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Why were pandas merges in python faster than data.table merges in R in 2012?
... @AndyHayden Improvements were made some time ago. I'll edit in the NEWS items. Wes picked on one specific test (equi joining two character columns) which played on that known problem. If he'd picked integer columns it would have been different. And if he'd given me a heads up before presenting th...
How can I “disable” zoom on a mobile web page?
...nger supported. So for Android 4.4 and later the following is suggested as best practice:
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no" />
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imp...
Is it possible to get all arguments of a function as single object inside that function?
...lice(begin[, end])
Array.indexOf(searchElement[, fromIndex])
I think the best way to convert a arguments object to a real Array is like so:
argumentsArray = [].slice.apply(arguments);
That will make it an array;
reusable:
function ArgumentsToArray(args) {
return [].slice.apply(args);
}
(...
How do you detect/avoid Memory leaks in your (Unmanaged) code? [closed]
In unmanaged C/C++ code, what are the best practices to detect memory leaks? And coding guidelines to avoid? (As if it's that simple ;)
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Is it possible to implement a Python for range loop without an iterator variable?
...
Off the top of my head, no.
I think the best you could do is something like this:
def loop(f,n):
for i in xrange(n): f()
loop(lambda: <insert expression here>, 5)
But I think you can just live with the extra i variable.
Here is the option to use the ...
How to convert QString to std::string?
...ing is UTF-16 encoded while std::string... May have any encodings.
So the best would be either:
QString qs;
// Either this if you use UTF-8 anywhere
std::string utf8_text = qs.toUtf8().constData();
// or this if you're on Windows :-)
std::string current_locale_text = qs.toLocal8Bit().constData()...
Parsing CSV files in C#, with header
...of that can be implemented as extensions anyway) FileHelpers is by far the best way to go, really convenient, tested and well performing solution
– mikus
Aug 12 '13 at 13:39
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UIStatusBarStyle PreferredStatusBarStyle does not work on iOS 7
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This is by far the best answer(For apps that use UINavigationController or UITabBarController
– Kesava
Aug 3 '16 at 12:59
2
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Which terminal command to get just IP address and nothing else?
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Best answer for my particular case. You need -P switch for Perl regular expressions or otherwise we can't use the lookbehind (?<=inet\s) token. You can get a similar result by running grep -oe 'inet [0-9\.]\+' or grep -oe ...
Change multiple files
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best solution for a mac!
– Marquis Blount
Jul 21 '17 at 19:23
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