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How to check if a variable is not null?
... are the following (a.k.a. falsy values):
null
undefined
0
"" (the empty string)
false
NaN
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How to perform runtime type checking in Dart?
...ype get runtimeType;
}
Usage:
Object o = 'foo';
assert(o.runtimeType == String);
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How to display string that contains HTML in twig template?
How can I display a string that contains HTML tags in twig template?
4 Answers
4
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How to get a function name as a string?
In Python, how do I get a function name as a string, without calling the function?
12 Answers
...
Sort a Custom Class List
...lic int id { get; set; }
public int regnumber { get; set; }
public string date { get; set; }
public int CompareTo(cTag other) {
return date.CompareTo(other.date);
}
}
However, this wouldn't sort well, because this would use classic sorting on strings (since you declared dat...
How do I use IValidatableObject?
...upedByMembers)
{
ModelState.AddModelError(
member.Key,
string.Join(". ", member.Select(m => m.Error)));
}
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Reading HTML content from a UIWebView
...
The second question is actually easier to answer. Look at the stringWithContentsOfURL:encoding:error: method of NSString - it lets you pass in a URL as an instance of NSURL (which can easily be instantiated from NSString) and returns a string with the complete contents of the page at th...
How to compare arrays in JavaScript?
...als([1, 2, 1, 2]) === true;
You may say "But it is much faster to compare strings - no loops..." well, then you should note there ARE loops. First recursive loop that converts Array to string and second, that compares two strings. So this method is faster than use of string.
I believe that larger a...
Dynamically load JS inside JS [duplicate]
...ersion used to create this:
class cScriptLoader {
private m_js_files: string[];
private m_css_files: string[];
private m_head:HTMLHeadElement;
private log = (t:any) =>
{
console.log("ScriptLoader: " + t);
}
constructor(files: string[]) {
this.m_js_f...
JUnit 4 compare Sets
...es the Set equals() method.
public class SimpleTest {
private Set<String> setA;
private Set<String> setB;
@Before
public void setUp() {
setA = new HashSet<String>();
setA.add("Testing...");
setB = new HashSet<String>();
setB....