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startActivityForResult() from a Fragment and finishing child Activity, doesn't call onActivityResult
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277
You must write onActivityResult() in your FirstActivity.Java as follows
@Override
public void...
When and why are database joins expensive?
... scan only when one or more of the following holds.
There are fewer than 200 rows in the relation (in this case a scan will be cheaper)
There are no suitable indexes on the join columns (if it's meaningful to join on these columns then why aren't they indexed? fix it)
A type coercion is required b...
jquery $(window).width() and $(window).height() return different values when viewport has not been r
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answered Apr 7 '10 at 23:38
Nick Craver♦Nick Craver
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Java abstract interface
...ting numerous broken links, I managed to find a copy of the original Oak 0.2 Specification (or "manual"). Quite interesting read I must say, and only 38 pages in total! :-)
Under Section 5, Interfaces, it provides the following example:
public interface Storing {
void freezeDry(Stream s) = 0;
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PermGen elimination in JDK 8
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362
Reasons of ignoring these argument is permanent generation has been removed in HotSpot for JDK8 ...
Is there a CSS selector for the first direct child only?
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edited Jul 14 '15 at 21:11
answered Jan 19 '10 at 15:21
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What's HTML character code 8203?
What does the character code (HTML) ​ ? I found it in one of my jQuery scripts and wondered what it was..
8 Answ...
postgresql - sql - count of `true` values
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answered Mar 22 '11 at 19:29
DanielDaniel
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Python pip install fails: invalid command egg_info
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evandrix
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answered Jul 11 '12 at 5:01
Randall MaRandall Ma
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“Unicode Error ”unicodeescape" codec can't decode bytes… Cannot open text files in Python 3 [duplica
... in "C:\Users... starts an eight-character Unicode escape, such as \U00014321. In your code, the escape is followed by the character 's', which is invalid.
You either need to duplicate all backslashes:
"C:\\Users\\Eric\\Desktop\\beeline.txt"
Or prefix the string with r (to produce a raw string):...