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NSObject +load and +initialize - What do they do?
...ed for you by the Objective-C runtime, but that's really all that is clear from the documentation of those methods. :-)
2 A...
Set transparent background of an imageview on Android
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If you add any number from 01 to 99 before the actual hash code, it will give you the transparency. Eg: Black with more transparency - #10000000 Black with less transparency - #99000000
– AnhSirk Dasarp
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Django template how to look up a dictionary value with a variable
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Write a custom template filter:
from django.template.defaulttags import register
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@register.filter
def get_item(dictionary, key):
return dictionary.get(key)
(I use .get so that if the key is absent, it returns none. If you do dictionary[key] it will...
How to convert latitude or longitude to meters?
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For approximating short distances between two coordinates I used formulas from
http://en.wikipedia.org/wiki/Lat-lon:
m_per_deg_lat = 111132.954 - 559.822 * cos( 2 * latMid ) + 1.175 * cos( 4 * latMid);
m_per_deg_lon = 111132.954 * cos ( latMid );
.
In the code below I've left the raw numbers ...
Using boolean values in C
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From best to worse:
Option 1 (C99)
#include <stdbool.h>
Option 2
typedef enum { false, true } bool;
Option 3
typedef int bool;
enum { false, true };
Option 4
typedef int bool;
#define true 1
#define false 0
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SSO with CAS or OAuth?
...ites (including SO) for authentication, without actually using any service from the OAuth provider.
– Amir Ali Akbari
Oct 24 '13 at 10:40
1
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Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?
... including array syntax was necessary. In addition, nothing stops compiler from issuing warnings even on single dimensional arrays.
– user694733
Mar 28 '14 at 8:20
7
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Standard Android menu icons, for example refresh [closed]
... standard icons, such as ic_menu_refresh (the refresh icon), are missing from android.R .
5 Answers
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Convert Bitmap to File
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Will the file from the cache directory will be deleted automatically?
– Shajeel Afzal
Aug 1 '15 at 9:40
1
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Java, Classpath, Classloading => Multiple Versions of the same jar/project
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@deckingraj: after some googling i found this from oracle docs: "In the delegation design, a class loader delegates classloading to its parent before attempting to load a class itself. [...] If the parent class loader cannot load a class, the class loader attempts to loa...