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Check whether an input string contains a number in javascript

...pattern" is the regular expression itself, and "modifiers" are a series of characters indicating various options.          The character class is the most basic regex concept after a literal match. It makes one small sequence of characters match a larger set of characters. For example, [A-...
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Get an OutputStream into a String

...tring constructor, the codepage can be a String or an instance of java.nio.charset.Charset. A possible value is java.nio.charset.StandardCharsets.UTF_8. The method toString() accepts only a String as a codepage parameter (stand Java 8). ...
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Parse (split) a string in C++ using string delimiter (standard C++)

...ollowing, you need add 2 not 1 due to the size of the delimiter which is 2 characters :) : std::string s = "scott>=tiger>=mushroom"; std::string delimiter = ">="; size_t last = 0; size_t next = 0; while ((next = s.find(delimiter, last)) != std::string::npos) { st...
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boost多索引容器multi_index_container实战 - C/C++ - 清泛网 - 专注C/C++及内核技术

... typedef std::vector<Person::ptr> Persons; int main(int argc, char *argv[]) { if (argc != 2) { printf("Usage: program count\n"); return 0; } PersonContainer container; IdPersons idPersons; NamePersons namePersons; p...
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How do I toggle an element's class in pure JavaScript?

...e seperators. for example it doesn't work if class name contain dash ("-") char: btn, btn-red will both match'\\b' + 'btn' + '\\b' !! – S.Serpooshan Feb 5 '19 at 6:47 ...
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Extracting an attribute value with beautifulsoup

...have a question about parsing the output which i a long bunch of non-ASCII chars but I will ask this in a separate question. – Barnabe Apr 10 '10 at 7:33 3 ...
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Get value when selected ng-option changes

...ple: &lt;div ng-app="App" &gt; &lt;div ng-controller="ctrl"&gt; &lt;select ng-model="blisterPackTemplateSelected" ng-change="changedValue(blisterPackTemplateSelected)" data-ng-options="blisterPackTemplate as blisterPackTemplate.name for blisterPackTemplate in blisterPackTemplates...
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How many bits or bytes are there in a character? [closed]

How many bits or bytes are there per "character"? 2 Answers 2 ...
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How to prevent SIGPIPEs (or handle them properly)

...? Is there a way to check if the other side of the line is still reading? (select() doesn't seem to work here as it always says the socket is writable). Or should I just catch the SIGPIPE with a handler and ignore it? ...
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How to reset postgres' primary key sequence when it falls out of sync?

... -- Login to psql and run the following -- What is the result? SELECT MAX(id) FROM your_table; -- Then run... -- This should be higher than the last result. SELECT nextval('your_table_id_seq'); -- If it's not higher... run this set the sequence last to your highest id. -- (wise to run...