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Android equivalent to NSNotificationCenter
In the process of porting an iPhone application over to android, I am looking for the best way to communicate within the app. Intents seem to be the way to go, is this the best (only) option? NSUserDefaults seems much lighter weight than Intents do in both performance and coding.
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LoaderManager with multiple loaders: how to get the right cursorloader
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The Loader class has a method called getId(). I would hope this returns the id you've associated with the loader.
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Which mime type should I use for mp3
I'm trying to decide which mime type to choose for returning mp3 data (served up by php)
5 Answers
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How to get a user's client IP address in ASP.NET?
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As others have said you can't do what you are asking. If you describe the problem you are trying to solve maybe someone can help?
E.g.
are you trying to uniquely identify your users?
Could you use a cookie, or the session ID perhaps ins...
how to hide a vertical scroll bar when not needed
...taller than 400px which is the height of the textbox.
Try this: http://jsfiddle.net/G9rfq/1/
I set overflow:auto on the text box, and made the textbox the same size as the div.
Also I don't believe it's valid to have a div inside a label, the browser will render it, but it might cause some funky ...
Update a column value, replacing part of a string
...iversity
SET course_name = REPLACE(course_name, '&amp', '&') WHERE id = 1
Results: Engineering &amp Technology => Engineering & Technology
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What are the Dangers of Method Swizzling in Objective-C?
...ckling the real question, most answers have skirted the issue and simply said not to use swizzling.
Using method sizzling is like using sharp knives in the kitchen. Some people are scared of sharp knives because they think they'll cut themselves badly, but the truth is that sharp knives are safer.
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psycopg2: insert multiple rows with one query
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Maybe I'm being paranoid, but concatenating the query with a + seems like it could open up to sql injection, I feel like @Clodoaldo Neto execute_values() solution is safer.
– Will Munn
Jan 17 '18 at 11:55
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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎 ...
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cn.fun123.SQLite.aix
SQLite
SQLite 是 Android 内置的小型、快速、独立的 SQL（结构化查询语言）数据库引擎。
SQL 语句用于创建、选择、更新和删除一个或多个表中的数据。SQL 允许表之间建立复杂的关系，并提供...
Recommended SQL database design for tags or tagging [closed]
...heard of a few ways to implement tagging; using a mapping table between TagID and ItemID (makes sense to me, but does it scale?), adding a fixed number of possible TagID columns to ItemID (seems like a bad idea), Keeping tags in a text column that's comma separated (sounds crazy but could work). I'v...