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Are members of a C++ struct initialized to 0 by default?
...e to add proper initalization to those constructors
struct Snapshot {
int x;
double y;
Snapshot():x(0),y(0) { }
// other ctors / functions...
};
Will initialize both x and y to 0. Note that you can use x(), y() to initialize them disregarding of their type: That's then value initi...
How to store arrays in MySQL?
...s and JOIN them in your queries.
For example:
CREATE TABLE person (
`id` INT NOT NULL PRIMARY KEY,
`name` VARCHAR(50)
);
CREATE TABLE fruits (
`fruit_name` VARCHAR(20) NOT NULL PRIMARY KEY,
`color` VARCHAR(20),
`price` INT
);
CREATE TABLE person_fruit (
`person_id` INT NOT NULL,
`fruit_name` VAR...
Test parameterization in xUnit.net similar to NUnit
...ing the specified value as argument.
Data theories are an extensibility point that you can use to create new ways to run your parameterized tests. The way this is done is by creating new attributes that inspect and optionally act upon the arguments and return value of the test methods.
You can fin...
How do I have an enum bound combobox with custom string formatting for enum values?
...
You could write an TypeConverter that reads specified attributes to look them up in your resources. Thus you would get multi-language support for display names without much hassle.
Look into the TypeConverter's ConvertFrom/ConvertTo methods, and u...
Is there an expression for an infinite generator?
...
for x in iter(int, 1): pass
Two-argument iter = zero-argument callable + sentinel value
int() always returns 0
Therefore, iter(int, 1) is an infinite iterator. There are obviously a huge number of variations on this particular theme (...
HashSet vs LinkedHashSet
... the LinkedHashSet uses to construct the base class:
public LinkedHashSet(int initialCapacity, float loadFactor) {
super(initialCapacity, loadFactor, true); // <-- boolean dummy argument
}
...
public LinkedHashSet(int initialCapacity) {
super(initialCapacity, .75f, true); ...
Pros and Cons of Interface constants [closed]
PHP interfaces allow the definition of constants in an interface, e.g.
2 Answers
2
...
How to create P12 certificate for iOS distribution
...downloaded them. I was following instructions here on Stack Overflow to convert it to PEM and then to P12 files, but I'm stuck. When I then attempt to convert the PEM to P12, it wants a private key of some sort, and I don't know where to get it.
...
Tricky Google interview question
A friend of mine is interviewing for a job. One of the interview questions got me thinking, just wanted some feedback.
21 A...
How to pass parameters to anonymous class?
...ning class(es) or local variables that are marked final.
edit: As Peter pointed out, you can also pass parameters to the constructor of the superclass of the anonymous class.
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