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Can not deserialize instance of java.util.ArrayList out of START_OBJECT token

... JSON - this cannot, by default, be deserialized into a Collection because it's not actually a JSON Array - that would look like this: [ { "name": "Test order1", "detail": "ahk ks" }, { "name": "Test order2", "detail": "Fisteku" } ] Since you're no...
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Oracle: If Table Exists

I'm writing some migration scripts for an Oracle database, and was hoping Oracle had something similar to MySQL's IF EXISTS construct. ...
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get all characters to right of last dash

... You can get the position of the last - with str.LastIndexOf('-'). So the next step is obvious: var result = str.Substring(str.LastIndexOf('-') + 1); Correction: As Brian states below, using this on a string with no dashes will result in the...
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Split a python list into other “sublists” i.e smaller lists [duplicate]

...follow | edited May 28 '19 at 22:42 waterproof 3,31522 gold badges2525 silver badges2727 bronze badges ...
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Static fields on a null reference in Java

...tic members ( static fields or static methods) in Java are associated with their respective class rather than the objects of this class. The following code attempts to access a static field on a null reference. ...
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Oracle “Partition By” Keyword

Can someone please explain what the partition by keyword does and give a simple example of it in action, as well as why one would want to use it? I have a SQL query written by someone else and I'm trying to figure out what it does. ...
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Convert Decimal to Double

I want to use a Track-Bar to change a Form 's opacity. 15 Answers 15 ...
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How do you uninstall MySQL from Mac OS X?

...nstalled the PowerPC version of MySQL on my Intel Mac in Snow Leopard, and it installed without a problem but of course doesn't run properly. I just didn't pay enough attention. Now when I try to install the correct x86 version it says that it can't install because a newer version is already install...
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Builder Pattern in Effective Java

...d Effective Java by Joshua Bloch. I found the idea of the Builder pattern [Item 2 in the book] really interesting. I tried to implement it in my project but there were compilation errors. Following is in essence what I was trying to do: ...
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td widths, not working?

... It should be: <td width="200"> or <td style="width: 200px"> Note that if your cell contains some content that doesn't fit into the 200px (like somelongwordwithoutanyspaces), the cell will stretch nevertheles...