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Find out HTTP method in PHP [duplicate]
...ECIAL_CHARS )
(you might of course use other filter, eg. FILTER_SANITIZE_STRING - see here for a full list).
Obviously, in the regular (GET/POST) case there ain't anything to sanitize, but a good habit is still a good habit IMO.
http://php.net/manual/en/reserved.variables.server.php
http://php....
How do you clear a stringstream variable?
...he error state back to goodbit (no error).
For clearing the contents of a stringstream, using:
m.str("");
is correct, although using:
m.str(std::string());
is technically more efficient, because you avoid invoking the std::string constructor that takes const char*. But any compiler these days...
Error handling in C code
...r if struct is really large) and have a function to format the struct as a string.
– Winger Sendon
Sep 27 '18 at 22:50
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Insert text with single quotes in PostgreSQL
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String literals
Escaping single quotes ' by doubling them up -> '' is the standard way and works of course:
'user's log' -- incorrect syntax (unbalanced quote)
'user''s log'
In old versions or if you still run with ...
if A vs if A is not None:
...back to database stuff. There's a big difference between NULL and an empty string. An empty string typically says "there's a value here, and that value is nothing at all". NULL says "this value hasn't been entered."
In each of those cases, you'd want to use if A is None. You're checking for a speci...
How to escape JSON string?
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I use System.Web.HttpUtility.JavaScriptStringEncode
string quoted = HttpUtility.JavaScriptStringEncode(input);
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Node.js: printing to console without a trailing newline?
...me line, for instance in a countdown, you could add '\r' at the end of the string.
process.stdout.write("Downloading " + data.length + " bytes\r");
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How to remove single character from a String
For accessing individual characters of a String in Java, we have String.charAt(2) . Is there any inbuilt function to remove an individual character of a String in java?
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Determine the number of lines within a text file
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Small note: because String is a reference type the array would be the size of the number of lines x the size of a pointer, but you're correct that it still needs to store the text, each line as a single String object.
– Mik...
Validating IPv4 addresses with regexp
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@PriteshAcharya Works fine over here.
– Kid Diamond
Mar 15 '18 at 13:27
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