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What is Lazy Loading?
...ign of your object model too. (using aggregates and only loading aggregate roots like in domain driven design is a way to get around this without using lazy loading).
Lazy loading can result in the or mapper doing lots of small database accesses instead of retrieving all the data you need once. Thi...
How do I escape a percentage sign in T-SQL?
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In MySQL,
WHERE column_name LIKE '%|%%' ESCAPE '|'
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Fetch the row which has the Max value for a column
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Anyone care to post a link to the MySQL equivalent of this, if there is one?
– redolent
Jan 10 '15 at 2:35
2
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SQL Server Installation - What is the Installation Media Folder?
...vices_x64.exe")
Navigate to the "options" tab
Copy the "Installation Media Root Directory" (should look something like the below snipping)
Paste it into the open "Browse for SQL server Installation Media" window
Save yourself the hastle of renaming and unzipping etc.!
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Getting “cannot find Symbol” in Java project in Intellij
...src contain test folder inside, and multi modules, after mark it as Source Root my issue is worst.
– Se Song
Oct 31 '17 at 2:51
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XDocument or XmlDocument
...s the difference between:
XmlDocument doc = new XmlDocument();
XmlElement root = doc.CreateElement("root");
root.SetAttribute("name", "value");
XmlElement child = doc.CreateElement("child");
child.InnerText = "text node";
root.AppendChild(child);
doc.AppendChild(root);
and
XDocument doc = new XD...
Opening the Settings app from another app
... rejected with the following message from Apple: Your app uses the "prefs:root=" non-public URL scheme, which is a private entity. The use of non-public APIs is not permitted on the App Store because it can lead to a poor user experience should these APIs change. Continuing to use or conceal non-p...
How to get CRON to call in the correct PATHs
.... I used vi and entered in the PATHs I needed into this file and ran it as root. The normal crontab overwrites PATHs that you have set up. A good tutorial on how to do this.
The systemwide cron file looks like this:
This has the username field, as used by /etc/crontab.
# /etc/crontab: system-wide ...
NoSQL (MongoDB) vs Lucene (or Solr) as your database
... Yes, this is exactly how I've used Lucene in the past with older SQL and MySql datastores (storing IDs in Lucene, and retrieving the complex types from the datastore). Technically though, this question was to explore the differences between the two - not exactly how to use the "best of both world...
Installing PG gem on OS X - failure to build native extension
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n.b. If installing as root (for whatever reason), sudo goes before the variable: sudo ARCHFLAGS="-arch x86_64" gem install pg
– Noach Magedman
Aug 12 '14 at 21:40
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