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Constructors vs Factory Methods [closed]
...e for different IStudent objects.
So - for simple classes (value objects, etc.) constructor is just fine (you don't want to overengineer your application) but for complex class hierarchies factory method is a preferred way.
This way you follow the first design principle from the gang of four book...
...t; - is for Page directives, registering assemblies, importing namespaces, etc.
<%= %> - is short-hand for Response.Write (discussed here)
<%# %> - is used for data binding expressions.
<%: %> - is short-hand for Response.Write(Server.HTMLEncode()) ASP.net 4.0+
<%#: %> - is u...
Should all Python classes extend object?
... double-underscore methods, descriptors, super() method, property() method etc.
Example 1.
class MyClass:
pass
Example 2.
class MyClass():
pass
Example 3.
class MyClass(object):
pass
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Select all DIV text with single mouse click
...problem with that is that it selects the Node itself including the DIV tag etc.
To select the Node's text as per the OP question you need to call instead:
range.selectNodeContents( ... )
So the full snippet would be:
function selectText( containerid ) {
var node = document.getE...
Replace words in the body text
...hout the body, including any instances in your HTML code (e.g. class names etc..), so use with caution - for better results, try restricting the scope of your replacement by targeting your code using document.getElementById or similar.
To replace all instances of the target string, use a simple reg...
Convert a JSON string to object in Java ME?
...tation of the work in the site, so it has exactly the same class - methods etc in this page.
If you click the html links there you can find anything you want.
In short:
to create a json object and a json array, the code is:
JSONObject obj = new JSONObject();
obj.put("variable1", o1);
obj.put...
The most accurate way to check JS object's type?
...g BOTH the native Object or DataType name (such as String, Date, Number, ..etc) AND the REAL type of an object (even custom ones); is by grabbing the name property of the object prototype's constructor:
Native Type Ex1:
var string1 = "Test";
console.log(string1.__proto__.constructor.name);
displ...
How to check whether a given string is valid JSON in Java
...es (and stores) the whole json. It converts numbers to Integer/Long/Double etc. This is more than just syntax check, it stores whole json in the memory. This might be significant for intensive loads. If better solution for syntax check exists?
– Oleg Vazhnev
De...
Can you have multiline HTML5 placeholder text in a ?
...g. The downside of this is that other browsers than chrome, safari, webkit-etc. don't even show the first line:
<textarea id="text2" placeholder="." rows="10"></textarea>
then add the rest of the line by css:
#text2::-webkit-input-placeholder{
color:transparent;
}
#text2::-we...
.NET - How can you split a “caps” delimited string into an array?
...se feel free to insert the .substring(), .trimstart(), .trim(), .remove(), etc. of your choice. :)
– Pseudo Masochist
Oct 3 '08 at 22:40
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