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Why are joins bad when considering scalability?
...le. So in many problem domains, the proper academic primary key is a composite of 3 or 4 attributes. However, almost everyone in the modern corporate world uses an auto-generated, sequential integer as a table's primary key. Why? Two reasons. The first is because it makes the model much cleaner...
Load view from an external xib file in storyboard
...eric type is the return value, so the type has to be specified at the call site.
extension UIView {
public class func instantiateViewFromNib<T>(_ nibName: String, inBundle bundle: Bundle = Bundle.main) -> T? {
if let objects = bundle.loadNibNamed(nibName, owner: nil) {
for obje...
MongoDB/NoSQL: Keeping Document Change History
...
We have partially implemented this on our site and we use the 'Store Revisions in a separate document" (and separate database). We wrote a custom function to return the diffs and we store that. Not so hard and can allow for automated recovery.
...
How to use Elasticsearch with MongoDB?
I have gone through many blogs and sites about configuring Elasticsearch for MongoDB to index Collections in MongoDB but none of them were straightforward.
...
How do you specify the Java compiler version in a pom.xml file?
...mpared to the selected answer, but it seems sort of hidden. Even the Maven site documentation shows using the plugin.
– mkobit
Oct 15 '15 at 16:34
2
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Throw HttpResponseException or return Request.CreateErrorResponse?
...lling to share your exception filter? Perhaps as a Gist or on a code share site such as CodePaste?
– Paige Cook
Sep 21 '12 at 13:11
...
Can I have an IF block in DOS batch file?
...the operation...
goto Continue2
)
:Continue2
If exist "C:\Python31\Lib\site-packages\PyQt4" (
msg * 3th line WORKS FINE rem You can relpace msg * with any othe operation...
goto Continue3
)
:Continue3
msg * 4th line WORKS FINE rem You can relpace msg * with any othe operation...
goto C...
Git - How to use .netrc file on Windows to save user and password
...
I am posting a way to use _netrc to download materials from the site www.course.com.
If someone is going to use the coursera-dl to download the open-class materials on www.coursera.com, and on the Windows OS someone wants to use a file like ".netrc" which is in like-Unix OS to add the op...
What are the main performance differences between varchar and nvarchar SQL Server data types?
...
Always coding/planning for a multi-lingual site (when you have no inkling that you will ever need it) is like telling all young adult they should buy a big 8 seat, gas-guzzling SUV for their first car...after all, they might get married some day and might have 6 kids...
Good or bad practice? Initializing objects in getter
...ople vouching against it than for it. The more experienced members of this site (@BillK and @DanielHilgarth) that posted in this question are against it. Your coworker already told you it's wrong. Seriously, it's wrong! If I catch one of the developers of my team (I'm a team leader) doing this, he'l...