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Remove duplicate rows in MySQL
...de the IGNORE keyword. Like so:
ALTER IGNORE TABLE jobs
ADD UNIQUE INDEX idx_name (site_id, title, company);
This will drop all the duplicate rows. As an added benefit, future INSERTs that are duplicates will error out. As always, you may want to take a backup before running something like thi...
How can I read inputs as numbers?
Why are x and y strings instead of ints in the below code?
10 Answers
10
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How to select where ID in Array Rails ActiveRecord without exception
When I have array of ids, like
6 Answers
6
...
How do I use CSS in Django?
...DIRS tuple in settings.py to give me this:
STATICFILES_DIRS = (
# Put strings here, like "/home/html/static" or "C:/www/django/static".
# Always use forward slashes, even on Windows.
# Don't forget to use absolute paths, not relative paths.
os.path.join(os.path.dirname(__file__),'me...
What does flushing the buffer mean?
...ing cin flushes cout so you don't need an explicit flush to do this:
std::string colour;
std::cout << "Enter your favourite colour: ";
std::cin >> colour;
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How to do this in Laravel, subquery where in
...
Consider this code:
Products::whereIn('id', function($query){
$query->select('paper_type_id')
->from(with(new ProductCategory)->getTable())
->whereIn('category_id', ['223', '15'])
->where('active',...
How to drop column with constraint?
....default_constraints dc
JOIN sys.columns c
ON c.default_object_id = dc.object_id
WHERE
dc.parent_object_id = OBJECT_ID('tbloffers')
AND c.name = N'checkin'
IF @@ROWCOUNT = 0 BREAK
EXEC (@sql)
END
...
Update git commit author date when amending
...erything is much easier than original answer made us think, just use empty string!
git commit --date= --amend
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Can a C# lambda expression have more than one statement?
...
Sure:
List<String> items = new List<string>();
var results = items.Where(i =>
{
bool result;
if (i == "THIS")
result = true;
else if (i == "T...
What is object serialization?
...e "value" of the object.
// These two will be serialized;
private String aString = "The value of that string";
private int someInteger = 0;
// But this won't since it is marked as transient.
private transient List<File> unInterestingLongLongList;
// Main method to...