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Volatile vs. Interlocked vs. lock
...re else that you access this.counter). It prevents any other threads from executing any other code which is guarded by locker.
Using locks also, prevents the multi-CPU reordering problems as above, which is great.
The problem is, locking is slow, and if you re-use the locker in some other place whic...
How do I space out the child elements of a StackPanel?
...kPanel>
<StackPanel.Resources>
<Style TargetType="{x:Type TextBox}">
<Setter Property="Margin" Value="0,10,0,0"/>
</Style>
</StackPanel.Resources>
<TextBox Text="Apple"/>
<TextBox Text="Banana"/>
<TextBo...
How can I display just a portion of an image in HTML/CSS?
Let's say I want a way to display just the the center 50x50px of an image that's 250x250px in HTML. How can I do that. Also, is there a way to do this for css:url() references?
...
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al
...re was no one commonly understood way to evaluate
an array in boolean context: it could mean True if any element is
True, or it could mean True if all elements are True, or True if the array has non-zero length, just to name three possibilities.
Since different users might have different needs and ...
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...
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.
...
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...
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...