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Checking if a field contains a string
...ator, which allows me to check, if the value of a field contains a certain string.
10 Answers
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How to remove item from array by value? [duplicate]
...n my application and its purpose. It saves me thinking time so that I have extra time to make the application better and not worrying about the small functions that makeup my application. Someone already invented the wheel, why would someone remake it every time they build a car?
...
How do I dynamically assign properties to an object in TypeScript?
...n interface could be defined as follows.
interface LooseObject {
[key: string]: any
}
var obj: LooseObject = {};
OR to make it compact:
var obj: {[k: string]: any} = {};
LooseObject can accept fields with any string as key and any type as value.
obj.prop = "value";
obj.prop2 = 88;
The real e...
Add Text on Image using PIL
...55,255),font=font)
img.save('sample-out.jpg')
You might need to put some extra effort to calculate font size. In case you want to change it based on amount of text user has provided in TextArea.
To add text wrapping (Multiline thing) just take a rough idea of how many characters can come in one l...
Is it good practice to use java.lang.String.intern()?
The Javadoc about String.intern() doesn't give much detail. (In a nutshell: It returns a canonical representation of the string, allowing interned strings to be compared using == )
...
Boolean vs boolean in Java
... Booleans, conditional operators and autoboxing):
public static void main(String[] args) throws Exception {
Boolean b = true ? returnsNull() : false; // NPE on this line.
System.out.println(b);
}
public static Boolean returnsNull() {
return null;
}
Use Boolean when you need an object, e...
Difference between getAttribute() and getParameter()
...erver. For example http://example.com/servlet?parameter=1. Can only return String
getAttribute() is for server-side usage only - you fill the request with attributes that you can use within the same request. For example - you set an attribute in a servlet, and read it from a JSP. Can be used for any...
What's the difference between SoftReference and WeakReference in Java?
...ort java.util.HashMap;
public class Test {
public static void main(String args[]) {
HashMap<Employee, EmployeeVal> aMap = new
HashMap<Employee, EmployeeVal>();
Employee emp = new Employee("Vinoth");
EmployeeVal val = new EmployeeVa...
AngularJS : The correct way of binding to a service properties
...Timer.data in a $watch, Timer has to be defined on the $scope, because the string expression you pass to $watch is evaluated against the scope. Here is a plunker that shows how to make that work. The objectEquality parameter is documented here -- 3rd parameter -- but not really explained too well....
Passing a dictionary to a function as keyword parameters
...3]: mydict = {'a': 100, 'b': 200}
In[4]: myfunc(**mydict)
100 200
A few extra details that might be helpful to know (questions I had after reading this and went and tested):
The function can have parameters that are not included in the dictionary
You can not override a parameter that is already...