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Is there an advantage to use a Synchronized Method instead of a Synchronized Block?
... that the method synchronizes on the object instance and is (presumably) thread-safe.
– Scrubbie
Mar 14 '12 at 18:08
...
Is there a performance difference between a for loop and a for-each loop?
...nt e : elements) {
doSomething(e);
}
When you see the colon (:), read it as
“in.” Thus, the loop above reads as
“for each element e in elements.” Note
that there is no performance penalty
for using the for-each loop, even for
arrays. In fact, it may offer a slight
perfo...
How do I serialize an object and save it to a file in Android?
...s = new ObjectInputStream(fis);
SimpleClass simpleClass = (SimpleClass) is.readObject();
is.close();
fis.close();
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How to see the values of a table variable at debug time in T-SQL?
...
But still don't stop reading! Another awesome option below! Great thread!!
– Mike M
May 25 '15 at 12:33
1
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How to choose between Hudson and Jenkins? [closed]
...f the core developers, the community, and (so far) much more actual work.
Read that post I linked up top, then read the rest of these in chronological order. For balance you can read the Hudson/Oracle take on it. It's pretty clear to me who is playing defensive and who has real intentions for the ...
SQL: IF clause within WHERE clause
...
@Kash the link you provided is a register-to-read, is there any publicly available documenation that describes what you are saying?
– Steve
Mar 14 '13 at 19:26
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PHP script to loop through all of the files in a directory?
.../to/files";
if ($handle = opendir($path)) {
while (false !== ($file = readdir($handle))) {
if ('.' === $file) continue;
if ('..' === $file) continue;
// do something with the file
}
closedir($handle);
}
?>
...
Changing user agent on urllib2.urlopen
...lib2.Request('www.example.com', None, headers)
html = urllib2.urlopen(req).read()
Or, a bit shorter:
req = urllib2.Request('www.example.com', headers={ 'User-Agent': 'Mozilla/5.0' })
html = urllib2.urlopen(req).read()
sh...
How can I add numbers in a Bash script?
...b directly, no need to ls
echo "$j"
# 'grep' can read files, no need to use 'cat'
metab=$(grep EndBuffer "$j" | awk '{sum+=$2} END { print sum/120}')
num=$(( $num + $metab ))
done
echo "$num"
done
As described in Bash FAQ 022, Bash does not...
How do emulators work and how are they written? [closed]
...art at the IP (instruction pointer -- also called PC, program counter) and read the instruction from memory. Your code parses this instruction and uses this information to alter processor state as specified by your processor. The core problem with interpretation is that it's very slow; each time y...