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Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
...quivalent to x = true. You can see how that might pose a problem. It only happens with booleans because no other datatype in Ruby has a falsy value.
– Amadan
Jun 10 '13 at 0:42
...
Convert objective-c typedef to its string equivalent
...ictionary) that maps an enum value to a string work, but I find that these approaches are not as clear as a function that makes the conversion explicit (and the array approach, although the classic C way is dangerous if your enum values are not continguous from 0). Something like this would work:
-...
iPhone: Setting Navigation Bar Title
... the title of a navBar inside a tabBar controller, do this:
-(void)viewDidAppear:(BOOL)animated {
self.navigationController.navigationBar.topItem.title = @"myTitle";
}
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SQL Client for Mac OS X that works with MS SQL Server [closed]
...
Let's work together on a canonical answer.
Native Apps
SQLPro for MSSQL
Navicat
Valentina Studio
TablePlus
Java-Based
Oracle SQL Developer (free)
SQuirrel SQL (free, open source)
Razor SQL
DB Visualizer
DBeaver (free, open source)
SQL Workbench/J (free, open source)
Je...
Unsupported major.minor version 52.0 [duplicate]
...Make sure the JDK home path is set to 1.8.
Restart IntelliJ IDEA.
Another approach which might help is by instructing IntelliJ IDEA which JDK version to start up with.
Go to: /Applications/IntelliJ\ IDEA\ 15\ CE.app/Contents/Info.plist
and replace the JVM version with:
<key>JVMVersion</key...
Scripting Language vs Programming Language [closed]
...nguages success is the ease of updating. Do you remember the days of java applets on the web, this is an example of running a programming language (java) vs running a scripting language (javascript). At the time, computers were not as powerful and javascript wasn't as mature so Java applets domina...
Can Selenium Webdriver open browser windows silently in background?
...g Selenium web driver with Python,you can use PyVirtualDisplay, a Python wrapper for Xvfb and Xephyr.
PyVirtualDisplay needs Xvfb as a dependency. On Ubuntu, first install Xvfb:
sudo apt-get install xvfb
then install PyVirtualDisplay from Pypi:
pip install pyvirtualdisplay
Sample Selenium scr...
How to trigger a phone call when clicking a link in a web page on mobile phone
...r future reference: on OS X Yosemite and up, this will launch the Facetime app and, if the user has an iPhone, lets them actually call with their desktop/laptop.
– Jeff Huijsmans
Jun 10 '15 at 10:50
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Is there a way for multiple processes to share a listening socket?
...t want to use it for anything else).
EDIT:
Reading the MDSN library , it appears that WSADuplicateSocket is a more robust or correct mechanism of doing this; it is still nontrivial because the parent/child processes need to work out which handle needs to be duplicated by some IPC mechanism (althou...
Replacing H1 text with a logo image: best method for SEO and accessibility?
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does wrapping an h1 around an image with alt text carry the same weight (seo-wise) as plain text wrapped with an h1?
– Andrew
Jun 18 '09 at 12:11
...