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How to delete the contents of a folder?
...se an other filter in you path, for example : /YOU/PATH/*.txt for removing all text files in a directory.
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How to go about formatting 1200 to 1.2k in java
...All("\\.[0-9]+", "") : formattedNumber;
}
outputs:
999
1.2k
98k
911k
1.1m
11b
712b
34t
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How to modify a global variable within a function in bash?
...alise that if you just run the function without assigning it to a variable all the global variables within it will update. Instead of returning a string array, why not just update the string array in the function then assign it to another variable after the function has finished ?
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How to validate an OAuth 2.0 access token for a resource server?
...(RS) and Authorization Server (AS) for access token (AT) validation. It really depends on the AS's token format/strategy - some tokens are self-contained (like JSON Web Tokens) while others may be similar to a session cookie in that they just reference information held server side back at the AS.
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hash function for string
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Nick JohnsonNick Johnson
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What is the meaning of “POSIX”?
... and I read it every time I encounter the term. The fact is that I never really understood what it is.
14 Answers
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Getting the location from an IP address [duplicate]
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You could download a free GeoIP database and lookup the IP address locally, or you could use a third party service and perform a remote lookup. This is the simpler option, as it requires no setup, but it does introduce additional latency.
One third party service you could use is mine, http://...
How do I read / convert an InputStream into a String in Java?
...0,028 us/op
6. InputStreamReader and StringBuilder (JDK) avgt 10 6,980 ± 0,404 us/op
10. BufferedInputStream, ByteArrayOutputStream avgt 10 7,437 ± 0,735 us/op
11. InputStream.read() and StringBuilder (JDK) avgt 10 8,977 ± 0,328 us/op
7. StringWriter and IOUtils.copy (Apache...
Correct format specifier for double in printf
...).
Note that this is one place that printf format strings differ substantially from scanf (and fscanf, etc.) format strings. For output, you're passing a value, which will be promoted from float to double when passed as a variadic parameter. For input you're passing a pointer, which is not promoted...
How to get distinct values from an array of objects in JavaScript?
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@zhuguowei perhaps, although there's nothing really wrong with sparse arrays - and I also assumed that age is a relatively small integer (<120 surely)
– Niet the Dark Absol
Jun 12 '17 at 14:56
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