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convert UIImage to NSData
...{
UIImage *snapshot = self.myImageView.image;
[self encodeImageToBase64String:snapshot];
}
call this method for image convert in base 64
-(NSString *)encodeImageToBase64String:(UIImage *)image
{
return [UIImagePNGRepresentation(image) base64EncodedStringWithOptions:N...
How to center a button within a div?
...an active answer, however Flexbox would be the correct approach now.
Live Demo
Vertical and horizontal alignment.
#wrapper {
display: flex;
align-items: center;
justify-content: center;
}
Just horizontal (as long as the main flex axis is horizontal which is default)
#wrapper {
display:...
super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh
...
I have the same issue, but my base class is declared like class B(object):. I'm getting this error due to using @mock.patch('module.B', autospec=B) just before my test case. Any thoughts on how to fix this?
– MikeyE
...
Jquery If radio button is checked
...="radio" id="postageno" name="postage" value="No" />No
JS Fiddle demo.
And, further, a mild update (since I was editing to include Snippets as well as the JS Fiddle links), in order to wrap the <input /> elements with <label>s - allow for clicking the text to update the releva...
Where can I find Android source code online? [closed]
...or AOSP: cs.android.com. There's also the
Android official source browser (based on Gitiles) has a web view of many of the different parts that make up android. Some of the projects (such as Kernel) have been removed and it now only points you to clonable git repositories.
To get all the code loca...
I need to securely store a username and password in Python, what are my options?
...s
from pbkdf2 import PBKDF2
from Crypto.Cipher import AES
import os
import base64
import pickle
### Settings ###
saltSeed = 'mkhgts465wef4fwtdd' # MAKE THIS YOUR OWN RANDOM STRING
PASSPHRASE_FILE = './secret.p'
SECRETSDB_FILE = './secrets'
PASSPHRASE_SIZE = 64 # 512-bit passphrase
KEY_SIZE = 32 ...
Convert a series of parent-child relationships into a hierarchical tree?
...re, that means internally no recursion function calls are done.
The event based ListDecorator allows you to modify the output specifically and to provide multiple type of lists for the same data structure. It's even possible to change the input as the array data has been encapsulated into TreeNode....
List of Delphi language features and version in which they were introduced/deprecated
...form (but without additional text for deprecated)
Variant is no longer based on COM but changed to be CLX compatible, COM based variant renamed to OLEVariant
Typed constants cannot be assigned to (Override with {$J+})
Enumerated types can be assigned an explicit value (cf C++);
Interface pr...
iOS 8 removed “minimal-ui” viewport property, are there other “soft fullscreen” solutions?
...g calc() and known iOS address bar height to our advantage:
The following demo page (also available on gist, more technical details there) will prompt user to scroll, which then triggers a soft-fullscreen (hide address bar/menu), where header and content fills the new viewport.
<!doctype html&g...
Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps?
I'd like to have iOS to open URLs from my domain (e.g. http://martijnthe.nl ) with my app whenever the app is installed on the phone, and with Mobile Safari in case it is not.
...