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Angular.js ng-repeat across multiple tr's
...ckout.js when iterating over an array of these rows, because I could use <!-- ko:foreach --> around both tr elements.
...
How to declare an ArrayList with values? [duplicate]
...create a new object using the constructor that accepts a Collection:
List<String> x = new ArrayList<>(Arrays.asList("xyz", "abc"));
Tip: The docs contains very useful information that usually contains the answer you're looking for. For example, here are the constructors of the Array...
Null or default comparison of generic argument in C#
...ng, the best way to compare generics for equality is with EqualityComparer<T>.Default. This respects IEquatable<T> (without boxing) as well as object.Equals, and handles all the Nullable<T> "lifted" nuances. Hence:
if(EqualityComparer<T>.Default.Equals(obj, default(T))) {
...
How to convert a number to string and vice versa in C++
...s of the C++11 standard, string-to-number conversion and vice-versa are built in into the standard library. All the following functions are present in <string> (as per paragraph 21.5).
string to numeric
float stof(const string& str, size_t *idx = 0);
double stod(...
Delegates: Predicate vs. Action vs. Func
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Predicate: essentially Func<T, bool>; asks the question "does the specified argument satisfy the condition represented by the delegate?" Used in things like List.FindAll.
Action: Perform an action given the arguments. Very general purpose. Not use...
Is there any reason to use a synchronous XMLHttpRequest?
...ers provided for 2 threads for making requests. I wrote a connection pool script to utilize both, because even with async request, with one connection, you could tie the browser up. Making use of both allows for more data to be pushed/pulled through the line; but iirc, I think the sync requests st...
Efficiency of Java “Double Brace Initialization”?
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Just for reference, double brace initialization is the following:
List<String> list = new ArrayList<String>() {{
add("Hello");
add("World!");
}};
It looks like a "hidden" feature of Java, but it is just a rewrite of:
List<String> list = new ArrayList<String>() ...
Dictionary returning a default value if the key does not exist [duplicate]
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TryGetValue will already assign the default value for the type to the dictionary, so you can just use:
dictionary.TryGetValue(key, out value);
and just ignore the return value. However, that really will just return default(TValue), not some custom default value (...
How to change the ROOT application?
I'm trying to change the default application of a Tomcat 6 webserver to a different application than "ROOT" (inside webapps folder). What is the best way to do this?
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What is the difference between 'typedef' and 'using' in C++11?
...nt
// C++20 (range-based for loop initialization statements).
std::vector<int> v{1, 2, 3};
for(typedef int Foo; Foo f : v) { (void)f; }
// ^^^^^^^^^^^^^^^ init-statement
whereas an alias-declaration is not an init-statement, and may thus not be used in contexts which allows initialization s...