我有一些输入的HTML元素,我想验证它们是否已填满。基本上,它们是强制性的。我正在做这样的事情:
var displayNames new Array();
displayNames[0] = "Name";
displayNames[1] = "Address";
displayNames[2] = "Age";
function validForm() {
var Name = document.getElementById(txtName).value;
if(!Name) {
@angular/forms: 6.1.7
我正在尝试创建一个自定义验证器,用于检查2formControl的不一致。
在遵循时,当向以下两种表单之一输入值时,会出现一个错误:
Uncaught Error: Expected validator to return Promise or Observable.
at toObservable (forms.js:596)
at Array.map (<anonymous>)
at FormControl.asyncValidator (forms.js:584)
at FormControl.pus
在我的模型中,我定义了一个大小为15的列。
column: { type: Sequelize.STRING(15), allowNull: false }
输入字符串是28个字符,我想知道如何sequelize.js自动截断字符串,以便只剩下15个字符。
目前,我得到以下错误:
Unhandled rejection SequelizeDatabaseError: String or binary data would be truncated.
我是新的反应-本机,我正面临上述错误在我的代码。
我面临的错误是:
TypeError:未定义不是对象(计算'name.length')
此错误位于:
in ProductCard (created by ProductList)
in RCTView (created by View)
in View (created by ProductList)
in RCTView (created by View)
in View (created by AnimatedComponent)
in AnimatedComponent
in AnimatedComponentWrapp
var client = BitPay.createClient('apikey');
我得到了:
assert.js:92 throw new assert.AssertionError({
AssertionError: Not enough entropy. Minimum is: 192 bits
at new HmacDRBG (/home/enigma/WebstormProjects/expensereports/node_modules/bitpay/node_modules/bitauth/node_modules/elliptic/lib/ellipti