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What is the difference between C, C99, ANSI C and GNU C?
...ograms according to the C standard, you should type gcc -std=c99 -pedantic-errors. Replace c99 with c11 if your GCC version supports it.
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How do I automatically sort a has_many relationship in Rails?
...in the model?
– Wit
Jun 21 '17 at 8:05
@Wit - you can add .order() to the method chain, like in the last example. Is t...
What is cURL in PHP?
....
You can make HTTP requests without cURL, too, though it requires allow_url_fopen to be enabled in your php.ini file.
// Make a HTTP GET request and print it (requires allow_url_fopen to be enabled)
print file_get_contents('http://www.example.com/');
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Rails 3 - can't install pg gem
...
As stated in your error log you need to pass in the path to the pg_config. Try to install the gem using:
gem install pg -- --with-pg-config= 'PATH_TO_YOUR_PG_CONFIG'
If you are not sure where your pg_config is, and assuming you are on Linux...
How to extract a substring using regex
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edited May 6 '16 at 11:05
holmis83
12.7k33 gold badges5858 silver badges6969 bronze badges
answered J...
Meaning of 'const' last in a function declaration of a class?
...ethod declaration in the above example to the code below you will get some errors.
void Foo()
{
counter++; //this works
std::cout << "Foo" << std::endl;
}
void Foo() const
{
counter++; //this will not compile
std::cout << "F...
How many parameters are too many? [closed]
... You can define as many parameters as you may need, but too many of them will make your routine difficult to understand and maintain.
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What is the 'override' keyword in C++ used for? [duplicate]
...derived2: public base
{
public:
int foo(int x) override { ... } // ERROR
};
In derived2 the compiler will issue an error for "changing the type". Without override, at most the compiler would give a warning for "you are hiding virtual method by same name".
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Is it possible to declare git repository as dependency in android gradle?
... can register a repository as a submodule like this
$ git submodule add my_sub_project_git_url my-sub-project
Then include the project in your settings.gradle file which should look like this
include ':my-app', ':my-sub-project'
Finally, compile the project as a dependency in your application ...
SVN Error - Not a working copy
...e. rm -rf content; svn checkout content).
If you get a not a working copy error, it means that Subversion cannot find a proper .svn directory in there. Check to see if there is an .svn directory in contents
The ideal solution is a fresh checkout, if possible.
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