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Event system in Python
...even source classes to derive from pydispatch.Dispatcher.
buslane is class-based, supports single- or multiple handlers and facilitates extensive type hints.
Pithikos' Observer/Event is a lightweight design.
Publish-subscribe libraries:
blinker has some nifty features such as automatic disconnecti...
How to find out client ID of component for ajax update/render? Cannot find component with expression
... end result is the same:
Identify the UIComponent that will be the base for searching, by stopping as soon as one of the following conditions is met:
If the search expression begins with the the separator character (called an "absolute" search expression), the base will be the root U...
Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...for you.
That being said, if you are going to attempt to do your own HTTP-based streaming, OkHTTP should handle that scenario; I don't recall how well Volley would handle that scenario. Neither Retrofit nor Picasso are designed for that.
...
CSS3 :unchecked pseudo-class
...ector. See example below for clarification.
input[type="checkbox"] {
/* Base Styles aka unchecked */
font-weight: 300; // Will be overwritten by :checked
font-size: 16px; // Base styling
}
input[type="checkbox"]:not(:checked) {
/* Explicit Unchecked Styles */
border: 1px solid #FF0000; //...
How to run travis-ci locally
...ess and replay those commands to run the same test against an updated code base.
If your repo is private: ssh-keygen -t rsa -b 4096 -C "YOUR EMAIL REGISTERED IN GITHUB" then cat ~/.ssh/id_rsa.pub and click here to add a key
FYI: you can git pull from inside docker to load commits from your dev box...
When to use IComparable Vs. IComparer
...llowing for a class like "Student", it will make sense to have IComparable based on Name.
class Student : IComparable
{
public string Name { get; set; }
public int MathScore { get; set; }
public int EnglishScore { get; set; }
public int TotalScore
{
get
{
...
When can I use a forward declaration?
...omplete type. Therefore, you cannot use the type to declare a member, or a base class, since the compiler would need to know the layout of the type.
Assuming the following forward declaration.
class X;
Here's what you can and cannot do.
What you can do with an incomplete type:
Declare a membe...
Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
...
Just a quick sum up.
<- with data.table is just like base; i.e., no copy is taken until a subassign is done afterwards with <- (such as changing the column names or changing an element such as DT[i,j]<-v). Then it takes a copy of the whole object just like base. That's kn...
Resizing an iframe based on content
I am working on an iGoogle-like application. Content from other applications (on other domains) is shown using iframes.
20...
iOS 7 - Status bar overlaps the view
...>UIStatusBarHidden</key>
<true/>
<key>UIViewControllerBasedStatusBarAppearance</key>
<false/>
In iOS 7 you are expected to design your app with an overlaid transparent status bar in mind. See the new iOS 7 Weather app for example.
...