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java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
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What you have is EXTRATERRESTRIAL ALIEN (U+1F47D) and BROKEN HEART (U+1F494) which
are not in the basic multilingual plane. They cannot be even represented in java as one char, "????????".length() == 4. They are definitely not null characters ...
How to save a BufferedImage as a File
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Also, make sure that outputfile exists. If it doesn't, write() will (incorrectly) throw a NullPointerException
– Cody S
Oct 23 '14 at 18:52
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How to show line number when executing bash script
... which has a lot of commands and will generate lots of output, I use set -x or set -v and set -e , so the script would stop when error occurs. However, it's still rather difficult for me to locate which line did the execution stop in order to locate the problem.
Is there a method which can outp...
How can I tell when a MySQL table was last updated?
...he footer of my page, I would like to add something like "last updated the xx/xx/200x" with this date being the last time a certain mySQL table has been updated.
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How to convert List to List?
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Exception raised - LINQ to Entities does not recognize the method 'Int32 IndexOf(Char)' method, and this method cannot be translated into a store expression. .net 4.0
– markthewizard1234
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How to convert a String to CharSequence?
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Except that you can't assign a CharSequence to a String without an explicit cast.
– gustafc
Sep 8 '09 at 6:26
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Why doesn't Haskell's Prelude.read return a Maybe?
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Edit: As of GHC 7.6, readMaybe is available in the Text.Read module in the base package, along with readEither: http://hackage.haskell.org/packages/archive/base/latest/doc/html/Text-Read.html#v:readMaybe
Great question! The type of read itself isn't changing anytime soon bec...
Is there a Java standard “both null or equal” static method?
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With Java 7 you can now directly do a null safe equals:
Objects.equals(x, y)
(The Jakarta Commons library ObjectUtils.equals() has become obsolete with Java 7)
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How to add a string to a string[] array? There's no .Add function
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You can't add items to an array, since it has fixed length. What you're looking for is a List<string>, which can later be turned to an array using list.ToArray(), e.g.
List<string> list = new List<string>();
list.Add("Hi");
String[] str = list.ToArray();...
In javascript, is an empty string always false as a boolean?
...null are always evaluated as false; everything else is true.
And in your example, b is false after evaluation. (I think you mistakenly wrote true)
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