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SQL how to increase or decrease one for a int column in one command
...e action or we have to get the existing value and then add or minus one on top of it?
6 Answers
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How to add to an existing hash in Ruby
... answer to actually answer the question that was asked, somewhere near the top preferably. It would be rude of me to do it for you.
– Stephan
Sep 29 '14 at 7:07
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What is the entry point of swift code execution?
...s the only file which is allowed to have expressions and statements at the top level (all other Swift files in the module can only contain declarations).
Cocoa Touch uses the @UIApplicationMain attribute on an implementation of UIApplicationDelegate instead of a main.swift file to mark the entry po...
Install Gem from Github Branch?
...ndler 2.0, you can get around the above issue with this statement near the top of the Gemfile:
git_source(:github) { |repo| "https://github.com/#{repo}.git" }
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Difference between Hashing a Password and Encrypting it
The current top-voted to this question states:
9 Answers
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CSS: How to have position:absolute div inside a position:relative div not be cropped by an overflow:
... #box2 { position: absolute }
#box3 { position: absolute; top: 10px }
/* Styling */
#box1 { background: #efe; padding: 5px; width: 125px }
#box2 { background: #fee; padding: 2px; width: 100px; height: 100px }
#box3 { background: #eef;...
Faye vs. Socket.IO (and Juggernaut)
...s, for example you can turn it into a server-to-client push service (i.e. stop arbitrary clients pushing to it) by adding authentication extensions.
There is also work underway to make it more flexible on the server side. I'm looking at adding clustering support, and making the core pub-sub engine ...
Changing the status bar text color in splash screen iOS 7
...om the list in the left column of the project editor.
Click General at the top of the project editor.
Set Status Bar Style -> Light
In your plist file add the following values:
Status bar style - UIStatusBarStyleLightContent
View controller-based status bar appearance - NO
This will help ...
Why is document.body null in my javascript?
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The page is read from top to bottom and javascript executed along the way. You have some javascript in the head section that is being executed. But body part of the html, maybe, hasn't been even downloaded yet. Or it is downloaded, but it's still ...
Benefits of prototypal inheritance over classical?
So I finally stopped dragging my feet all these years and decided to learn JavaScript "properly". One of the most head-scratching elements of the languages design is it's implementation of inheritance. Having experience in Ruby, I was really happy to see closures and dynamic typing; but for the li...