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What does DIM stand for in Visual Basic and BASIC?
...(The original implementation of BASIC was Dartmouth BASIC, which descended from FORTRAN, where DIMENSION is spelled out.)
Nowadays, Dim is used to define any variable, not just arrays, so its meaning is not intuitive anymore.
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What is the difference between persist() and merge() in JPA and Hibernate?
...peration is
cascaded to entities referenced by X,
if the relationships from X to these
other entities are annotated with the
cascade=PERSIST or cascade=ALL
annotation element value or specified
with the equivalent XML descriptor
element.
If X is a removed entity,
it becomes managed...
send/post xml file using curl command line
...send/post an xml file to a local server http://localhost:8080 using curl from the command line?
8 Answers
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How to get the type of T from a member of a generic class or method?
...Give a try with BindingList<T>, our BindingListView<T> inherit from BindingList<T> and both I have try both of your option and it doesn't work. I might do something wrong... but I think this solution work for the type List<T> but not other type of list.
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Mutable vs immutable objects
...utable objects gets a lot of bad press (e.g. returning an array of strings from a method) but I'm having trouble understanding what the negative impacts are of this. What are the best practices around using mutable objects? Should you avoid them whenever possible?
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make iframe height dynamic based on content inside- JQUERY/Javascript
...d a situation a while ago where I additionally needed to call iframeLoaded from the IFRAME itself after a form-submission occurred within. You can accomplish that by doing the following within the IFRAME's content scripts:
parent.iframeLoaded();
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Unix shell script find out which directory the script file resides?
...sing $BASH_SOURCE, and it returns what I needed. My script is being called from another script, and $0 returns . while $BASH_SOURCE returns the right subdirectory (in my case scripts).
– David Rissato Cruz
Dec 3 '15 at 16:28
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How can I multiply all items in a list together with Python?
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Python 3: use functools.reduce:
>>> from functools import reduce
>>> reduce(lambda x, y: x*y, [1,2,3,4,5,6])
720
Python 2: use reduce:
>>> reduce(lambda x, y: x*y, [1,2,3,4,5,6])
720
For compatible with 2 and 3 use pip install six, then:
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Convert a date format in PHP
I am trying to convert a date from yyyy-mm-dd to dd-mm-yyyy (but not in SQL); however I don't know how the date function requires a timestamp, and I can't get a timestamp from this string.
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How do I make HttpURLConnection use a proxy?
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This is fairly easy to answer from the internet. Set system properties http.proxyHost and http.proxyPort. You can do this with System.setProperty(), or from the command line with the -D syntax.
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