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Hudson or Teamcity for continuous integration? [closed]
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Team City is by far and away the best CI server out there. Its killer feature for me is the tight integration with IDEs (IntelliJ, Eclipse and VisualStudio). It can show you, for example, when a file you're editing in the IDE becomes...
What exactly is Spring Framework for? [closed]
... hear a lot about Spring , people are saying all over the web that Spring is a good framework for web development. What exactly is Spring Framework for?
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How to get a variable value if variable name is stored as string?
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You can use ${!a}:
var1="this is the real value"
a="var1"
echo "${!a}" # outputs 'this is the real value'
This is an example of indirect parameter expansion:
The basic form of parameter expansion is ${parameter}. The value of
parameter is subs...
What is the difference among col-lg-*, col-md-* and col-sm-* in Bootstrap?
What is the difference among col-lg-* , col-md-* and col-sm-* in Twitter Bootstrap?
11 Answers
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Hidden Features of MySQL
...me with MySQL. And my reading on MySQL tuning makes me conclude that MySQL is behind Oracle in terms of optimizing queries.
While the simple queries required for most B2C applications may work well for MySQL, most of the aggregate reporting type of queries needed for Intelligence Reporting seems t...
Process escape sequences in a string in Python
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The correct thing to do is use the 'string-escape' code to decode the string.
>>> myString = "spam\\neggs"
>>> decoded_string = bytes(myString, "utf-8").decode("unicode_escape") # python3
>>> decoded_string = myString.de...
delete vs delete[] operators in C++
What is the difference between delete and delete[] operators in C++?
7 Answers
7
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Preferred way to create a Scala list
There are several ways to construct an immutable list in Scala (see contrived example code below). You can use a mutable ListBuffer, create a var list and modify it, use a tail recursive method, and probably others that I don't know about.
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Understanding Magento Block and Block Type
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The A is a module's alias. In this case page is short for Mage_Page_Block (it is defined in app/code/core/Mage/Page/etc/config.xml if you want to see).
The B is the class name relative to the alias, initial letters of each word ar...
deciding among subprocess, multiprocessing, and thread in Python?
...of multiple processors on the machine that it runs on. My parallelization is very simple, in that all the parallel "threads" of the program are independent and write their output to separate files. I don't need the threads to exchange information but it is imperative that I know when the threads f...