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Difference between FetchType LAZY and EAGER in Java Persistence API?
...s;
private List<Student> students;
// setters and getters
}
Now when you load a University from the database, JPA loads its id, name, and address fields for you. But you have two options for how students should be loaded:
To load it together with the rest of the fields (i.e. eagerl...
How do I reattach to a detached mosh session?
...
and reattach to the screen session, which still exists.
screen -r
Now, htop (or whatever process was running) is back just as it was without interruption.This is especially useful for running upgrades or other processes that would leave the server in a messy, unknown state if suddenly inter...
Should I Stop Stopwatch at the end of the method?
... between the calls to Start() and Stop(). Start() just sets a timestamp to now and Stop() calculates and saves the time elapsed since that. See source in coreclr: github.com/dotnet/corefx/blob/master/src/…
– Sammi
Mar 2 '16 at 11:33
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Transpose/Unzip Function (inverse of zip)?
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Known as zip_longest for python3 users.
– zezollo
Mar 8 '16 at 9:02
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Using Ajax.BeginForm with ASP.NET MVC 3 Razor
... to be going to its own page and not just replacing a div result. Do you know why?
– David
Apr 11 '11 at 0:33
3
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How do you stretch an image to fill a while keeping the image's aspect-ratio?
...th to 100% (demo)
.container img {
width: 100%;
}
Since you don't know the aspect ratio, you'll have to use some scripting. Here is how I would do it with jQuery (demo):
CSS
.container {
width: 40%;
height: 40%;
background: #444;
margin: 0 auto;
}
.container img.wide {
...
Should each and every table have a primary key?
... thinking I wouldn't need one, I've ended up going back and adding one. I now create even my join tables with an auto-generated identity field that I use as the primary key.
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How can I change an element's text without changing its child elements?
...s, however. e.g. if the text was at the end of the element first, it would now be at the start.
– Matt
Aug 31 '15 at 17:47
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Running single test from unittest.TestCase via command line
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@TomSwirly Can't check now but I think you can do it by creatiing (empty) __init__.py inside that direcrory (and subdirs, if any) and calling eg. python test/testMyCase.py test.MyCase.testItIsHot.
– Alois Mahdal
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The character encoding of the HTML document was not declared
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I'm using firefox. I typed both of them and now it show me nothing on page. What should I do? Thanks in advance
– Hendry Tanaka
Dec 3 '14 at 3:44
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