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How can I match multiple occurrences with a regex in JavaScript similar to PHP's preg_match_all()?
... is mention that the exec() method will continue to return the next result set if called more than once. Thanks again for the great tip!
– Adam Franco
Feb 6 '09 at 16:44
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How do I execute a command and get the output of the command within C++ using POSIX?
..." << line << '\n';
# if reading stdout stopped at EOF then reset the state:
if (proc.eof() && proc.fail())
proc.clear();
// read child's stderr
while (std::getline(proc.err(), line))
std::cout << "stderr: " << line << '\n';
}
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Adding :default => true to boolean in existing Rails column
...been ran are executed. If you started with a fresh database, then it would set the default to true.
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API vs. Webservice [closed]
...sy of Wikipedia) are:
API
An application programming interface (API) is a set of routines, data structures, object classes and/or protocols provided by libraries and/or operating system services in order to support the building of applications.
Webservice
A Web service (also Web Service) is defin...
How does JavaScript .prototype work?
...gures the prototype chain when using the class syntax),
Object.create will set the supplied argument as the [[Prototype]] of the resulting object,
Object.getPrototypeOf and Object.setPrototypeOf (get/set the [[Prototype]] after object creation), and
The standardized accessor (ie. getter/setter) prop...
How to move files from one git repo to another (not a clone), preserving history
...ut to rewrite history, since you wanted to end up with only a (renamed) subset of the files, and this by definition changes the hashes. Since none of the standard commands (e.g. pull) rewrite history, there's no way you could use them to accomplish this.
You could refine the details, of course - so...
How to list all users in a Linux group?
...o works for secondary groups only, it won't list users who have that group set as primary since the primary group is stored as GID (numeric group ID) in the file /etc/passwd.
grep <your_group_name> /etc/group
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Serializing class instance to JSON
...s that the JSON encoder json.dumps() only knows how to serialize a limited set of object types by default, all built-in types. List here: https://docs.python.org/3.3/library/json.html#encoders-and-decoders
One good solution would be to make your class inherit from JSONEncoder and then implement th...
How to replace an entire line in a text file by line number
...oes not seem to work. If you guys have problems with sed and its delimiter setting capabilities you may want to have a look at this: grymoire.com/Unix/Sed.html#uh-2 It says the first character behind the s determines the delimiter. So to change your command to use for example the # it would be like...
Make sure that the controller has a parameterless public constructor error
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PLEASE NOTE when you rebuild your project you may reset your login credentials... before trying to apply this solution please: re-build your project, log yourself out, then in again, only then - refresh your page and observe if the problem persist
– ymz
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