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Inspecting standard container (std::map) contents with gdb
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The existing answers to this question are very out of date. With a recent GCC and GDB it Just WorksTM thanks to the built-in Python support in GDB 7.x and the libstdc++ pretty printers that come with GCC.
For the OP's example I get:
(gdb) print m
$1 = std::map with 2 el...
How do browsers pause/change Javascript when tab or window is not active?
...etect if people are paying attention or not. But, this question is not about the page visibility API .
3 Answers
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Get person's age in Ruby
...arty here, but the accepted answer will break horribly when trying to work out the age of someone born on the 29th February on a leap year. This is because the call to birthday.to_date.change(:year => now.year) creates an invalid date.
I used the following code instead:
require 'date'
def age(...
How to remove a package in sublime text 2
...imerge"
]
}
In my instance, my trial period for "Sublimerge" had run out and I would get a popup every time I would start Sublime Text 2 saying:
"The package specified, Sublimerge, is not available"
I would have to close the event window out before being able to do anything in ST2.
But in m...
How to quickly open a file in Visual Studio 2012
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@ChrisHynes To clear out selection... you can hit Ctrl + ; again and then hit ESC key, which will clear out the field. If you hit ESC another time, it will put your focus back in the code editor as well. (Not ideal, but better than nothing.)
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Anyway to prevent the Blue highlighting of elements in Chrome when clicking quickly?
Most of the time I'm not worried about it but I have an image carousel and if I click on the next and previous divs quickly, they will be highlighted in Chrome.
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Why does the JVM still not support tail-call optimization?
...e JIT may or may not do this.
Then it gives a test you can use to figure out if your JIT does this.
Naturally, since this is an IBM paper, it includes a plug:
I ran this program with a couple of
the Java SDKs, and the results were
surprising. Running on Sun's Hotspot
JVM for version 1.3...
How can I check for an empty/undefined/null string in JavaScript?
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@bdukes when you start to care about that kind of micro-optimizations, I don't think Chrome is the browser where you are having most of your performance problems...
– Vincent Robert
Sep 27 '10 at 16:18
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How can I force browsers to print background images in CSS?
...tings have "don't print background images", there's nothing you can do without rewriting your page to turn the background images into floating "foreground" images that happen to be behind other content.
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How to list all installed packages and their versions in Python?
...installed packages.
Update
pip has been updated to also produce the same output as pip freeze by calling:
pip list
Note
The output from pip list is formatted differently, so if you have some shell script that parses the output (maybe to grab the version number) of freeze and want to change you...