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How can I initialize an ArrayList with all zeroes in Java?
... the initial number of elements in the list).
To initialize an list with 60 zeros you do:
List<Integer> list = new ArrayList<Integer>(Collections.nCopies(60, 0));
If you want to create a list with 60 different objects, you could use the Stream API with a Supplier as follows:
List&...
How to see if an NSString starts with a certain other string?
...
answered Oct 28 '11 at 20:43
CyrilleCyrille
24.1k1212 gold badges6060 silver badges8787 bronze badges
...
How does grep run so fast?
...omparison
# (everything is in the buffer cache)
$ time grep -c 'tg=f_c' 20140910.log
28
0.168u 0.068s 0:00.26
$ time grep -c ' /cc/merchant.json tg=f_c' 20140910.log
28
0.100u 0.056s 0:00.17
The longer form is 35% faster!
How come? Boyer-Moore consructs a skip-forward table from the pattern-st...
Anonymous recursive PHP functions
...
answered Mar 19 '10 at 20:03
Derek HDerek H
10.2k66 gold badges3232 silver badges3838 bronze badges
...
The located assembly's manifest definition does not match the assembly reference
...g to run some unit tests in a C# Windows Forms application (Visual Studio 2005), and I get the following error:
53 Answers
...
Is there a link to GitHub for downloading a file in the latest release of a repository?
...set-name.zip
– Liam
Apr 9 '19 at 7:30
4
It would be helpful if this feature worked with versioned...
WAMP error: Forbidden You don't have permission to access /phpmyadmin/ on this server
...Override all
Order Deny,Allow
Deny from all
Allow from 127.0.0.1
</Directory>
Modern versions of Apache 2.2 and up will look for a IPv6 loopback instead of a IPv4 loopback (your localhost).
The real problem is that wamp is binding to an IPv6 address. The fix:
just add ...
What is a “callback” in C and how are they implemented?
...
207
There is no "callback" in C - not more than any other generic programming concept.
They're imp...
UILabel - Wordwrap text
...
302
If you set numberOfLines to 0 (and the label to word wrap), the label will automatically wrap a...
make arrayList.toArray() return more specific types
...ist = new ArrayList<String>();
String[] a = list.toArray(new String[0]);
Before Java6 it was recommended to write:
String[] a = list.toArray(new String[list.size()]);
because the internal implementation would realloc a properly sized array anyway so you were better doing it upfront. Sinc...