JavaFX project itself is open source and is part of the OpenJDK project.
Update Dec 2019
For current information on how to use Open Source JavaFX, visit https://openjfx.io. This includes instructions on using JavaFX as a modular library accessed from an exist...
Generate class from database table
... Nice answer, but you need to change print @Result to print CAST(@Result AS TEXT) otherwise it gets truncated on large tables.
– Robert McKee
Sep 12 '16 at 18:35
2
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