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Difference between Select Unique and Select Distinct
...raint that all values to be inserted must be different from the others.
An error can be witnessed if one tries to enter a duplicate value.
Distinct results in the removal of the duplicate rows while retrieving data.
Example:
SELECT DISTINCT names FROM student ;
CREATE TABLE Persons (
Id varchar NOT...
How to configure encoding in Maven?
... changes, it did not fix my problem. After more search and after trial and error the solution described worked. I think that the reason for what happens is because the maven calls the javac of the installed/referred JDK which in turn uses the O/S encoding as default. If someone knows a way to specif...
How to set the maxAllowedContentLength to 500MB while running on IIS7?
... work fine.
See also Request Limits article. Does IIS return one of these errors when the appropriate section is not configured at all?
See also: Maximum request length exceeded
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warning about too many open figures
...ate({'figure.max_open_warning': 0})
If you use this, you won’t get that error, and it is the simplest way to do that.
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.gitignore exclude folder but include specific subfolder
...content/themes/**/*
None of that worked for me, either. Lots of trial and error!
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What is the gain from declaring a method as static
..., as stated in documentation:
When enabled, the compiler will issue an error or a warning for methods which are private or final and which refer only to static members.
If you don't need any instance variable and your method is private (can't be called from outside) or final (can't be override...
How can I generate an INSERT script for an existing SQL Server table that includes all stored rows?
...
A Compute column check is not there. Error is coming if your table have any compute column
– vicky
Feb 7 '17 at 8:36
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Why does sun.misc.Unsafe exist, and how can it be used in the real world?
...ainingUnsafe(final Throwable cause) {
return new RuntimeException("error while obtaining sun.misc.Unsafe", cause);
}
/**
* scenario: test that an CheckedException {@link MyException} can be thrown
* from an method that not declare it.
*/
@Test(expected = MyExcept...
What is the difference between Normalize.css and Reset CSS?
...nd Normalize.css uses the standard structure and also fixes almost all the errors existing in it. For example it fixes the problem with showing a form from one browser to another. Normalize fixes this by modifying this features so your elements will be shown the same on all browsers.
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ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
...to get it working? I have 1gb ram VPS, I always get cannot allocate memory error..
– Mohammed Noureldin
Jul 27 '17 at 15:50
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