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How do I use a file grep comparison inside a bash if/else statement?
...ses the return value of that command to decide how to proceed, with zero meaning true and non-zero meaning false—the same as how other return codes are interpreted by the shell, and the opposite of a language like C.
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Force an Android activity to always use landscape mode
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Looking at the AndroidManifest.xml (link), on line 9:
<activity android:screenOrientation="landscape" android:configChanges="orientation|keyboardHidden" android:name="VncCanvasActivity">
This line specifies the screenOrientation as landsca...
Difference between database and schema
What's the difference between a Database and a Schema in SQL Server? Both are the containers of tables and data.
5 Answers
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How to use the “required” attribute with a “radio” input field
I am just wondering how to use the new HTML5 input attribute "required" in the right way on radio buttons. Does every radio button field need the attribute like below or is it sufficient if only one field gets it?
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Allow user to set up an SSH tunnel, but nothing else
...h server is configured properly for its location)
– Daniel Farrell
Feb 13 '14 at 0:37
?? @DanFarrell would the .ssh/au...
@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:
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Can you “compile” PHP code and upload a binary-ish file, which will just be run by the byte code int
I know that PHP is compiled to byte code before it is run on the server, and then that byte code can be cached so that the whole script doesn't have to be re-interpreted with every web access.
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Use images instead of radio buttons
...class to your labels and in CSS use that class instead.
Custom styles and animations
Here's an advanced version using the <i> element and the :after pseudo:
body{color:#444;font:100%/1.4 sans-serif;}
/* CUSTOM RADIO & CHECKBOXES
http://stackoverflow.com/a/17541916/383904 */
.rad...
How to detect if app is being built for device or simulator in Swift
... answered May 17 '15 at 7:03
DanielDaniel
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Can you provide some examples of why it is hard to parse XML and HTML with a regex? [closed]
...e is that HTML and XML are recursive structures which require counting mechanisms in order to properly parse. A true regex is not capable of counting. You must have a context free grammar in order to count.
The previous paragraph comes with a slight caveat. Certain regex implementations now suppo...