大约有 10,700 项符合查询结果（耗时：0.0285秒） [XML]
Daylight saving time and time zone best practices [closed]
...asses, and JSR 310 are led by the same man, Stephen Colebourne.
If using .NET, consider using Noda Time.
If using .NET without Noda Time, consider that DateTimeOffset is often a better choice than DateTime.
If using Perl, use DateTime.
If using Python, use pytz or dateutil.
If using JavaScript, use...
Storing money in a decimal column - what precision and scale?
... a decimal scale of 8 (or more) is required but this is where a 'normal' monetary amount (say four decimal places) has been pro rata'd, implying the decimal precision should be reduced accordingly (also consider a floating point type in such circumstances). And no one has that much money nowadays to...
How is mime type of an uploaded file determined by browser?
...ME type and does so in a certain order. The snippet below is from file src/net/base/mime_util.cc, method MimeUtil::GetMimeTypeFromExtensionHelper.
// We implement the same algorithm as Mozilla for mapping a file extension to
// a mime type. That is, we first check a hard-coded list (that cannot be
...
SortedList, SortedDictionary and Dictionary
... Types of the System.Collections.Generic namespace.
http://geekswithblogs.net/BlackRabbitCoder/archive/2011/06/16/c.net-fundamentals-choosing-the-right-collection-class.aspx
Extracts:
Dictionary<>
The Dictionary is probably the most used associative container class. The Dictionary is th...
Difference between Select and ConvertAll in C#
... is implemented only by List<T>. The ConvertAll method exists since .NET 2.0 whereas LINQ was introduced with 3.5.
You should favor Select over ConvertAll as it works for any kind of list, but they do the same basically.
...
Remove non-numeric characters (except periods and commas) from a string
...
see also php function money_function() ( php.net/manual/en/function.money-format.php )
– horatio
Feb 9 '11 at 19:28
5
...
Java packages com and org
...should be one of the top-level domain names, currently com, edu, gov, mil, net, org, or one of the English two-letter codes identifying countries as specified in ISO Standard 3166, 1981.
Subsequent components of the package name vary according to an organization's own internal naming conventions. Su...
How to identify platform/compiler from preprocessor macros?
...
See: http://predef.sourceforge.net/index.php
This project provides a reasonably comprehensive listing of pre-defined #defines for many operating systems, compilers, language and platform standards, and standard libraries.
...
Checking for empty arrays: count vs empty
... for arrays. empty is more general and can be applied to other types.
php.net gives the following warning for count though :
count() may return 0 for a variable that isn't set, but it may also return 0 for a variable that has been initialized with an empty array. Use isset() to test if a variab...
How to turn on WCF tracing?
...em, you can download it from the "Microsoft Windows SDK for Windows 7 and .NET Framework 4" package here:
Windows SDK Download
You don't have to install the entire thing, just the ".NET Development / Tools" part.
When/if it bombs out during installation with a non-sensical error, Petopas' answer...