大约有 20,000 项符合查询结果（耗时：0.0285秒） [XML]
nodejs vs node on ubuntu 12.04
...l nodejs-legacy. This just creates the missing softlink.
According to my tests, Ubuntu 17.10 and above already have the compatibility-softlink /usr/bin/node in place after nodejs is installed, so nodejs-legacy is missing from these releases as it is no more needed.
...
R cannot be resolved - Android error
... installed the new Android SDK. I wanted to create a simple application to test drive it.
108 Answers
...
Why is it not possible to extend annotations in Java?
...ce F {} class a{ @F public void S() {} } @Test public void blahTest() throws NoSuchMethodException { Method m = a.class.getMethod("S"); System.out.println(m.isAnnotationPresent(C.class)); }
– user1615664
...
How to install Google Play Services in a Genymotion VM (with no drag and drop support)?
...Apps. To install Google Apps:
Upgrade Genymotion and VirtualBox to the latest version.
Download two zip files:
- ARM Translation Installer v1.1
- Google Apps for your Android version: 2.3.7 - 4.4.4 or 4.4 - 6.0 (with platform and variant) You can also find the GApps list in the wbroek user GitHu...
Are static methods inherited in Java?
...m.out.println("Inside static method of this class");
}
}
public class Test {
public static void main(String[] args) {
B b = new B();
// prints: Inside static method of this class
b.display();
A a = new B();
// prints: Inside static method of supercla...
How to find the largest file in a directory and its subdirectories?
...
outputs
-rw-r--r-- 1 nneonneo staff 9274991 Apr 11 02:29 ./devel/misc/test.out
If you just want the filename:
find . -type f | xargs ls -1S | head -n 1
This avoids using awk and allows you to use whatever flags you want in ls.
Caveat. Because xargs tries to avoid building overlong command...
Is the C# static constructor thread safe?
...n is thread safe for the initial construction, that is, no locking or null testing is required for constructing the Singleton object. However, this does not mean that any use of the instance will be synchronised. There are a variety of ways that this can be done; I've shown one below.
public class ...
Python's json module, converts int dictionary keys to strings
... isinstance(v, unicode) else v) for k,v in x.items()}
return x
Which tests the instance of the values and casts them only if they are strings objects (unicode to be exact).
Both functions assumes keys (and values) to be integers.
Thanks to:
How to use if/else in a dictionary comprehension?...
Better techniques for trimming leading zeros in SQL Server?
...
From my testing (and experience) this is a relatively costly operation in comparison with the accepted answer. For performance reasons, it's best to avoid changing data types, or comparing data of different types, if it is within you...
How do you pass custom environment variable on Amazon Elastic Beanstalk (AWS EBS)?
...heck the documentation here:
http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/customize-containers-ec2.html#customize-containers-format-options
Update
To prevent committing to your repository values like API keys, secrets and so on, you can put a placeholder value.
option_settings:
- opti...