大约有 848 项符合查询结果（耗时：0.0226秒） [XML]
Using async-await on .net 4
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If you want to start distributing your software after MS releases C# 5.0, then you can start developing using AsycnCTP.
Otherwise I wouldn't recommend you to use it, as it is just CTP, not even a beta. It can be changed a lot close to the beta stage and to the release. It may be unstable, etc....
Change MySQL default character set to UTF-8 in my.cnf?
...TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
Edit:
On a MySQL 5.0 server: character_set_client, character_set_connection, character_set_results, collation_connection remain at latin1. Issuing SET NAMES utf8 (utf8mb4 not available in that version) sets those to utf8 as well.
Caveat:
I...
Entity Framework 4 vs NHibernate [closed]
...However, NHibernate has been doing the same thing for years. Come version 5.0 or 6.0 may catch up, or even surpass NHibernate.
Here is my advice -- if you have time to learn both, then do it. There are several reasons to choose one over the other. If you are writing code for a corporation, it is...
MySQL JOIN the most recent row only?
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For anyone who must work with an older version of MySQL (pre-5.0 ish) you are unable to do sub-queries for this type of query. Here is the solution I was able to do and it seemed to work great.
SELECT MAX(d.id), d2.*, CONCAT(title,' ',forename,' ',surname) AS name
FROM customer AS c
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Wrapping synchronous code into asynchronous call
...5C35.8209 11.5455 35.4954 10.8521 35.4954 9.60062V6.59049C35.4954 5.28821 35.0173 4.66232 34.0034 4.66232C32.9703 4.66232 32.492 5.28821 32.492 6.59049V10.1419Z\" /\u003e\u003cpath fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M25.6622 17.6335C27.8049 17.6335 29.3739 16.9402 30.2537 15.6379C30.846...
How do you use NSAttributedString?
...TICA @"Helvetica-Light"
#define BLACK_SHADOW [UIColor colorWithRed:40.0f/255.0f green:40.0f/255.0f blue:40.0f/255.0f alpha:0.4f]
NSString*myNSString = @"This is my string.\nIt goes to a second line.";
NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];...
Are (non-void) self-closing tags valid in HTML5?
...to represent an HTML5 document as XML, and this is sometimes dubbed "XHTML 5.0". In this case the rules of XML apply and self-closing tags will always be handled. It would always need to be served with an XML mime type.
sh...
How do MySQL indexes work?
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Take a look at this link: http://dev.mysql.com/doc/refman/5.0/en/mysql-indexes.html
How they work is too broad of a subject to cover in one SO post.
Here is one of the best explanations of indexes I have seen. Unfortunately it is for SQL Server and not MySQL. I'm not sure how si...
Android: How can I get the current foreground activity (from a service)?
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Update: this no longer works with other apps' activities as of Android 5.0
Here's a good way to do it using the activity manager.
You basically get the runningTasks from the activity manager. It will always return the currently active task first. From there you can get the topActivity.
Examp...
Why are arrays covariant but generics are invariant?
... Object[] num = new Number[4]; num[1]= 5; num[2] = 5.0f; num[3]=43.4; System.out.println(Arrays.toString(num)); num[0]="hello";
– eagertoLearn
Sep 6 '13 at 22:07
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