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GetHashCode Guidelines in C#
... this class (naive implementation):
public class SomeThing
{
public string Name {get; set;}
public override GetHashCode()
{
return Name.GetHashcode();
}
public override Equals(object other)
{
SomeThing = other as Something;
if( o...
How to play a local video with Swift?
...e provided solution did not work for me.
private func playVideo(from file:String) {
let file = file.components(separatedBy: ".")
guard let path = Bundle.main.path(forResource: file[0], ofType:file[1]) else {
debugPrint( "\(file.joined(separator: ".")) not found")
return
...
AngularJS: How can I pass variables between controllers?
... if you bind to an object's property instead of a primitive type (boolean, string, number) to retain the bound reference.
Example: var property = { Property1: 'First' }; instead of var property = 'First';.
UPDATE: To (hopefully) make things more clear here is a fiddle that shows an example of:
...
Django - Circular model import issue
...
Remove the import of Theme and use the model name as a string instead.
theme = models.ForeignKey('themes.Theme')
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Can't operator == be applied to generic types in C#?
...ase share.
namespace TestProject
{
class Program
{
static void Main(string[] args)
{
Test a = new Test();
Test b = new Test();
Console.WriteLine("Inline:");
bool x = a == b;
Console.WriteLine("Generic:");
Compare<Test>(a, b);
}
...
How to parse a CSV file in Bash?
...
We can parse csv files with quoted strings and delimited by say | with following code
while read -r line
do
field1=$(echo $line | awk -F'|' '{printf "%s", $1}' | tr -d '"')
field2=$(echo $line | awk -F'|' '{printf "%s", $2}' | tr -d '"')
echo $fi...
Why is “using namespace std;” considered bad practice?
...tons of identifiers, many of which are very common ones (think list, sort, string, iterator, etc.) which are very likely to appear in other code, too.
If you consider this unlikely: There was a question asked here on Stack Overflow where pretty much exactly this happened (wrong function called due ...
How exactly does the android:onClick XML attribute differ from setOnClickListener?
...+ "be used within a restricted context");
}
final String handlerName = a.getString(attr);
if (handlerName != null) {
setOnClickListener(new OnClickListener() {
private Method mHandler;
public void onClick(V...
How do I concatenate or merge arrays in Swift?
...
If you're merging more than 2 arrays (or strings or whatever else), restrain yorself from using the + operator, it generates absolutely insane compile times.
– lawicko
Oct 21 '19 at 8:10
...
How does a hash table work?
...s that computers (and their algorithms) deal with numbers better than with strings. So accessing a large array using an index is significantly much faster than accessing sequentially.
As Simon has mentioned which I believe to be very important is that the hashing part is to transform a large space...