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微博为什么限制140字(附短信70字限制考) - 闲聊区 - 清泛IT社区，为创新赋能！
...更新状态的字数限制，本身是160字母的限制，再留20字给id长度，剩余140字母留给用户发挥。此外，YAHOO!的meme（2,000字）和Google的Buzz（没有限制）等对字数都没有短而精的要求，在这个层面上，算不上微博，只能算轻量级博客，...
How to force a SQL Server 2008 database to go Offline
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Didnt work for me: Msg 5061, Level 16, State 1, Line 1 ALTER DATABASE failed because a lock could not be placed on database 'MyDatabase'. Try again later. Msg 5069, Level 16, State 1, Line 1 ALTER DATABASE statement failed.
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How to see all TODO tasks in Android Studio?
How could I open a view in Android Studio where all tasks that I've created using // TODO comments would be displayed?
2 ...
Calling a function every 60 seconds
...ed to execute further
return true; // or false, change the IIFE inside condition accordingly.
}
}
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Creating and throwing new exception
...nd followed by a string.
throw "Error trying to do a task"
When used inside a catch, you can provide additional information about what triggered the error
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Transparent background with three.js
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@tfrascaroli Did you see one?
– WestLangley
Jan 12 '17 at 14:08
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using jquery $.ajax to call a PHP function
...o call a PHP script. What I want to do is basically put that PHP script inside a function and call the PHP function from javascript.
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How to check Google Play services version?
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If you look in the link provided by Stan0 you will see this:
public static final int GOOGLE_PLAY_SERVICES_VERSION_CODE
Minimum Google Play services package version
(declared in AndroidManifest.xml android:versionCode)
in order to b...
Prevent form submission on Enter key press
...e;
}
Ok, so imagine you have the following textbox in a form:
<input id="scriptBox" type="text" onkeypress="return runScript(event)" />
In order to run some "user defined" script from this text box when the enter key is pressed, and not have it submit the form, here is some sample code. P...
Entity Framework Refresh context?
...Code First approach with DbContext class, you can use
public static void ReloadEntity<TEntity>(
this DbContext context,
TEntity entity)
where TEntity : class
{
context.Entry(entity).Reload();
}
To reload collection navigation properties, you can ...