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What does the restrict keyword mean in C++?
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143
In his paper, Memory Optimization, Christer Ericson says that while restrict is not part of the ...
How can I remove an element from a list?
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38
This did not work for me. I get: Error in list[length(list)] <- NULL : replacement has length zero
– wfbarksdale
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apache redirect from non www to www
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Greg HewgillGreg Hewgill
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Dynamically generating a QR code with PHP [closed]
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183
It's worth adding that, in addition to the QR codes library posted by @abaumg, Google provides a...
Adding a new value to an existing ENUM Type
...te type some_enum_type as enum ('old', 'values', 'and', 'new', 'ones');
-- 3. rename column(s) which uses our enum type
alter table some_table rename column some_column to _some_column;
-- 4. add new column of new type
alter table some_table add some_column some_enum_type not null default 'new';
-- ...
How to split the name string in mysql?
... as middle_name,
SUBSTRING_INDEX(SUBSTRING_INDEX(fullname, ' ', 3), ' ', -1) AS last_name
FROM registeredusers
This second method considers the middle name as part of the lastname. We will only select a firstname and lastname column from your fullname field.
SELECT
SUBSTRING_INDEX(...
How do I update the GUI from another thread?
...ControlPropertyThreadSafe(myLabel, "Text", status);
If you're using .NET 3.0 or above, you could rewrite the above method as an extension method of the Control class, which would then simplify the call to:
myLabel.SetPropertyThreadSafe("Text", status);
UPDATE 05/10/2010:
For .NET 3.0 you shoul...
Passing a std::array of unknown size to a function
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edited Jun 17 '13 at 20:36
answered Jun 17 '13 at 20:30
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Why check both isset() and !empty()
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answered Dec 30 '10 at 4:21
deceze♦deceze
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In a django model custom save() method, how should you identify a new object?
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