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How does one write code that best utilizes the CPU cache to improve performance?
...marks, we have seen that a surprising large fraction of those fail to use 100% of the fetched cache lines before the cache lines are evicted.
Improving cache line utilization helps in three respects:
It tends to fit more useful data in the cache, essentially increasing the effective cache size.
I...
How to add items to a spinner in Android?
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XML file:
<Spinner
android:id="@+id/Spinner01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
Java file:
public class SpinnerExample extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
...
NPM modules won't install globally without sudo
I have just reinstalled Ubuntu 12.04 LTS, and before anything else i did these steps :
14 Answers
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Disable same origin policy in Chrome
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1078
Close chrome (or chromium) and restart with the --disable-web-security argument. I just tested...
Remove redundant paths from $PATH variable
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edited Mar 21 '17 at 9:09
Stefan van den Akker
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Reading specific lines only
...to read a file, but I only want to read specific lines, say line #26 and #30. Is there any built-in feature to achieve this?
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How to keep environment variables when using sudo
... ZachB
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answered Dec 26 '11 at 6:47
Employed RussianEmployed Russian
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How to check if a string contains an element from a list in Python
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answered Jun 30 '11 at 8:00
Lauritz V. ThaulowLauritz V. Thaulow
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Extracting bits with a single multiplication
...igned 8 bit for simplicity. Imagine your number is xxaxxbxx and you want ab000000.
The solution consisted of two steps: a bit masking, followed by multiplication. The bit mask is a simple AND operation that turns uninteresting bits to zeros. In the above case, your mask would be 00100100 and the re...