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Dynamic array in C#
...it is better to initiate it as a fixed length array. (If you retrieve data from a ResultSet for example, you could count its size and initiate an array of that size, dynamically)
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Changing one character in a string
...probably:
text = "Z" + text[1:]
The text[1:] returns the string in text from position 1 to the end, positions count from 0 so '1' is the second character.
edit:
You can use the same string slicing technique for any part of the string
text = text[:1] + "Z" + text[2:]
Or if the letter only appe...
Error message 'java.net.SocketException: socket failed: EACCES (Permission denied)'
...ct directory and forgot to overwrite it with the new one before installing from there.
– n611x007
Sep 11 '13 at 15:53
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Best way to convert text files between character sets?
...) below. Additional info: (1) you (probably) don't need to specify the -f (from) option with iconv. (2) the file --mime-encoding <file/s> command can help you to figure out the encoding in the first place.
– fr13d
Jan 15 '16 at 11:37
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How to pass the password to su/sudo/ssh without overriding the TTY?
...
For sudo there is a -S option for accepting the password from standard input. Here is the man entry:
-S The -S (stdin) option causes sudo to read the password from
the standard input instead of the terminal device.
This will allow you to run a comman...
Avoiding instanceof in Java
...
You might be interested in this entry from Steve Yegge's Amazon blog: "when polymorphism fails". Essentially he's addressing cases like this, when polymorphism causes more trouble than it solves.
The issue is that to use polymorphism you have to make the logic ...
Confirm deletion in modal / dialog using Twitter Bootstrap?
...p 3.0.0
The simplest possible example:
bootbox.alert("Hello world!");
From the site:
The library exposes three methods designed to mimic their native JavaScript equivalents. Their exact method signatures are flexible as each can take various parameters to customise labels and specify defaul...
Is char signed or unsigned by default?
...ome other datatypes, for example int means signed int always, right? Apart from char, what other datatypes have the same confusion in C?
– Lazer
Mar 28 '10 at 11:15
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How to understand Locality Sensitive Hashing?
...t in understanding the hashing for cosine similarity.
I borrow two slides from Benjamin Van Durme & Ashwin Lall, ACL2010 and try to explain the intuitions of LSH Families for Cosine Distance a bit.
In the figure, there are two circles w/ red and yellow colored, representing two two-dimension...
When should I use C++14 automatic return type deduction?
..., std::forward<Tuple>(args), Indices());
}
This example is taken from the official committee paper N3493. The purpose of the function apply is to forward the elements of a std::tuple to a function and return the result. The int_seq and make_int_seq are only part of the implementation, and ...