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Which is more preferable to use: lambda functions or nested functions ('def')?
...))))[-10:]
I wrote it, and it took me a minute to figure it out. This is from Project Euler - i won't say which problem because i hate spoilers, but it runs in 0.124 seconds :)
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How to check whether an object is a date?
....prototype, which is the reason for the instanceof failure: Date.prototype from frame1 is not part of the prototype chain of Date instances from frame2
– Christoph
Apr 13 '10 at 16:25
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What is the purpose of the single underscore “_” variable in Python?
...a correct username")).
# the usage of underscore in translation comes from examples in the doc
# that have been copy/pasted over decades, like this one:
import gettext
gettext.bindtextdomain('myapplication', '/path/to/my/language/directory')
gettext.textdomain('myapplication')
...
How to check whether a string is Base64 encoded or not
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from the documentation: isArrayByteBase64(byte[] arrayOctet) Deprecated. 1.5 Use isBase64(byte[]), will be removed in 2.0.
– Avinash R
Dec 5 '13 at 4:32
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Collection versus List what should you use on your interfaces?
...mbiguity. Collection<T> and ReadOnlyCollection<T> both derive from ICollection<T> (i.e. there is no IReadOnlyCollection<T>). If you return the interface, it's not obvious which one it is and whether it can be modified. Anyway, thanks for your input. This was a good sanity...
How do I write output in same place on the console?
...am new to python and am writing some scripts to automate downloading files from FTP servers, etc. I want to show the progress of the download, but I want it to stay in the same position, such as:
...
Can someone explain the dollar sign in Javascript?
...riable means nothing special to the interpreter, much like an underscore.
From what I've seen, many people using jQuery (which is what your example code looks like to me) tend to prefix variables that contain a jQuery object with a $ so that they are easily identified and not mixed up with, say, in...
Calculate age given the birth date in the format YYYYMMDD
...- birthday.getTime();
var ageDate = new Date(ageDifMs); // miliseconds from epoch
return Math.abs(ageDate.getUTCFullYear() - 1970);
}
Disclaimer: This also has precision issues, so this cannot be completely trusted either. It can be off by a few hours, on some years, or during daylight sav...
How do you switch pages in Xamarin.Forms?
...thin a NavigationPage you should be able to access the Navigation property from within your page
– Jason
Aug 6 '14 at 21:28
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How can I check if a command exists in a shell script? [duplicate]
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Check if a program exists from a Bash script specifically advises against using which.
– jww
Oct 16 '17 at 4:06
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