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CHECK constraint in MySQL is not working
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MySQL 8.0.16 is the first version that supports CHECK constraints.
Read https://dev.mysql.com/doc/refman/8.0/en/create-table-check-constraints.html
If you use MySQL 8.0.15 or earlier, the MySQL Reference Manual says:
The CHECK clause is parsed but ignored by all storage engines.
Try a tri...
Synthetic Class in Java
...JVM during run time for its execution purpose are called Synthetic
http://www.javaworld.com/article/2073578/java-s-synthetic-methods.html
http://javapapers.com/core-java/java-synthetic-class-method-field/
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How do I create a branch?
...I used this cmd and it didn;t work, but when i changed the svn+ssh to just https it did work. Did I do anything wrong? what is the meaning of svn+ssh? Thanks!
– Aviel Gross
Aug 22 '13 at 7:31
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Get index of array element faster than O(n)
...t LAST index of element searched
puts array.rindex('a')
index: http://www.ruby-doc.org/core-1.9.3/Array.html#method-i-index
rindex: http://www.ruby-doc.org/core-1.9.3/Array.html#method-i-rindex
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COALESCE Function in TSQL
...LL.
There's a much more thorough description of the details here
http://www.mssqltips.com/sqlservertip/2689/deciding-between-coalesce-and-isnull-in-sql-server/
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Use a normal link to submit a form
...arch from whole document to find the right form.
<form action="http://www.greatsolutions.com.br/indexint.htm"
method="get">
<h3> Enter your name</h3>
First Name <input type="text" name="fname" size="30"><br>
Last Name <input type...
Using relative URL in CSS file, what location is it relative to?
...url("yellow") }
is located in a style sheet designated by the URI:
http://www.example.org/style/basic.css
The background of the source document's BODY will be tiled with whatever image is described by the resource designated by the URI
http://www.example.org/style/yellow
User agents may vary in h...
Deny all, allow only one IP through htaccess
...ld not work? In my .htaccess I have three more lines, where I redirect non-www to www, but that's it. But I'm also getting the error when I have ONLY the three lines with deny, allow, etc.
– Musterknabe
Apr 25 '15 at 15:51
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Is there an easy way to request a URL in python and NOT follow redirects?
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>>> import httplib
>>> conn = httplib.HTTPConnection("www.bogosoft.com")
>>> conn.request("GET", "")
>>> r1 = conn.getresponse()
>>> print r1.status, r1.reason
301 Moved Permanently
>>> print r1.getheader('Location')
http://www.bogosoft.com/ne...
Uninstall Node.JS using Linux command line?
...lowing command:
sudo make uninstall
If you followed the instructions on https://github.com/nodejs/node/wiki to install to your $HOME/local/node, then you have to type the following before the line above:
./configure --prefix=$HOME/local/node
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