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How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
...at as Matthew's answer is, I just needed a quick and dirty way of handling for checking some data. I also admit that my own knowledge is lacking right now in defining functions in SQL. I was only interested in numbers between 1 and 5 digits, so I changed the regex to E'\\d{1,5}$'.
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Nullable Foreign Key bad practice?
Let's say you have a table Orders with a foreign key to a Customer Id. Now, suppose you want to add an Order without a Customer Id, (whether that should be possible is another question) you would have to make the foreign key NULL... Is that bad practice or would you rather work with a link table bet...
SQL - many-to-many table primary key
...or thinks the table is stored in an array rather than an extremely high performance balanced multi-way tree structure.
For a start, it's never necessary to store or get at the table sorted, just the index. And the index won't be stored sequentially, it'll be stored in an efficient manner to be able...
change html text from link with jquery
...od works on both HTML and XML
documents. Cannot be used on input
elements. For input field text use the
val attribute.
For example:
Find the text in the first paragraph
(stripping out the html), then set the
html of the last paragraph to show it
is just text (the bold is gone).
var str = $("p:firs...
Provisioning Profiles menu item missing from Xcode 5
... on my iPad again. The problem is that in Xcode 5 I don't have a menu item for Library - Provisioning Profiles, and I don't know what could have happened. I restarted the computer, tried some things, but I really have no idea what I could do. How can I fix this problem?
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How to set a default value for an existing column
...erver:
ALTER TABLE Employee ADD CONSTRAINT DF_SomeName DEFAULT N'SANDNES' FOR CityBorn;
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How can I create an array with key value pairs?
...ow["datasource_id"]] = $row["title"];
}
$row["datasource_id"] is the key for where the value of $row["title"] is stored in.
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Launch Bootstrap Modal on page load
...
@racl101 It's the opposite for me (it's been 2 years since your post, so things might have changed). It only works with $(document).ready( ... when I store this script in an MVC PartialView for my Modal that is dynamically added when a user clicks on ...
List of zeros in python [duplicate]
...ist which contains only zeros? I want to be able to create a zeros list for each int in range(10)
8 Answers
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Sending data back to the Main Activity in Android
...or entering data in a dialog box. In this case you should use startActivityForResult to launch your child Activity.
This provides a pipeline for sending data back to the main Activity using setResult. The setResult method takes an int result value and an Intent that is passed back to the calling Ac...