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What is a serialVersionUID and why should I use it?
...I wouldn't expect it to say you need one - but it may be suggesting one in order to help you serialize exceptions correctly. If you're not going to serialize them, you really don't need the constant.
– Jon Skeet
Jun 15 '14 at 18:43
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What are the most common naming conventions in C?
...ING_ID_PREFIX.
Struct names and typedef's in camelcase: GtkWidget, TrackingOrder.
Functions that operate on structs: classic C style: gtk_widget_show(), tracking_order_process().
Pointers: nothing fancy here:
GtkWidget *foo, TrackingOrder *bar.
Global variables: just don't use global variables. They...
NoSQL (MongoDB) vs Lucene (or Solr) as your database
...tially update a document in solr. You have to re-post all of the fields in order to update a document.
And performance matters. If you do not commit, your change to solr does not take effect, if you commit every time, performance suffers.
There is no transaction in solr.
As solr has these disadvanta...
How does the ARM architecture differ from x86? [closed]
...on the context of laptops. For laptops their typical power goal was on the order of 6 watts for a fairly small laptop. More recently (much more recently) they've started to target mobile devices (phones, tablets, etc.) For this market, they're looking at a couple of watts or so at most. They seem to...
How to optimize imports automatically after each save in IntelliJ IDEA
...: that can be fixed by requiring all imports to be used and having a fixed order of imports (both of which IDEs can easily do, so it should not add work for anyone). Then the only diffs in imports are when imports actually change.
– Joachim Sauer
Jan 22 '15 at ...
std::string formatting like sprintf
...ed output and will not calculate the outputs length if that occurs.
So in order to get rid of the deprecation warnings during compilation, you can insert the following line at the top of the file which contains the use of _snprintf:
#pragma warning(disable : 4996)
Final thoughts
A lot of answ...
Benchmarking (python vs. c++ using BLAS) and (numpy)
...use of a bug you have to re-create the shared library after building it in order to use it with numpy.
In addition to this building it for multiple target plattform didn't work for some reason. So I had to create an .so file for each platform for which i want to have an optimized libgoto2.so file. ...
MongoDB logging all queries
...ystem profile collection for all queries that took longer than one second, ordered by timestamp descending will be
db.system.profile.find( { millis : { $gt:1000 } } ).sort( { ts : -1 } )
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Apache and Node.js on the Same Server
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Instructions to run node server along apache2(v2.4.xx) server:
In order to pipe all requests on a particular URL to your Node.JS application create CUSTOM.conf file inside /etc/apache2/conf-available directory, and add following line to the created file:
ProxyPass /node http://localhost:80...
Convert base class to derived class [duplicate]
...mmend that. Take a look at the Decorator Pattern if you want to do this in order to extend the functionality of an existing object.
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