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Open Source Java Profilers [closed]
... Application Profiling using TPTP and here's a tutorial Profiling J2SE 5.0 based applications using Eclipse TPTP.
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How to center text vertically with a large font-awesome icon?
...ems to be setting line-height and vertical-align everything:
See Jsfiddle Demo
CSS:
div {
border: 1px solid #ccc;
display: inline-block;
height: 50px;
margin: 60px;
padding: 10px;
}
#text, #ico {
line-height: 50px;
}
#ico {
vertical-align: middle;
}
...
What is an example of the Liskov Substitution Principle?
...havior.
Imagine you had SetWidth and SetHeight methods on your Rectangle base class; this seems perfectly logical. However if your Rectangle reference pointed to a Square, then SetWidth and SetHeight doesn't make sense because setting one would change the other to match it. In this case Square fai...
Class with Object as a parameter
...of backward-compatibility.)
In general, in a statement such as
class Foo(Base1, Base2):
Foo is being declared as a class inheriting from base classes Base1 and Base2.
object is the mother of all classes in Python. It is a new-style class, so inheriting from object makes Table a new-style class....
:not(:empty) CSS selector is not working?
...e('value', this.value);" & input:not([value=""]):not(:focus):invalid
Demo: http://jsfiddle.net/mhsyfvv9/
input:not([value=""]):not(:focus):invalid{
background-color: tomato;
}
<input
type="email"
value=""
placeholder="valid mail"
onchange="this.setAttribute('value'...
Convert boolean to int in Java
...00 random Boolean values and this method was consistently faster than that based on the ternary operator. It shaved off about 10ms.
– Mapsy
Oct 24 '14 at 13:14
3
...
Python extending with - using super() Python 3 vs Python 2
...(when you subclass one class only), your new class inherits methods of the base class. This includes __init__. So if you don't define it in your class, you will get the one from the base.
Things start being complicated if you introduce multiple inheritance (subclassing more than one class at a time...
How to get a list of repositories apt-get is checking? [closed]
...realised what the GET urls are that it spits out.
Edit: The following awk-based expression could be used to generate a sources.list:
cat /tmp/apt-update.txt | awk '/http/ { gsub("/", " ", $3); gsub("^\s\*$", "main", $3); printf("deb "); if($4 ~ "^[a-z0-9]$") printf("[arch=" $4 "] "); print($2 " "...
User Authentication in ASP.NET Web API
...uld have to secured resources controlled by the system. For example, a database management system might be designed so as to provide certain specified individuals with the ability to retrieve information from a database but not the ability to change data stored in the datbase, while giving other ind...
change type of input field with jQuery
...
A jsFiddle demo of placeholder="Password". The HTML spec and MDN on the placeholder attribute. A JavaScript shim for placeholder.
– Rory O'Kane
Aug 15 '13 at 22:46
...