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For function that manipulate strings, modern object-oriented languages, like C# and Java have immutable strings and return a copy (in newly allocated dynamic memory), while others, like C manipulate the original string unless the programmer copies data to a new string.
Note that "truth" is interpreted very differently by the string-based #if function and the numerically oriented functions #expr and #ifexpr. A string is considered true if it contains at least one non-whitespace character (thus, for example, the #if function interprets the strings "0" and "FALSE" as true values, not false).
Some other programming languages have varying case sensitivity; in PHP, for example, variable names are case-sensitive but function names are not case-sensitive. This means that if a function is defined in lowercase, it can be called in uppercase, but if a variable is defined in lowercase, it cannot be referred to in uppercase.
Language feature comparison (part 2) Directives [Note 1] Conditionals Atomic groups [Note 2] Named capture [Note 3] Comments Embedded code Unicode property support [4] Balancing groups [Note 4] Variable-length look-behinds [Note 5] Boost.Regex: Yes Yes Yes Yes Yes No Some [Note 6] No No Boost.Xpressive: Yes No Yes Yes Yes No No No No CL-PPCRE ...
Affects intrinsic operators (e.g. =, <>, <, >), the Select Case block, and VB runtime library string functions (e.g. InStr). Option Compare Text - Results in string comparisons based on a case-insensitive text sort order determined by your system's locale - e.g. for the English/European code page (ANSI 1252) (A=a) < (À = à) < (B=b) < (E=e ...
Boost-templtes differs from hastemplate in the default namespace; gramar. Boost-templates has a plural form, and uses a dash between the words. syntax. Boost-templates requires quotation marks. function. Hastemplate is a filter, but boost-templates is not; it only changes a score. Boost-template has a parameter for controlling the boost.
Spoilers ahead! We've warned you. We mean it. Read no further until you really want some clues or you've completely given up and want the answers ASAP. Get ready for all of today's NYT ...
This article deals with three ways to compare string (equality, compare, and strcmp). This might have some issues: From my understanding, the three ones cover the same feature. This feature is not defined as long as lexicographical order is not defined. It is not clear if this comparison is a low level comparison, or on an equivalence basis.