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vagrant up failed, /dev/vboxnetctl: no such file or directory
Can be useful, I found this error. The common solution is reinstall virtualbox but there are a better way.
8 Answers
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How do I access call log for android?
I would like to receive the call log. For example the number of calls made by the user, number of minutes called, etc.
10 ...
How to get orientation-dependent height and width of the screen?
I'm trying to programmatically determine the current height and width of my application. I use this:
11 Answers
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PHP and Enumerations
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Depending upon use case, I would normally use something simple like the following:
abstract class DaysOfWeek
{
const Sunday = 0;
const Monday = 1;
// etc.
}
$today = DaysOfWeek::Sunday;
However, other use cases may require more validation of cons...
SVN needs-lock 设置强制只读属性（官方资料） - 环境配置 - 清泛IT论坛，...
...when the property is not available
sets the svn:needs-lock property on all already existing binary files in repositories
configures users to automatically set property svn:needs-lock on newly added binary files1) - create a pre-commit.cmd script in the repository\hooks directory. This script...
Does java.util.List.isEmpty() check if the list itself is null? [duplicate]
...ollections
http://commons.apache.org/proper/commons-collections/javadocs/api-release/org/apache/commons/collections4/CollectionUtils.html#isEmpty(java.util.Collection)
which implements it quite ok and well documented:
/**
* Null-safe check if the specified collection is empty.
* <p>
* ...
Naming convention for unique constraint
...primary key and foreign key have commonly used and obvious conventions ( PK_Table and FK_Table_ReferencedTable , respectively). The IX_Table_Column naming for indexes is also fairly standard.
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Remove local git tags that are no longer on the remote repository
...cript to compare the tags generated by this list with the tags you have locally. Take a look at git show-ref --tags, which generates the tag names in the same form as git ls-remote).
As an aside, git show-ref has an option that does the opposite of what you'd like. The following command would l...
Readonly Properties in Objective-C?
...ing"; // Notice the underscore prefix of var name.
That’s it, that’s all you need. No muss, no fuss.
Details
As of Xcode 4.4 and LLVM Compiler 4.0 (New Features in Xcode 4.4), you need not mess with the chores discussed in the other answers:
The synthesize keyword
Declaring a variable
Re-...
Android Fragment onClick button Method
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I do this all the time, but still think it's ugly
– Alexander Farber
Jun 30 '15 at 15:25
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