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Real World Example of the Strategy Pattern
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100
What about this:
You have to encrypt a file.
For small files, you can use "in memory" strat...
Simple way to transpose columns and rows in SQL?
... CASE Version:
select name,
sum(case when color = 'Red' then value else 0 end) Red,
sum(case when color = 'Green' then value else 0 end) Green,
sum(case when color = 'Blue' then value else 0 end) Blue
from
(
select color, Paul value, 'Paul' name
from yourTable
union all
select color, ...
Convert an array of primitive longs into a List of Longs
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edited May 31 '18 at 21:50
answered Dec 29 '09 at 12:19
Er...
how to convert an RGB image to numpy array?
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answered Oct 15 '11 at 8:02
Andrey KamaevAndrey Kamaev
27.2k66 gold badges8282 silver badges8484 bronze badges
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How do you convert a DataTable into a generic list?
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answered Oct 16 '08 at 13:59
Jon SkeetJon Skeet
1211k772772 gold badges85588558 silver badges88218821 bronze badges
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How to set margin of ImageView using code, not xml
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answered Aug 5 '10 at 15:19
KeyKey
6,36811 gold badge2020 silver badges1515 bronze badges
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Difference between web server, web container and application server
...ns EARs.
– ziMtyth
Nov 27 '17 at 9:20
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Listview Scroll to the end of the list after updating the list
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420
Supposing you know when the list data has changed, you can manually tell the list to scroll to t...
Lightweight Java Object cache API [closed]
...CacheManager cacheManager = CacheManager.getInstance();
int oneDay = 24 * 60 * 60;
Cache memoryOnlyCache = new Cache("name", 200, false, false, oneDay, oneDay);
cacheManager.addCache(memoryOnlyCache);
Creates a cache that will hold 200 elements, and has a ttl of 24 hours.
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How to access the first property of a Javascript object?
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var obj = { first: 'someVal' };
obj[Object.keys(obj)[0]]; //returns 'someVal'
Using this you can access also other properties by indexes. Be aware tho! Object.keys return order is not guaranteed as per ECMAScript however unofficially it is by all major browsers implementation...