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Rails: Adding an index after adding column
Suppose I created a table table in a Rails app. Some time later, I add a column running:
5 Answers
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How do you set the startup page for debugging in an ASP.NET MVC application?
How do you start debugging the application at the application root? For example: http://localhost:49742/
6 Answers
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TypeLoadException says 'no implementation', but it is implemented
... the other answers that people have added since.
Short answer
This can happen if you add a method to an interface in one assembly, and then to an implementing class in another assembly, but you rebuild the implementing assembly without referencing the new version of the interface assembly.
In th...
How to make an HTTP request + basic auth in Swift
...ying to POST to MailGun for some automated emails I was implementing in an app.
I was able to get this working properly with a large HTTP response. I put the full path into Keys.plist so that I can upload my code to github and broke out some of the arguments into variables so I can have them progra...
How to build jars from IntelliJ properly?
... <finalName>ServiceCreate</finalName>
<appendAssemblyId>false</appendAssemblyId>
<archive>
<manifest>
<mainClass>com.svt.optimoo.App</mainClass>
...
Best way for a 'forgot password' implementation? [closed]
...
Update: revised in May 2013 for a better approach
The user enters his username and hits "forgot password". I also recommend the option of entering the email address instead of the username, because usernames are sometimes forgotten too.
The system has a table pass...
angular ng-bind-html and directive within it
...tch expression could have performance implications.
angular.module('vkApp')
.directive('compile', ['$compile', function ($compile) {
return function(scope, element, attrs) {
var ensureCompileRunsOnce = scope.$watch(
function(scope) {
// watch the 'co...
How do I check if a string contains another string in Objective-C?
...re on iOS 8 or OS X Yosemite, you can now do: (*NOTE: This WILL crash your app if this code is called on an iOS7 device).
NSString *string = @"hello bla blah";
if ([string containsString:@"bla"]) {
NSLog(@"string contains bla!");
} else {
NSLog(@"string does not contain bla");
}
(This is also...
How to get a Docker container's IP address from the host
...s the form {{ .NetworkSettings.Networks.$network.IPAddress }}. The default appears to be bridge, but under docker-compose this will be a specific name that depends on the name of your app (I think from the --project-name flag, though that's also going to depend on what type of networking config you...
What is the most efficient way to store a list in the Django models?
...the root of all evil."
With that firmly in mind, let's do this! Once your apps hit a certain point, denormalizing data is very common. Done correctly, it can save numerous expensive database lookups at the cost of a little more housekeeping.
To return a list of friend names we'll need to create a ...