Для того, чтобы определить, является ли значение переменной числом или нет, можно использовать встроенную функцию isNaN(). Название isNaN означает «is Not a Number». Соответственно, функция возвращает обратное значение от того, число это или нет, т. е. если значение переменной число, то функция вернет false (ложь), а если не число, то true (истину). Read more»
The syntax of jQuery code how to retrieve radio button items in cycle. For example, you have radio buttons with names, first you need to get them to array. For this case I will do it manually. Read more»
I’m trying to remove all permissions from a list item in SharePoint 2010. There was a lot of permissions because of the “Limited access”. I couldn’t check all items because of the constraint of maximum selected items. This script is 100% compatible with SharePoint 2013 and SharePoint 2016. Read more»
Junior developer created some tools which packed to zip-archive some rendered files. He used for this DotNetZip (Ionic.Zip) library. Everything worked fine until today. But today, when users users tried to open zip-file, they’ve got the error “CRC has failed, the file is corrupt”. Read more»
There’s a control <select> on your page and you want to use it’s value as selected and don’t want to allow user to change it. Unfortunately, there’s no attribute “readonly” for select as for <input> ones. You can use only attribute “disabled”, but in this case its value will not be sent. But there’s a […] Read more»
There’s an equivalent in jQuery to PHP function print_r($array). It’s good when you want to see an associative array. Especially, if you get it via some function. Read more»
Useful snippet for debugging javascript. It prints out key-value pairs of associative array. In PHP your have function print_r($array), but in Javascript you still have to make your own function. Read more»
If you want to apply the same action for multiple selectors in jQuery, you should write down their identificators separated by comma. It can be as simple ID of elements, their classes or something more difficult. Read more»
There are at least 3 ways to find out if the column in table exists in MS SQL server. It’s a common task for developers or administrators when you need to modify table. Read more»
You can get list of available NuGet packages for Visual Studio using Package Manager Console (in VS – Tools / NuGet Package Manager / Package Manager Console). Read more»
