大约有 15,000 项符合查询结果（耗时：0.0284秒） [XML]
Is there a method to generate a UUID with go language
...
u[8] = (u[8] | 0x80) & 0xBF // what's the purpose ?
u[6] = (u[6] | 0x40) & 0x4F // what's the purpose ?
These lines clamp the values of byte 6 and 8 to a specific range. rand.Read returns random bytes in the range 0-255, which are ...
Accept server's self-signed ssl certificate in Java client
...ertificate to your JVM truststore or configure your client to
Option 1
Export the certificate from your browser and import it in your JVM truststore (to establish a chain of trust):
<JAVA_HOME>\bin\keytool -import -v -trustcacerts
-alias server-alias -file server.cer
-keystore cacerts.jks ...
Python decorators in classes
...er than the accepted answer, because it allows the use of @ decorator syntax at the point of definition. If I have to put decorator calls at the end of the class, then it isn't clear that the functions are being decorated. It's a bit weird that you can't use @staticmethod on the decorator itself, bu...
Does Android keep the .apk files? if so where?
...n't have a rooted phone here but try this code out:
public class Testing extends Activity {
private static final String TAG = "TEST";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Fi...
Difference between toFixed() and toPrecision()?
I'm new to JavaScript and just discovered toFixed() and toPrecision() to round numbers. However, I can't figure out what the difference between the two is.
...
Label points in geom_point
...
Use geom_text , with aes label. You can play with hjust, vjust to adjust text position.
ggplot(nba, aes(x= MIN, y= PTS, colour="green", label=Name))+
geom_point() +geom_text(aes(label=Name),hjust=0, vjust=0)
EDIT: Label only valu...
Show AlertDialog in any position of the screen
...ndow().getAttributes();
wmlp.gravity = Gravity.TOP | Gravity.LEFT;
wmlp.x = 100; //x position
wmlp.y = 100; //y position
dialog.show();
Here x position's value is pixels from left to right. For y position value is from bottom to top.
...
How can I get zoom functionality for images?
...mageView.java in your project. It can then be used the same as
ImageView. Example:
TouchImageView img = (TouchImageView) findViewById(R.id.img);
If you are using TouchImageView in xml, then you must provide the full package
name, because it is a custom view. Example:
<com.example.touch.TouchI...
CSS display:table-row does not expand when width is set to 100%
I'm having a bit of a problem. I'm using FireFox 3.6 and have the following DOM structure:
5 Answers
...
Convert a RGB Color Value to a Hexadecimal String
...
You can use
String hex = String.format("#%02x%02x%02x", r, g, b);
Use capital X's if you want your resulting hex-digits to be capitalized (#FFFFFF vs. #ffffff).
share...