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How to “EXPIRE” the “HSET” child key in redis?
...those keys to fall in the same hash slot. You can read more about it here: https://redis.io/topics/cluster-tutorial
Now if we want to do the same operation of hashes, we could do:
HDEL hash_top_key child_key_1 => DEL {hash_top_key}child_key_1
HGET hash_top_key child_key_1 => GET {hash_top_k...
Is there a shortcut to make a block comment in Xcode?
...de 8 you can do:
⌥ + ⌘ + /
to auto-generate a doc comment.
Source: https://twitter.com/felix_schwarz/status/774166330161233920
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Android draw a Horizontal line between views
...es {
compile 'com.android.support:support-v4:22.1.+'
}
Documentation https://developer.android.com/reference/android/support/v4/widget/Space.html
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How can one display images side by side in a GitHub README.md?
...olarized Ocean
:-------------------------:|:-------------------------:
 | 
This creates a table with Solarized Dark and Ocean as headers and then contains the images in the first row. Obviously you would replace the ... with the real link. The :s ...
Jquery live() vs delegate() [duplicate]
...t turns around and calls .live(), but passes the extra context parameter.
https://github.com/jquery/jquery/blob/master/src/event.js#L948-950
As such, I'd always use .delegate(). If you really need for it to process all events on the page, then just give it the body as the context.
$(document.body...
Send email using java
...end needs to reduce their own
security
Google had released Gmail API - https://developers.google.com/gmail/api/?hl=en. We should use oAuth2 method, instead of username + password.
Here's the code snippet to work with Gmail API.
GoogleMail.java
import com.google.api.client.util.Base64;
import ...
Extending the User model with custom fields in Django
...rs
Update: Please note that AUTH_PROFILE_MODULE is deprecated since v1.5: https://docs.djangoproject.com/en/1.5/ref/settings/#auth-profile-module
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How to compare UIColors?
...
#import "UIColor-Expanded.h"
//https://github.com/thetaplab/uicolor-utilities
//RGB distance
CGFloat distance = sqrtf(powf((clr0.red - clr1.red), 2) + powf((clr0.green - clr1.green), 2) + powf((clr0.blue - clr1.blue), 2) );
if(distance<=minDistance){
....
How to delete a file via PHP?
...ed myself. Enjoy!
/**
* Unlink a file, which handles symlinks.
* @see https://github.com/luyadev/luya/blob/master/core/helpers/FileHelper.php
* @param string $filename The file path to the file to delete.
* @return boolean Whether the file has been removed or not.
*/
function unlinkFile ( $f...
Is it wrong to place the tag after the tag?
...t;<link rel="stylesheet" href="small.css"></noscript>
See: https://developers.google.com/speed/docs/insights/OptimizeCSSDelivery
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