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Unable to verify leaf signature
I'm using node.js request.js to reach an api. I'm getting this error
14 Answers
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How to use ConcurrentLinkedQueue?
How do I use a ConcurrentLinkedQueue in Java?
Using this LinkedQueue , do I need to be worried about concurrency in the queue? Or do I just have to define two methods (one to retrive elements from the list and another to add elements to the list)?
Note: obviously these two methods have to be ...
How to redirect the output of an application in background to /dev/null
... would like to redirect the output generated from a background application in Linux to /dev/null.
2 Answers
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R memory management / cannot allocate vector of size n Mb
I am running into issues trying to use large objects in R. For example:
8 Answers
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Setting transparent images background in IrfanView
...parent background as black color, so I see just black on black. I've found in Irfan settings that I can change the window's background color, but it changes only around the image, the transparent color is still black.
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C# - Attribute to Skip over a Method while Stepping in Debug Mode
Is there an attribute I can use on a method so that when stepping through some code in Debug mode the Debugger stays on the outside of the method?
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SQL Server IIF vs CASE
I recently came to know about the availability of IIF function in SQL Server 2012. I always use nested CASE in my queries. I want to know the exact purpose of the IIF statement and when should we prefer using IIF over CASE Statement in the query.
I mostly use nested CASE in my queries.
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Format LocalDateTime with Timezone in Java8
...time without a time-zone. You specified the time zone offset format symbol in the format, however, LocalDateTime doesn't have such information. That's why the error occured.
If you want time-zone information, you should use ZonedDateTime.
DateTimeFormatter FORMATTER = DateTimeFormatter.ofPattern("...
Maintain/Save/Restore scroll position when returning to a ListView
I have a long ListView that the user can scroll around before returning to the previous screen. When the user opens this ListView again, I want the list to be scrolled to the same point that it was previously. Any ideas on how to achieve this?
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How do I get the MIN() of two fields in Postgres?
...will be the type of the result (see Section 10.5 for details). NULL values in the list are ignored. The result will be NULL only if all the expressions evaluate to NULL.
Note that GREATEST and LEAST are not in the SQL standard, but are a common extension. Some other databases make them return N...