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Correct way to convert size in bytes to KB, MB, GB in JavaScript
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var decimal = 3; // Change as required
var kiloBytes = marker; // One Kilobyte is 1024 bytes
var megaBytes = marker * marker; // One MB is 1024 KB
var gigaBytes = marker * marker * marker; // One GB is 1024 MB
var teraBytes = marker * marker * marker * marker; // One TB is 1024 ...
Can you use reflection to find the name of the currently executing method?
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For non-async methods one can use
System.Reflection.MethodBase.GetCurrentMethod().Name;
https://docs.microsoft.com/en-us/dotnet/api/system.reflection.methodbase.getcurrentmethod
Please remember that for async methods it will return "MoveNext"....
What is the idiomatic Go equivalent of C's ternary operator?
... @tomwilde your solution looks pretty interesting, but it lacks one of the main features of ternary operator - conditional evaluation.
– Vladimir Matveev
Nov 14 '13 at 18:13
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Having Django serve downloadable files
...ded string. Thus for example "Örinää.mp3" file cannot be served. And if one omits the smart_str, the Django itself throws ascii encoding error because all headers are encoded to ascii format before sending. Only way that I know of to circumvent this problem is to reduce X-sendfile filenames to on...
Hand Coded GUI Versus Qt Designer GUI [closed]
...y a different tool for that new problem. I totally agree with Steve S that one advantage of Designer is that someone else who's not a programmer can do the layout.
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Correct way to use StringBuilder in SQL
... content we're going to append. The default size used if you don't specify one is 16 characters, which is usually too small and results in the StringBuilder having to do reallocations to make itself bigger (IIRC, in the Sun/Oracle JDK, it doubles itself [or more, if it knows it needs more to satisfy...
What are C++ functors and their uses?
I keep hearing a lot about functors in C++. Can someone give me an overview as to what they are and in what cases they would be useful?
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JavaScript ternary operator example with functions
...e pretty exciting uses of ternary syntax in your question; I like the last one the best...
x = (1 < 2) ? true : false;
The use of ternary here is totally uncessesary - you could simply write
x = (1 < 2);
Likewise, the condition element of a ternary statement is always evaluated as a Bool...
Changing a specific column name in pandas DataFrame
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A one liner does exist:
In [27]: df=df.rename(columns = {'two':'new_name'})
In [28]: df
Out[28]:
one three new_name
0 1 a 9
1 2 b 8
2 3 c 7
3 4 d 6
4 5 e ...
How can I concatenate regex literals in JavaScript?
...).join("").replace(/(.)(?=.*\1)/g, "");
var regex3 = new RegExp(expression_one.source + expression_two.source, flags);
// regex3 is now /foobar/gy
It's just more wordy than just having expression one and two being literal strings instead of literal regular expressions.
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