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How to delete duplicates on a MySQL table?
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this removes duplicates in place, without making a new table
ALTER IGNORE TABLE `table_name` ADD UNIQUE (title, SID)
note: only works well if index fits in memory
share
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Xcode 5: Code signing entitlement errors
I've build a new application which is going to support IOS 7. I got the new XCode 5 GM and tried to sign my apps using my fresh provisioning profile and distribution certificate, but i'm having trouble with distribution. I constantly get the following error:
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PostgreSQL delete with inner join
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f11753904%2fpostgresql-delete-with-inner-join%23new-answer', 'question_page');
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Android: Go back to previous activity
... Going back to a previous activity could mean two things.
You opened the new activity from another activity with startActivityForResult. In that case you can just call the finishActivity() function from your code and it'll take you back to the previous activity.
Keep track of the activity stack. W...
How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
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9.5 and newer:
PostgreSQL 9.5 and newer support INSERT ... ON CONFLICT (key) DO UPDATE (and ON CONFLICT (key) DO NOTHING), i.e. upsert.
Comparison with ON DUPLICATE KEY UPDATE.
Quick explanation.
For usage see the manual - specifical...
moveCamera with CameraUpdateFactory.newLatLngBounds crashes
I'm making use of the new Android Google Maps API .
20 Answers
20
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How to decorate a class?
...specific scenario, YMMV :-)
What you're thinking of is a metaclass. The __new__ function in a metaclass is passed the full proposed definition of the class, which it can then rewrite before the class is created. You can, at that time, sub out the constructor for a new one.
Example:
def substitute...
Selenium c# Webdriver: Wait Until Element is Present
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thanks, the new syntax is : driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
– Reda
Jun 7 '13 at 15:16
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Using Ajax.BeginForm with ASP.NET MVC 3 Razor
...r : Controller
{
public ActionResult Index()
{
return View(new MyViewModel());
}
[HttpPost]
public ActionResult Index(MyViewModel model)
{
return Content("Thanks", "text/html");
}
}
View:
@model AppName.Models.MyViewModel
<script src="@Url.Content(...
How to terminate a python subprocess launched with shell=True
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How does subprocess.CREATE_NEW_PROCESS_GROUP relate to this?
– Piotr Dobrogost
Oct 19 '12 at 10:53
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