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T-SQL: Selecting rows to delete via joins
... ON b.Bid = a.Bid
AND [my filter condition]
should work
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What's the proper way to install pip, virtualenv, and distribute for Python?
...alenv:
http://pypi.python.org/pypi/virtualenv
https://pypi.python.org/packages/source/v/virtualenv/virtualenv-12.0.7.tar.gz
(or whatever is the latest version!)
Unpack the source tarball
Use the unpacked tarball to create a clean virtual environment. This virtual environment will be used to "boot...
How exactly to use Notification.Builder
...ate: the NotificationCompat.Builder class has been added to the Support Package so we can use this to support API level v4 and up:
http://developer.android.com/reference/android/support/v4/app/NotificationCompat.Builder.html
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How to update a single library with Composer?
I need to install only 1 package for my SF2 distribution (DoctrineFixtures).
8 Answers
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MySQL DISTINCT on a GROUP_CONCAT()
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Daniel Vassallo
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answered Jun 21 '10 at 9:41
NaktibaldaNakti...
How to calculate number of days between two given dates?
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DanaDana
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What's the difference between array_merge and array + array?
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The difference is:
The + operator takes the union of the two arrays, whereas the array_merge function takes the union BUT the duplicate keys are overwritten.
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What is the difference between `throw new Error` and `throw someObject`?
...rors to occur before control is automatically transferred from the try block to the catch block, you can also explicitly throw your own exceptions to force that to happen on demand. This is great for creating your own definitions of what an error is and when control should be transferred to catch.
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“unpacking” a tuple to call a matching function pointer
... "<<b<<" "<<c<< std::endl; };
auto params = std::make_tuple(1,2.0,"Hello");
std::apply(f, params);
Just felt that should be stated once in an answer in this thread (after it already appeared in one of the comments).
The basic C++14 solution is still missing in this threa...
Adding a column to an existing table in a Rails migration
... (rails generate migration add_email_to_users email:string will do the trick).
It will create a migration file containing line:
add_column :users, email, string
Then do a rake db:migrate and it'll run the new migration, creating the new column.
If you have not yet run the original migration you can...