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General suggestions for debugging in R
...nswered Jul 23 '09 at 3:48
Christopher DuBoisChristopher DuBois
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Calculate the median of a billion numbers
...ld then perform a modified merge, in which it finds the least of all those top-of-a-range values, then tells all the sorting machines what it was, so that they can (a) tell the control machine how many values to "count" below that value, and (b) resume sending their sorted data from that point.
Mor...
Rails: How does the respond_to block work?
...pular (Gmail is one). They are very fast and give the end-user a more desktop-like experience on the web. Of course, this is just one advantage of formatting your data.
The Rails 3 way of writing this would be this:
class PostsController < ApplicationController
# GET /posts
# ...
How do I do base64 encoding on iOS?
...
why the hell answers like this are not on top :( , i spent a lot of time processing all the answers above T__T
– Alsh compiler
Jul 3 '16 at 4:33
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How to get users to read error messages?
...I would argue that people do notice those bright colored strips across the top of a web page indicating, e.g., "you just earned a Good Answer badge." This is not equivalent to the status bar, but it does tell me that the position and background color of an error message are significant factors. Oh, ...
How to print binary tree diagram?
...orithm for this, which handles nicely nodes with different size. It prints top-down using lines.
package alg;
import java.util.ArrayList;
import java.util.List;
/**
* Binary tree printer
*
* @author MightyPork
*/
public class TreePrinter
{
/** Node that can be printed */
public inte...
Real World Example of the Strategy Pattern
...magic. Also the non-static way of holding strategies in strategyContext is top-notch
– Arnab Dutta
Sep 3 at 15:05
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Implementing slicing in __getitem__
...ceive a slice object when the object is sliced. Simply look at the start, stop, and step members of the slice object in order to get the components for the slice.
>>> class C(object):
... def __getitem__(self, val):
... print val
...
>>> c = C()
>>> c[3]
3
>>...
Detect if the app was launched/opened from a push notification
...xcept the app switcher. 1) When the notification center is pulled from the top and overlays the app 2) When the iOS's panel with wifi/BT/etc is pulled from the bottom and overlays the app. In all three cases just the applicationWillResignActive is called and then the applicationDidBecomeActive. So a...
How to Customize a Progress Bar In Android
...ent"
android:paddingLeft="16dp"
android:paddingRight="16dp"
android:paddingTop="16dp"
android:paddingBottom="16dp"
android:orientation="vertical"
tools:context=".MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientati...