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doGet and doPost in Servlets
...TRING environment variable will be empty.
Advantages/Disadvantages of GET vs. POST
Advantages of the GET method:
Slightly faster
Parameters can be entered via a form or by appending them after the URL
Page can be bookmarked with its parameters
Disadvantages of the GET method:
Can only send 4K wo...
Why is char[] preferred over String for passwords?
... document, the Java Cryptography Architecture guide says this about char[] vs. String passwords (about password-based encryption, but this is more generally about passwords of course):
It would seem logical to collect and store the password in an object
of type java.lang.String. However, here'...
Delete files or folder recursively on Windows CMD
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You can use this in the bat script:
rd /s /q "c:\folder a"
Now, just change c:\folder a to your folder's location. Quotation is only needed when your folder name contains spaces.
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Permission denied for relation
...swer to PostgreSQL Permissions for Web App for more details and a reusable script.
Ref:
GRANT
ALTER DEFAULT PRIVILEGES
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What's the difference between identifying and non-identifying relationships?
..., respectively.
See also my answer to Still Confused About Identifying vs. Non-Identifying Relationships
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Remove Trailing Spaces and Update in Columns in SQL Server
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Well here is a nice script to TRIM all varchar columns on a table dynamically:
--Just change table name
declare @MyTable varchar(100)
set @MyTable = 'MyTable'
--temp table to get column names and a row id
select column_name, ROW_NUMBER() OVER(...
How to change webservice url endpoint?
...posed to change it. More importantly, from an environment to another (test vs live), the endpoint url is likely to change.. and nobody wants to tweak the wsdl and recompile in this case.
– Myobis
Dec 16 '13 at 9:56
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Which is better, number(x) or parseFloat(x)?
...s performance difference is browser dependant.
http://jsperf.com/parseint-vs-parsefloat/6
Have a look at these jsPerf results, and make you're call. (it includes +x tests as well)
As noted in @xdazz 's answer, +"" and Number("") return 0 while parseFloat("") returns NaN so Again I would go with p...
Mapping composite keys using EF code first
... more information.
1) https://msdn.microsoft.com/en-us/library/jj591617(v=vs.113).aspx
2) How to add a composite unique key using EF 6 Fluent Api?
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Need for predictable random generator
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community wiki
4 revs, 2 users 98%Ian Terrell
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