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gem install: Failed to build gem native extension (can't find header files)
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this worked when i had a problem trying to create an app using ruby on rails. it complained about how it can't install json and bundler can't continue. installing ruby-devel worked.
– Jack
Nov 4 '12 at 20:43
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How to enable or disable an anchor using jQuery?
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The app I'm currently working on does it with a CSS style in combination with javascript.
a.disabled { color:gray; }
Then whenever I want to disable a link I call
$('thelink').addClass('disabled');
Then, in the click handle...
All Ruby tests raising: undefined method `authenticate' for nil:NilClass
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It looks like there are some updates to the source code. The ApplicationController specifies that there needs to be an authenticate_user! filter run before any request. This thread provides some background on issues with it:
http://groups.google.com/group/plataformatec-devise/browse_...
Keyboard shortcuts with jQuery
... special keys like shift,ctrl,alt,...) but I'm having troubles with basic mapping 0-9 and a-z).
– Martin
Dec 19 '13 at 12:16
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What is the equivalent to a JavaScript setInterval/setTimeout in Android/Java?
...setInterval(function(){ Console.log("A Kiss every 5 seconds"); }, 5000);
Approximate java Equivalent
new Timer().scheduleAtFixedRate(new TimerTask(){
@Override
public void run(){
Log.i("tag", "A Kiss every 5 seconds");
}
},0,5000);
setTimeout()
function that works only after...
Get the client's IP address in socket.io
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Using the latest 1.0.6 version of Socket.IO and have my app deployed on Heroku, I get the client IP and port using the headers into the socket handshake:
var socketio = require('socket.io').listen(server);
socketio.on('connection', function(socket) {
var sHeaders = socket.han...
Deleting Row in SQLite in Android
...lue. Anyway its up to user that how much secure he/she wants to make their app.
– Shreyash Mahajan
Dec 1 '14 at 11:16
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Change SQLite database mode to read-write
... This should be marked as the answer. In my case (A desktop app), it was related to Windows Compressing the database due to the main hard disk getting too low in space. I think windows will ask the user if he/she want to compress files in order to obtain space if the user says yes the...
Gradle proxy configuration
...he_web_via_a_proxy
Update
You can also put these properties into gradle-wrapper.properties (see: https://stackoverflow.com/a/50492027/474034).
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Java; String replace (using regular expressions)?
...rent way of thinking out there. I'm not sure what else is going on in your app.
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