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How do you run a single test/spec file in RSpec?

...troller_spec.rb \ SPEC_OPTS="-e \"should log in with cookie\"" Now figure out how to embed this into your editor. share | improve this answer | follow ...
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What is android:weightSum in android, and how does it work?

I want to know: What is android:weightSum and layout weight, and how do they work? 9 Answers ...
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How to use Active Support core extensions

... up loading a lot of unneeded stuff with a simple require 'activesupport'. Now we have to do things like require 'active_support/core_ext/object/blank' If you don't care about granularity, you can choose to load bigger chunks. If you want everything in one big gulp use... For 1.9.2: rvm 1.9.2 ...
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Print only?

...an onclick (as shown above), and pass the id of the div like I did above. Now let's create a really simple javascript: function printDiv(divName) { var printContents = document.getElementById(divName).innerHTML; var originalContents = document.body.innerHTML; document.body.innerHTM...
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UITableView set to static cells. Is it possible to hide some of the cells programmatically?

...That gives you nice animations for the cells appearing and disappearing. Now implement the following table view delegate method: - (float)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { if (indexPath.section == 1 && indexPath.row == 1) { // This i...
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C++ where to initialize static const

... stricly speaking the above example is correct if there is no other code. Now I do appreciate your comment (+1), I'm still learning things myself! So I'll try and clarify that point in the answer, please let me know if it's better... – squelart Apr 9 '10 at 12...
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Performance of Arrays vs. Lists

...sy to measure... In a small number of tight-loop processing code where I know the length is fixed I use arrays for that extra tiny bit of micro-optimisation; arrays can be marginally faster if you use the indexer / for form - but IIRC believe it depends on the type of data in the array. But unless ...
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What's onCreate(Bundle savedInstanceState)

Can anyone help me to know about the Bundle savedInstanceState in onCreate(Bundle savedInstanceState) I am newbie in Android. I try to understand it from developer.android.com. But I am not able to understand. Can anyone simplify it? ...
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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?

...sage queue paradigm (google Spring's Reactor). Really the only distinction now is that RabbitMQ has durable messages.. oh wait Akka supports that now also. He may say "Actor" in the title but explicitly points out Akka which does have massive overlap with many message based systems (both concurrent ...
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jQuery AJAX cross domain

... It's 2016. CORS is now a widely supported standard, as opposed to JSONP which can only be described as a hack. @joshuarh's answer below should be the preferred one now. – Vicky Chijwani Jul 20 '16 at 9:16 ...