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Safe String to BigDecimal conversion

...le locale) { final DecimalFormatSymbols symbols; final char groupSeparatorChar; final String groupSeparator; final char decimalSeparatorChar; final String decimalSeparator; String ...
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What's the most efficient test of whether a PHP string ends with another string?

...slower due to more testing. Probably the most efficient way is to do loop char-by-char from the -sterlen(test) position till the end of the string and compare. That's the minimal amount of comparisons you can hope to do and there's hardly any extra memory used. ...
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How do I handle newlines in JSON?

...tf.org/rfc/rfc4627.txt contains this sentence in section 2.5: "All Unicode characters may be placed within the quotation marks except for the characters that must be escaped: quotation mark, reverse solidus, and the control characters (U+0000 through U+001F)." Since a newline is a control character,...
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Regexp Java for password validation

...per case letter must occur at least once (?=.*[@#$%^&+=]) # a special character must occur at least once (?=\S+$) # no whitespace allowed in the entire string .{8,} # anything, at least eight places though $ # end-of-string It's easy to add, modify or remo...
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What is the difference between UTF-8 and Unicode?

...r wants to use. Also, when a text editor program reads a file, it needs to select a text encoding scheme to decode it correctly. Same goes when you are typing and entering a letter, the text editor needs to know what scheme you use so that it will save it correctly. – Cheng ...
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How to define an enumerated type (enum) in C?

...um { RANDOM, IMMEDIATE, SEARCH } strategy = IMMEDIATE; int main(int argc, char** argv){ printf("strategy: %d\n", strategy); return 0; } If instead of the above, the second line were changed to: ... enum { RANDOM, IMMEDIATE, SEARCH } strategy; strategy = IMMEDIATE; ... From the warnings, ...
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Java's L number (long) specification

... 3.14159), it is assumed to be a double. In all other cases (byte, short, char), you need the cast as there is no specific suffix. The Java spec allows both upper and lower case suffixes, but the upper case version for longs is preferred, as the upper case L is less easy to confuse with a numeral ...
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How do I use Java to read from a file that is actively being written to?

...{ if( reader.available() > 0 ) { System.out.print( (char)reader.read() ); } else { try { sleep( 500 ); } catch( InterruptedException ex ) { running = false; } } } } Of...
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Branch descriptions in Git

... with commits 6f9a332, 739453a3, b7200e8: struct branch_desc_cb { const char *config_name; const char *value; }; --edit-description:: Open an editor and edit the text to explain what the branch is for, to be used by various other commands (e.g. request-pull). Note that it won't work for...
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Escape a string for a sed replace pattern

...Niklas Peter) Note that escaping everything is a bad idea. Sed needs many characters to be escaped to get their special meaning. For example, if you escape a digit in the replacement string, it will turn in to a backreference. As Ben Blank said, there are only three characters that need to be esca...