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What is the difference between Unidirectional and Bidirectional JPA and Hibernate associations?
...the Hibernate docs:
http://docs.jboss.org/hibernate/core/3.3/reference/en/html/best-practices.html
Specifically:
Prefer bidirectional associations:
Unidirectional associations are more difficult to query. In a large
application, almost all associations
must be navigable in both dire...
XMLHttpRequest Origin null is not allowed Access-Control-Allow-Origin for file:/// to file:/// (Serv
... worked like a charm for loading a local js file from a local html file! thanks, exactly what i needed.
– user1577390
Nov 3 '13 at 15:41
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Saving timestamp in mysql table using php
...estamp datatype, please refer to dev.mysql.com/doc/refman/5.0/en/timestamp.html for detail.
– RollingBoy
Apr 12 '11 at 9:03
...
Loop through files in a folder using VBA?
...ct.
Full example is given here:
http://www.xl-central.com/list-files-fso.html
Don't forget to set a reference in the Visual Basic Editor to Microsoft Scripting Runtime (by using Tools > References)
Give it a try!
shar...
How can I center an absolutely positioned element in a div?
... Percentage height is relative to the containing block, in this case <html>. But the <html> element doesn't have a height specified so it takes the height of all the content in the document, which is nothing because the only content is absolutely-positioned (taken out of content flow)....
Dealing with multiple Python versions and PIP?
...om/pypa/pip/issues/200
http://www.pip-installer.org/docs/pip/en/0.8.3/news.html#id4
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Why does Math.round(0.49999999999999994) return 1?
...eturn 0;
}
1. http://docs.oracle.com/javase/6/docs/api/java/lang/Math.html#round%28double%29
2. http://bugs.java.com/bugdatabase/view_bug.do?bug_id=6430675 (credits to @SimonNickerson for finding this)
3. http://docs.oracle.com/javase/7/docs/api/java/lang/Math.html#round%28double%29
4....
How to intercept touches events on a MKMapView or UIWebView objects?
...works great for the most part but I have found one problem with it. If the HTML in your web view contains an HTML5 video tag with controls, the gesture recognizer will prevent the user from being able to use the controls. I have been looking for a workaround for this but have yet to find one.
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How to specify JVM maximum heap size “-Xmx” for running an application with “run” action in SBT?
...ions only have effect for forked JVMs (see scala-sbt.org/0.13/docs/Forking.html)
– Yar
Nov 26 '15 at 15:50
1
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Check for array not empty: any?
...hod empty? comes from the Array class
http://ruby-doc.org/core-2.0.0/Array.html#method-i-empty-3F
It's used to check if the array contains something or not. This includes things that evaluate to false, such as nil and false.
>> a = []
=> []
>> a.empty?
=> true
>> a = [nil, fa...