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Why does appending “” to a String save memory?
I used a variable with a lot of data in it, say String data .
I wanted to use a small part of this string in the following way:
...
XSD: What is the difference between xs:integer and xs:int?
...since XML is character-based, the maximum value of xs:int is the character string "2147483647"; that last bit ain't necessarily so. XSD types are used by plenty of systems, e.g. XQuery databases, where an xs:int value is more likely to be represented in a 32-bit twos-complement field than as a stri...
When is it better to use String.Format vs string concatenation?
...t at all - and this concatenation version doesn't need to parse the format string.
Format strings are great for purposes of localisation etc, but in a case like this concatenation is simpler and works just as well.
With C# 6
String interpolation makes a lot of things simpler to read in C# 6. In t...
How do I use jQuery's form.serialize but exclude empty fields
...ke to have a cleaner search url by removing the empty fields from the querystring when a search is performed.
9 Answers
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Django Template Variables and Javascript
...le of template filter:
// myapp/templatetags/js.py
from django.utils.safestring import mark_safe
from django.template import Library
import json
register = Library()
@register.filter(is_safe=True)
def js(obj):
return mark_safe(json.dumps(obj))
This template filters converts variable to ...
Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
Does javascript use immutable or mutable strings? Do I need a "string builder"?
10 Answers
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Which Radio button in the group is checked?
...Button;
if(r != null && r.Checked) return Int32.Parse((string)r.Tag);
}
return Default;
}
public static bool IsRadioSelected(this RadioButton rb) {
foreach(Control c in rb.Parent.Controls) {
RadioButton r = c as RadioButton;
...
Difference between String replace() and replaceAll()
What's the difference between java.lang.String 's replace() and replaceAll() methods,
other than later uses regex? For simple substitutions like, replace . with / ,
is there any difference?
...
Immutability of Strings in Java
...bject, it's a reference to an object. "Hello" and "Help!" are two distinct String objects. Thus, str points to a string. You can change what it points to, but not that which it points at.
Take this code, for example:
String s1 = "Hello";
String s2 = s1;
// s1 and s2 now point at the same string - "H...
Clearing localStorage in javascript?
...unctions in a similar fashion to objects in that the keys are converted to strings. For example, using undefined as a key like this: localStorage.setItem(undefined, 'example Txt!'), will actuall store it under the key called 'undefined' as you can see when you run the following code. console.log(loc...