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NullPointerException in Java with no StackTrace

I've had instances of our Java code catch a NullPointerException , but when I try to log the StackTrace (which basically ends up calling Throwable.printStackTrace() ), all I get is: ...
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Altering a column: null to not null

I have a table that has several nullable integer columns. This is undesirable for several reasons, so I am looking to update all nulls to 0 and then set these columns to NOT NULL . Aside from changing nulls to 0 , data must be preserved. ...
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Easy way to write contents of a Java InputStream to an OutputStream

I was surprised to find today that I couldn't track down any simple way to write the contents of an InputStream to an OutputStream in Java. Obviously, the byte buffer code isn't difficult to write, but I suspect I'm just missing something which would make my life easier (and the code clearer). ...
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Regex to get string between curly braces

Unfortunately, despite having tried to learn regex at least one time a year for as many years as I can remember, I always forget as I use them so infrequently. This year my new year's resolution is to not try and learn regex again - So this year to save me from tears I'll give it to Stack Overflow ...
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Why generate long serialVersionUID instead of a simple 1L?

When class implements Serializable in Eclipse, I have two options: add default serialVersionUID(1L) or generated serialVersionUID(3567653491060394677L) . I think that first one is cooler, but many times I saw people using the second option. Is there any reason to generate long serialVersionUID ?...
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How big can a user agent string get?

If you were going to store a user agent in a database, how large would you accomdate for? 11 Answers ...
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How to convert a String to its equivalent LINQ Expression Tree?

This is a simplified version of the original problem. 7 Answers 7 ...
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Can I change the color of auto detected links on UITextView?

I had a UITextView that detects phone numbers and links, but this overrides my fontColor and change it to blueColor . Is there a way to format the color of auto detected links, or should I try a manual version of this function? ...
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Add a “hook” to all AJAX requests on a page

I'd like to know if it's possible to "hook" into every single AJAX request (either as it's about to get sent, or on events) and perform an action. At this point I'm assuming that there are other third-party scripts on the page. Some of these might use jQuery, while others do not. Is this possible? ...
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How to sort with lambda in Python

In Python, I am trying to sort by date with lambda. I can't understand my error message. The message is: 4 Answers ...