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How to find foreign key dependencies in SQL Server?
... Thanks! I just needed to add << WHERE FK.TABLE_NAME = 'MyTable' AND CU.COLUMN_NAME = 'MyColumn' >> to get the specific column.
– Even Mien
Jun 10 '09 at 18:16
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How to make a transparent HTML button?
I am using dreamweaver to create a website and I thought of just using Photoshop to create backgrounds. I decided to do so only because in case I'd choose to change the button name easily by just editing the codes, I could just refer to the code. If I would construct buttons using Photoshop, I would...
Are unused CSS images downloaded?
...t
Safari: Doesn't
IE8: Doesn't
IE7: Doesn't
IE6: Unknown (Can someone test and comment?)
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html onchange event not working
...I still need to press the submit button to make it work. I read about AJAX and I am thinking to learn about this. Do I still need AJAX to make it work or is simple JavaScript enough? Please help.
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git - Find commit where file was added
...it-log#Documentation/git-log.txt---diff-filterACDMRTUXB82308203
I have a handy alias for this, because I always forget it:
git config --global alias.whatadded 'log --diff-filter=A'
This makes it as simple as:
git whatadded -- foo.js
The below one liner will recursively search through sub di...
405 method not allowed Web API
This error is very common, and I tried all of the solutions and non of them worked. I have disabled WebDAV publishing in control panel and added this to my web config file:
...
Mongoose's find method with $or condition does not work properly
...ibe why this solution works with words? thanks
– Alexander Mills
Nov 22 '15 at 23:21
This looks like a solution to a r...
JPA EntityManager: Why use persist() over merge()?
EntityManager.merge() can insert new objects and update existing ones.
15 Answers
15
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Rails :dependent => :destroy VS :dependent => :delete_all
...s with the callback.
The :delete_all is made directly in your application and deletes by SQL :
DELETE * FROM users where compagny_id = XXXX
With the :destroy, there is an instantiation of all of your children. So, if you can't destroy it or if each has their own :dependent, its callbacks can be ...
getExtractedText on inactive InputConnection warning on android
...rone to problems when the user rapidly alternates between typing something and pressing the button or presses the button when the app is under sufficient load, etc.
Fortunately, I found another way to clear text: Editable.clear(). With this I don't get warnings at all:
if (editText.length() > 0...