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When to use StringBuilder in Java [duplicate]
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500
If you use String concatenation in a loop, something like this,
String s = "";
for (int i = 0;...
Compile error: “g++: error trying to exec 'cc1plus': execvp: No such file or directory”
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answered Jan 16 '14 at 6:20
hahakubilehahakubile
4,73444 gold badges2222 silver badges1818 bronze badges
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MySQL get row position in ORDER BY
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120
Use this:
SELECT x.id,
x.position,
x.name
FROM (SELECT t.id,
t....
What does this Google Play APK publish error message mean?
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304
This happened to me when I published two APKs (versions 3 and then 4) in a short space of time....
Python: Making a beep noise
...o just make the computer make a beep sound:
import winsound
frequency = 2500 # Set Frequency To 2500 Hertz
duration = 1000 # Set Duration To 1000 ms == 1 second
winsound.Beep(frequency, duration)
The winsound.Beep() can be used wherever you want the beep to occur.
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How to set layout_weight attribute dynamically from code?
...arams(
LayoutParams.MATCH_PARENT,
LayoutParams.MATCH_PARENT,
1.0f
);
YOUR_VIEW.setLayoutParams(param);
The last parameter is the weight.
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Case insensitive XPath contains() possible?
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This is for XPath 1.0. If your environment supports XPath 2.0, see here.
Yes. Possible, but not beautiful.
/html/body//text()[
contains(
translate(., 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'),
'test'
)
]
This ...
Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
...to say that SQL_CALC_FOUND_ROWS is almost always slower - sometimes up to 10x slower - than running two queries.
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Queue.Queue vs. collections.deque
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edited Apr 5 '09 at 13:32
answered Apr 4 '09 at 15:26
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Calculating Distance between two Latitude and Longitude GeoCoordinates
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Nigel SampsonNigel Sampson
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