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Determine if a sequence contains all elements of another sequence using Linq [duplicate]
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+1 Any() is much more efficient than Count()
– JaredPar
Jan 2 '09 at 19:17
1
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Find all files in a directory with extension .txt in Python
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@ghostdog74: In my opinion it would more appropriate to write for file in f than for for files in f since what is in the variable is a single filename. Even better would be to change the f to files and then the for loops could become for file in files.
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JavaScript equivalent to printf/String.Format
...itory of sprintf() for JavaScript was not available. underscore.string has more features aside from sprintf which is based on sprintf() for JavaScript implementation. Other than that the library is an entirely different project.
– Maksymilian Majer
Apr 15 '14 a...
Method Overloading for null argument
...cific one.
Since Object is the super-type of char[], the array version is more specific than the Object-version. So if only those two methods exist, the char[] version will be chosen.
When both the char[] and Integer versions are available, then both of them are more specific than Object but none ...
How to get the current date without the time?
...DateTime using the Today property:
DateTime today = DateTime.Today;
or more generally, you can use the Date property. For example, if you wanted the UTC date you could use:
DateTime dateTime = DateTime.UtcNow.Date;
It's not very clear whether that's what you need or not though... if you're j...
How do you assert that a certain exception is thrown in JUnit 4 tests?
...et(0);
}
Though answer https://stackoverflow.com/a/31826781/2986984 has more options for JUnit <= 4.12.
Reference :
JUnit Test-FAQ
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Limiting number of displayed results when using ngRepeat
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Slightly more "Angular way" would be to use the straightforward limitTo filter, as natively provided by Angular:
<ul class="phones">
<li ng-repeat="phone in phones | filter:query | orderBy:orderProp | limitTo:quantity">...
I want to remove double quotes from a String
...quotes. you can replace this with " to only match double quotes.
+: one or more quotes, chars, as defined by the preceding char-class (optional)
g: the global flag. This tells JS to apply the regex to the entire string. If you omit this, you'll only replace a single char.
If you're trying to remov...
Random string generation with upper case letters and digits
...hoices(string.ascii_uppercase + string.digits, k=N))
A cryptographically more secure version; see https://stackoverflow.com/a/23728630/2213647:
''.join(random.SystemRandom().choice(string.ascii_uppercase + string.digits) for _ in range(N))
In details, with a clean function for further reuse:
&...