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What are the differences between a pointer variable and a reference variable in C++?
I know references are syntactic sugar, so code is easier to read and write.
41 Answers
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How to read a .xlsx file using the pandas Library in iPython?
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In 0.20 and prior, this was sheetname rather than sheet_name (this is now deprecated in favor of the above):
dfs = pd.read_excel(file_name, sheetname=None)
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Twitter image encoding challenge [closed]
...which I'm currently doing manually in Inkscape).
Version 2
UPDATE: v2 is now qualified to compete. Changes:
Command-line control input/output and debugging
Uses XML parser (lxml) to handle SVG instead of regex
Packs 2 path segments per unicode symbol
Documentation and cleanup
Support style="fill...
Bootstrap NavBar with left, center or right aligned items
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2019 Update
Bootstrap 4
Now that Bootstrap 4 has flexbox, Navbar alignment is much easier. Here are updated examples for left, right and center in the Bootstrap 4 Navbar, and many other alignment scenarios demonstrated here.
The flexbox, auto-margi...
Show pop-ups the most elegant way
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$dialog is now $modal
– Sangram Singh
Oct 10 '13 at 14:46
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Javascript when to use prototypes
...ultiple Car() instances.
var volvo = new Car(),
saab = new Car();
Now, you know each car will need to drive, turn on, etc. Instead of attaching a method directly to the Car() class (which takes up memory per each instance created), you can attach the methods to the prototype instead (creat...
Boost Statechart vs. Meta State Machine
...you very much. It's a delight to hear the opinion of the developer itself! Now we only need the response of Andreas Huber :)
– FireAphis
Nov 28 '10 at 7:29
16
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Skip a submodule during a Maven build
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Excellent answer! I don't know why I had so much trouble finding this out of the Maven docs. The one suggestion I would make is that because I prefer the integration tests to be run by default, I added activeByDefault to that profile, and then had to ...
Is there an Eclipse plugin to run system shell in the Console? [closed]
Do you know of any Eclipse plugin to run a system shell in the included console?
It would be awesome. Dolphin, KDE's file navigator, has this feature, you can press F4 and a console shows located on the directory you are standing.
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Does const mean thread-safe in C++11?
...ration --at least not in respect to data races--.
Does that mean const is now the equivalent of Java's synchronized?
No. Not at all...
Consider the following overly simplified class representing a rectangle:
class rect {
int width = 0, height = 0;
public:
/*...*/
void set_size( int ne...