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How to manually deprecate members
...le(*, deprecated)
func myFunc() {
// ...
}
Where * is the platform (iOS, iOSApplicationExtension, macOS, watchOS, tvOS, * for all, etc.).
You can also specify the version of the platform from which it was introduced, deprecated, obsoleted, renamed, and a message :
@available(iOS, deprecated...
How do I do base64 encoding on iOS?
...case for Objective C categories.
For Base64 encoding:
#import <Foundation/NSString.h>
@interface NSString (NSStringAdditions)
+ (NSString *) base64StringFromData:(NSData *)data length:(int)length;
@end
-------------------------------------------
#import "NSStringAdditions.h"
static cha...
Javascript dynamically invoke object method from string
...mit = $(this).attr('data-before-submit');
if( beforeSubmit ){
params = beforeSubmit.split(".");
objectName = params[0];
methodName = params[1];
result = window[objectName][methodName]($(this));
if( result !== true ){
e.preventDefault();
}
...
How can a time function exist in functional programming?
I've to admit that I don't know much about functional programming. I read about it from here and there, and so came to know that in functional programming, a function returns the same output, for same input, no matter how many times the function is called. It's exactly like a mathematical function w...
How to calculate an angle from three points? [closed]
...e (in radians) between two vectors pointing outward from one center
*
* @param p0 first point
* @param p1 second point
* @param c center point
*/
function find_angle(p0,p1,c) {
var p0c = Math.sqrt(Math.pow(c.x-p0.x,2)+
Math.pow(c.y-p0.y,2)); // p0->c (b)
va...
Pure JavaScript Send POST Data Without a Form
...
someStuff = 'param1=val1&param2=val2&param3=val3'
– Camel
Jun 11 '17 at 9:10
1
...
Java URL encoding of query string parameters
.... You only need to keep in mind to encode only the individual query string parameter name and/or value, not the entire URL, for sure not the query string parameter separator character & nor the parameter name-value separator character =.
String q = "random word £500 bank $";
String url = "https...
How to get an MD5 checksum in PowerShell
...eProvider
$hash = [System.BitConverter]::ToString($md5.ComputeHash([System.IO.File]::ReadAllBytes($someFilePath)))
Starting in PowerShell version 4, this is easy to do for files out of the box with the Get-FileHash cmdlet:
Get-FileHash <filepath> -Algorithm MD5
This is certainly prefera...
@import vs #import - iOS 7
I am playing around with some of the new iOS 7 features and working with some of the Image Effects as discussed in the WWDC video "Implementing Engaging UI on iOS". For producing a blur effect within the source code for the session, UIImage was extended via a category which imports UIKit like so:
...
iOS Detection of Screenshot?
...//tumblr.jeremyjohnstone.com/post/38503925370/how-to-detect-screenshots-on-ios-like-snapchat
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