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Hiding user input on terminal in Linux script

... ss64.com/bash/read.html Silent mode. If input is coming from a terminal, characters are not echoed. – Andreas Wong Oct 7 '15 at 3:45 ...
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How to convert wstring into string?

...= L"ħëłlö"; const std::locale locale(""); typedef std::codecvt<wchar_t, char, std::mbstate_t> converter_type; const converter_type& converter = std::use_facet<converter_type>(locale); std::vector<char> to(ws.length() * converter.max_length()); std::mbstate_t state...
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Code Golf - π day

... In dc: 88 and 93 93 94 96 102 105 129 138 141 chars Just in case, I am using OpenBSD and some supposedly non-portable extensions at this point. 93 chars. This is based on same formula as FORTRAN solution (slightly different results than test cases). Calculates X^2=R^2-...
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Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize

...maven script /$MAVEN-HOME/bin/mvn, found the following line MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" Where $MAVEN_PROJECTBASEDIR by default is your home directory. So two places you can take a look, first is file $MAVEN_PROJECTBASEDIR/.mvn/jvm.config if it ...
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Stripping everything but alphanumeric chars from a string in Python

What is the best way to strip all non alphanumeric characters from a string, using Python? 11 Answers ...
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What is The Rule of Three?

...pointers. The person class might have looked like this: class person { char* name; int age; public: // the constructor acquires a resource: // in this case, dynamic memory obtained via new[] person(const char* the_name, int the_age) { name = new char[strlen(the_name...
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What is Type-safe?

.... Memory** and data type (with its corresponding operations). Memory** A char typically requires 1 byte per character, or 8 bits (depends on language, Java and C# store unicode chars which require 16 bits). An int requires 4 bytes, or 32 bits (usually). Visually: char: |-|-|-|-|-|-|-|-| int : |...
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“Invalid JSON primitive” in Ajax processing

... If I had to write code like that (string concat) to create JSON objects, I would kill myself (figuratively speaking). There has to be a better way. – PandaWood Feb 20 '13 at 23:32 ...
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How to select rows that have current day's timestamp?

...e the easiest in my opinion: SELECT * FROM `table` WHERE `timestamp` like concat(CURDATE(),'%'); share | improve this answer | follow | ...
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How can I remove a character from a string using Javascript?

...tting this, but it just isn't right. All I would like to do is remove the character r from a string. The problem is, there is more than one instance of r in the string. However, it is always the character at index 4 (so the 5th character). ...