...: 'int' object is not iterable In [2]: 从上面可以看到错误提示TypeError: 'int' object is not iterable,提示int并不是迭代类型...[15]: isinstance(100,Iterable) Out[15]: False In [16]: 从上面的执行来看,list、dict、string等都是Iterable对象类型,而m...
Using NPMnpm i @fr0st/datetime In Node.js:import DateTime from '@fr0st/datetime';Date CreationdateString is a string representing the date, and will default to the current timestamp. options is an object containing options for creating the new date. timeZone is a string representing the...
-> JSPropertyNameArrayRef! func JSObjectDeleteProperty(JSContextRef!, JSObjectRef!, JSStringRef!, UnsafeMutablePointer<JSValueRef?>!) -> Bool func JSObjectGetPrivate(JSObjectRef!) -> UnsafeMutableRawPointer! func JSObjectGetProperty(JSContextRef!, JSObjectRef!, JSStringRef!, UnsafeMutable...
func JSValueMakeSymbol(JSContextRef!, JSStringRef!) -> JSValueRef! Converting to Primitive Values func JSValueToBoolean(JSContextRef!, JSValueRef!) -> Bool func JSValueToNumber(JSContextRef!, JSValueRef!, UnsafeMutablePointer<JSValueRef?>!) -> Double ...
{ val map: MutableMap<String, JsonElement> = mutableMapOf() this.forEach { (key, value) -> key as String when (value) { null -> map[key] = JsonNull is Map<*, *> -> map[key] = value.toJsonElement() is Collection<*> -> map[key] = value.toJsonElement() is Boolean -> ...
index.js const element = document.getElementById('first_name'); // 👇️ returns empty string console.log(element.getAttribute('disabled')); // ❌ DON'T DO THIS if (element.getAttribute('disabled')) { console.log('✅ element is disabled'); } else { console.log('⛔️ element...
js javascript is-arguments is object ljharb •1.2.0•3 months ago•812dependents•MITpublished version1.2.0,3 months ago812dependentslicensed under $MIT 111,340,816 is-number Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, ...
It provides string as a data type to declare a variable of type String. pragma solidity ^0.5.0; contract SolidityTest { string data = "test"; } Here in the above example, “test” is a string literal, and data is a string variable. Solidity provides inbuilt conversion between bytes...
Another function in the console family of functions is the console.timeLog function. It also takes the string label passed to console.time as its first argument and any number of additional arguments. It logs the duration that has elapsed along with the additional arguments.Unlike console.timeEnd...
node.js buffer A Buffer is a chunk of memory, just like you would have it in C/C++. You can interpret this memory as an array of integer or floating point numbers of various lengths, or as a binary string. Unlike higher-level data structures like arrays, a buffer is not resizable. ...