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Is there a difference between using a dict literal and a dict constructor?
...ch should make it a tiny bit faster
the second looks up dict in locals() and then globals() and the finds the builtin, so you can switch the behaviour by defining a local called dict for example although I can't think of anywhere this would be a good idea apart from maybe when debugging
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How to round float numbers in javascript?
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Convert a number to a string and then back again? That can't be fast.
– csl
Nov 9 '12 at 14:07
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Why does .NET use banker's rounding as default?
...s performed, you will average out that all .5's end up rounding equally up and down. This gives better estimations of actual results if you are for instance, adding a bunch of rounded numbers. I would say that even though it isn't what some may expect, it's probably the more correct thing to do.
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Sort a list of tuples by 2nd item (integer value) [duplicate]
... you can add a negative sign, this will sort using the first element first and then second element: sorted(some_list, lambda x: (x[0], -x[1],))
– Seraf
Mar 10 '19 at 17:34
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'is' versus try cast with null check
...// only one cast
if (myObjRef != null)
{
// myObjRef is already MyType and doesn't need to be cast again
...
}
C# 7.0 supports a more compact syntax using pattern matching:
if (myObj.myProp is MyType myObjRef)
{
...
}
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What is the meaning of “this” in Java?
...d is required. If i add the main method, then I have to call from there. And any attempt to call frobnicate() inside main says that you can't call a non-static reference from inside a static one. And removing static from main returns the error again that no main method i s found. Please explain.
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Making TextView scrollable on Android
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You don't need to use a ScrollView actually.
Just set the
android:scrollbars = "vertical"
properties of your TextView in your layout's xml file.
Then use:
yourTextView.setMovementMethod(new ScrollingMovementMethod());
in your code.
Bingo, it scrolls!
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Build the full path filename in Python
...odule. How do I build the file path from a directory name, base filename, and a file format string?
4 Answers
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How to send HTTP request in java? [duplicate]
In Java, How to compose a HTTP request message and send it to a HTTP WebServer?
9 Answers
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How can I pretty-print JSON using Go?
...nswered Sep 26 '13 at 21:17
Alexander BauerAlexander Bauer
7,78277 gold badges2626 silver badges3838 bronze badges
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