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How to check whether a script is running under Node.js?
...ricks we can use to figure out for sure what environment you are in.
Lets start out with the generally accepted solution that's used in the underscore library:
typeof module !== 'undefined' && module.exports
This technique is actually perfectly fine for the server side, as when the requir...
How do you do a case insensitive search using a pattern modifier using less?
...NSI colour sequences.
Another little used feature of less that I found is starting it with +F as an argument (or hitting SHIFT+F while in less). This causes it to follow the file you've opened, in the same way that tail -f <file> will. Very handy if you're watching log files from an applicati...
Get/pick an image from Android's built-in Gallery app programmatically
... intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent,
"Select Picture"), SELECT_PICTURE);
}
});
}
public void onActivityResult(int requestCode, int re...
Hashing a dictionary?
...ks like some sort of seed value is generated every time the interpreter is started.
– Hermann Schachner
May 28 '15 at 11:03
...
Cost of len() function
...). To know when the table stops the computer needs two things : length and start point. That is why len() is a O(1), the computer stores the value, so it just needs to look it up.
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How do I provide JVM arguments to VisualVM?
...
I started with
jvisualvm -J-Xms1024m -J-Xmx2048m
and it worked.
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When is std::weak_ptr useful?
I started studying smart pointers of C++11 and I don't see any useful use of std::weak_ptr . Can someone tell me when std::weak_ptr is useful/necessary?
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Embedding SVG into ReactJS
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Thanks, starting from this I've managed to import an svg from file as a React component without any loader, I've just removed ``` xmlns:osb="openswatchbook.org/uri/2009/osb"``` from the svg tag, leaving only the xlmns. It's all abou...
Why does std::getline() skip input after a formatted extraction?
...s appended to all user input from a terminal as it's telling the stream to start a new line. You can safely account for this by using std::getline when checking for multiple lines of user input. The default behavior of std::getline will read everything up to and including the newline character \n fr...
Optimal number of threads per core
...t it looks pretty, it's deceiving at first glance. First of all the y-axis starts at 42, exaggerating the apparent difference between the tested machines. Secondly, the weird progression of x-axis values suggest that 'time-taken' does not scale linearly with 'number of threads', this is especially t...