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Add swipe to delete UITableViewCell
I am making a CheckList application with a UITableView . I was wondering how to add a swipe to delete a UITableViewCell .
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How to get screen dimensions as pixels in Android
...Therefore I need to get the screen width and screen height and then set position:
40 Answers
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How to decide font color in white or black depending on background color?
...he hex code into 3 pieces to get the individual red, green, and blue intensities. Each 2 digits of the code represent a value in hexadecimal (base-16) notation. I won't get into the details of the conversion here, they're easy to look up.
Once you have the intensities for the individual colors, you...
Advantages of using display:inline-block vs float:left in CSS
... is that in IE7 and below an element can only be displayed inline-block if it was already inline by default. What this means is that instead of using a <div> element you have to use a <span> element. It's not really a huge drawback at all because semantically a <div> is for dividi...
Identify user in a Bash script called by sudo
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$SUDO_USER doesn't work if you are using sudo su -.
It also requires multiple checks - if $USER == 'root' then get $SUDO_USER.
Instead of the command whoami use who am i. This runs the who command filtered for the current session. It gives you more info than you need. So, ...
How to stretch div height to fill parent div - CSS
I have a page with divs like below
8 Answers
8
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Save bitmap to location
I am working on a function to download an image from a web server, display it on the screen, and if the user wishes to keep the image, save it on the SD card in a certain folder. Is there an easy way to take a bitmap and just save it to the SD card in a folder of my choice?
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How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
The NSObject method performSelector:withObject:afterDelay: allows me to invoke a method on the object with an object argument after a certain time. It cannot be used for methods with a non-object argument (e.g. ints, floats, structs, non-object pointers, etc.).
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iOS UIImagePickerController result image orientation after upload
... the exif data in the uploaded jpeg image, but the program you use to view it is not honoring that flag.
To rotate the UIImage to display properly when uploaded, you can use a category like this:
UIImage+fixOrientation.h
@interface UIImage (fixOrientation)
- (UIImage *)fixOrientation;
@end
UI...
Shards and replicas in Elasticsearch
...t shard and replica is in Elasticsearch, but I didn't manage to understand it. If I download Elasticsearch and run the script, then from what I know I have started a cluster with a single node. Now this node (my PC) have 5 shards (?) and some replicas (?).
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