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Detecting Windows or Linux? [duplicate]
I am seeking to run a common Java program in both Windows and Linux.
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Size of Matrix OpenCV
...ou please tell me how to obtain the size of a matrix in OpenCV?. I googled and I am still searching, but if any of you know the answer, please help me.
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How to enable PHP's openssl extension to install Composer?
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It is possible that WAMP and Composer are using different PHP installations. Composer will use the PHP set in the PATH environment variable.
If you want to enable the openssl extension to install Composer, first you need to check the location of th...
Use '=' or LIKE to compare strings in SQL?
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LIKE and the equality operator have different purposes, they don't do the same thing:
= is much faster, whereas LIKE can interpret wildcards. Use = wherever you can and LIKE wherever you must.
SELECT * FROM user WHERE login LIKE ...
How can I add an ampersand for a value in a ASP.net/C# app config file value
... a C# program with values in a config file. What I want is to store ampersands for an url value like...
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Polymorphism with gson
... problem deserializing a json string with Gson.
I receive an array of commands. The command can be start, stop , some other type of command. Naturally I have polymorphism, and start/stop command inherit from command.
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How can I output the value of an enum class in C++11
...e else sees this question you can just use the cast technique method above and simply call "static_cast<int>(value)" to get the integer or "static_cast<A>(intValue)" to get an enum value. Just bear in mind that going from int to enum or enum to enum can cause issues and generally is gene...
Spring - @Transactional - What happens in background?
...hapters to it. I recommend reading the ones on Aspect-Oriented Programming and Transactions, as Spring's declarative transaction support uses AOP at its foundation.
But at a very high level, Spring creates proxies for classes that declare @Transactional on the class itself or on members. The proxy ...
Python add item to the tuple
...new = a + b instead of new = a + (b,). AFAICT, works the same in python3 and python2.7.
– ILMostro_7
Jun 15 '18 at 11:42
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SVN checkout the contents of a folder, not the folder itself
I'm fairly new to linux and svn. I'm trying to checkout the trunk folder of a project into my public_html directory using this command (while in public_html):
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