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Simple explanation of clojure protocols
...'s a purely pragmatic reason, and it is why I used the word "efficient" in my introductory sentence: performance.
Clojure is a hosted language. I.e. it is specifically designed to be run on top of another language's platform. And it turns out that pretty much any platform that you would like Clojur...
Capture Image from Camera and Display in Activity
...port android.widget.Button;
import android.widget.ImageView;
public class MyCameraActivity extends Activity
{
private static final int CAMERA_REQUEST = 1888;
private ImageView imageView;
private static final int MY_CAMERA_PERMISSION_CODE = 100;
@Override
public void onCreate(B...
How do I copy a string to the clipboard on Windows using Python?
...
all my apps get unresponsive after pasting the contents of the clipboard with this function, strangely, getting the result works fine.
– Bartlomiej Lewandowski
Feb 2 '13 at 20:53
...
Repository Pattern vs DAL
...vices and the database it will take you down another.
The repository from my perspective is just a clearly specified layer of access to data.Or in other words a standardized way to implement your Data Access Layer. There are some differences between different repository implementations, but the con...
Simple Digit Recognition OCR in OpenCV-Python
...
Well, I decided to workout myself on my question to solve above problem. What I wanted is to implement a simpl OCR using KNearest or SVM features in OpenCV. And below is what I did and how. ( it is just for learning how to use KNearest for simple OCR p...
How and when to use ‘async’ and ‘await’
From my understanding one of the main things that async and await do is to make code easy to write and read - but is using them equal to spawning background threads to perform long duration logic?
...
How can I get the application's path in a .NET console application?
...hough extremely few Windows programs use this quirk (I am not aware of any myself)". So it is possible to 'spoof' GetCommandLineArgs, but we are talking about a console application. Console apps are usually quick and dirty. So this fits in with my KISS philosophy.
...
How to get multiple counts with one SQL query?
...y which works for sure
SELECT a.distributor_id,
(SELECT COUNT(*) FROM myTable WHERE level='personal' and distributor_id = a.distributor_id) as PersonalCount,
(SELECT COUNT(*) FROM myTable WHERE level='exec' and distributor_id = a.distributor_id) as ExecCount,
(SELECT COUNT(*) FROM myTab...
HTML character decoding in Objective-C / Cocoa Touch
...
Check out my NSString category for HTML. Here are the methods available:
- (NSString *)stringByConvertingHTMLToPlainText;
- (NSString *)stringByDecodingHTMLEntities;
- (NSString *)stringByEncodingHTMLEntities;
- (NSString *)stringWith...
Browse and display files in a git repo without cloning
...ion control system. They work differently; get used to that. Please read my answer explaining the consequences of that difference to git equivalent of svn status -u question at StackOverflow.
Repeating myself a bit: in centralized version control system (like CVS or Subversion) almost all command...