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What's the difference between “Normal Reload”, “Hard Reload”, and ...
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Normal reload
The same thing as pressing F5. This will use the cache but revalidate everything...
VIM ctrlp.vim plugin: how to rescan files?
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answered Dec 29 '11 at 4:05
JeetJeet
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How to perform OR condition in django queryset?
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4 Answers
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How do I get the resource id of an image if I know its name?
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answered Jun 15 '10 at 9:46
Francesco LauritaFrancesco Laurita
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Get the value of an instance variable given its name
... is:
class Computer
attr_reader :cpus
end
Now you can do Computer.new(4).cpus.
Note that you can reopen any existing class and make a private ivar into a reader. Since an accessor is just a method, you can do Computer.new(4).send(var_that_evaluates_to_cpus)
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include external .js file in node.js app
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edited Oct 1 '14 at 15:20
Flimzy
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how does array[100] = {0} set the entire array to 0?
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In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?
.... As TIMESTAMP only stores the number of seconds since 1970-01-01, it uses 4 bytes.
You can read more about the differences between time formats in MySQL here.
In the end, it comes down to what you need your date/time column to do. Do you need to store dates and times before 1970 or after 2038? Us...
Return number of rows affected by UPDATE statements
...ARE @RowCount2 INTEGER
DECLARE @RowCount3 INTEGER
DECLARE @RowCount4 INTEGER
UPDATE Table1 Set Column = 0 WHERE Column IS NULL
SELECT @RowCount1 = @@ROWCOUNT
UPDATE Table2 Set Column = 0 WHERE Column IS NULL
SELECT @RowCount2 = @@ROWCOUNT
UPDATE Table3 Set Column = 0 WHE...