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How to add item to the beginning of List?
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answered Dec 24 '08 at 0:37
Matt HamiltonMatt Hamilton
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How does Haskell printf work?
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131
The trick is to use type classes. In the case of printf, the key is the PrintfType type class. ...
Java: Literal percent sign in printf statement
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3 Answers
3
Active
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SQLite - increase value by a certain number
...row):
UPDATE Products SET Price = Price + 50 WHERE ProductID = 1
Sample 3 (generic):
UPDATE {Table} SET {Column} = {Column} + {Value} WHERE {Condition}
Where:
{Table} - table name
{Column} - column name
{Value} - a number by which column's value should be increased or decreased
{Condition} -...
Get the first N elements of an array?
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370
Use array_slice()
This is an example from the PHP manual: array_slice
$input = array("a",...
How can I use Bash syntax in Makefile targets?
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391
+500
From t...
Rebuild IntelliJ project indexes
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263
File -> Invalidate caches...
(Force rebuild of all caches and indices on next startup)
Restar...
Rails: redirect_to with :error, but flash[:error] empty
I'm trying to do a redirect while setting the flash[:error] value. (Rails 3.0.10)
3 Answers
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How can I use if/else in a dictionary comprehension?
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31
Worth mentioning that you don't need to have an if-else condition for both the key and the value. For example, {(a if condition else b): v...