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Git Alias - Multiple Commands and Parameters
...!git checkout $1 && git status
almost works, but gives a spurious extra insertion of the argument ...
git chs demo -> git checkout demo && git status demo
But if you add && : to the end of your alias, then the spurious argument is consumed into a location tag.
So
[al...
Best way to make Django's login_required the default
...,
)
Note that view functions are named and imported directly, not as strings.
Also note that this works with any callable view object, including classes.
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Purpose of Python's __repr__
... be a representation readable for the Python interpreter (i.e. feeding the string to the interpreter should recreate the object). If an object does not have a __str__ method, however, __repr__ is used instead. Also as noted: this example actually prints the __str__ method of self.x and self.y: %r sh...
How to sort an array in descending order in Ruby
...
Super useful. Thanks for the extra effort.
– Joshua Pinter
Jan 25 '12 at 23:36
8
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How do I PHP-unserialize a jQuery-serialized form?
...type.
The serialize method just takes the form elements and puts them in string form. "varname=val&var2=val2"
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How to call a stored procedure from Java and JPA
... argumentValues);
DatabaseRecord record = (DatabaseRecord) results.get(0);
String result = String.valueOf(record.get("o_output_1")); // Get output parameter
Using EclipseLink-2.5.0/JPA-2.1: Implementation-Independent (documented already in this thread)
This method is implementation independent (d...
Has anyone ever got a remote JMX JConsole to work?
...e ports for RMI, and those are probably blocked by a firewall.
One of the extra ports will not be know up front if you use the default RMI configuration, so you have to open up a big range of ports - which might not amuse the server administrator.
There is a solution that does not require opening ...
What does a colon following a C++ constructor name do? [duplicate]
...or base/member initializer list
class MyClass {
public :
MyClass(std::string& arg) {
member_ = arg;
}
std::string& member_;
};
The only correct way is:
class MyClass {
public :
MyClass(std::string& arg)
: member_(arg)
{
}
std::string&...
What is the best way to create constants in Objective-C
...declare them as static const at the top of the .m file, like so:
static NSString *const MyThingNotificationKey = @"MyThingNotificationKey";
If they pertain to a single class but should be public/used by other classes, declare them as extern in the header and define them in the .m:
//.h
extern NS...
Collections.emptyMap() vs new HashMap()
...e this, and does not allow null references:
public ResultSet executeQuery(String query, Map<String, Object> queryParameters);
If you have a query that doesn't take any parameters, it's certainly a bit wasteful to create a HashMap, which involves allocating an array, when you could just pass...