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Get program execution time in the shell
I want to execute something in a linux shell under a few different conditions, and be able to output the execution time of each execution.
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How do I find which rpm package supplies a file I'm looking for?
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You go to http://www.rpmfind.net and search for the file.
You'll get results for a lot of different distros and versions, but quite likely Fedora and/or CentOS will pop up too and you'll know the package name to install with yum
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In C#, why is String a reference type that behaves like a value type?
...istics of a value type such as being immutable and having == overloaded to compare the text rather than making sure they reference the same object.
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How to use Elasticsearch with MongoDB?
... to get you set up to follow this tutorial on Building a functional search component with MongoDB, Elasticsearch, and AngularJS.
If you're looking to use faceted search with data from an API then Matthiasn's BirdWatch Repo is something you might want to look at.
So here's how you can setup a singl...
Splitting string into multiple rows in Oracle
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Also, may use DBMS_UTILITY.comma_to_table & table_to_comma:
http://www.oracle-base.com/articles/9i/useful-procedures-and-functions-9i.php#DBMS_UTILITY.comma_to_table
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Can not deserialize instance of java.util.ArrayList out of START_OBJECT token
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come to think of it. I'm pretty sure that I have the right code and debugging this for hours, and changing my codes along the way. Turns out I was just missing the square brackets to indicate my post is an array.Arrg. Well I ...
C++ Tuple vs Struct
...= std::tuple<int, int, double, std::string>;
We then use Celero to compare the performance of our simple struct and tuple. Below is the benchmark code and performance results collected using gcc-4.9.2 and clang-4.0.0:
std::vector<StructData> test_struct_data(const size_t N) {
std:...
Fixing JavaScript Array functions in Internet Explorer (indexOf, forEach, etc.) [closed]
... implementations (eg. for indexOf). They're generally rigorously standards-compliant, even to the extent of explicitly checking the types of all the arguments.
Unfortunately whilst it is clear that the authors regard this code as trivial and freely-usable, there doesn't seem to be an explicit licen...
In Git, how can I write the current commit hash to a file in the same commit
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I would recommend doing something similar to what you have in mind: placing the SHA1 in an untracked file, generated as part of the build/installation/deployment process. It's obviously easy to do (git rev-parse HEAD > filename or p...
C# Lambda expressions: Why should I use them?
I have quickly read over the Microsoft Lambda Expression documentation.
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