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Rails 2.3-style plugins and deprecation warnings running task in Heroku
...
Yep, I realize that all the warnings came from my Heroku scripts and logs. I'll assume that (a) it's the plugin injections and (b) that the Heroku team will fix this before it becomes an actual problem.
– fearless_fool
Jan 28 '...
NGINX to reverse proxy websockets AND enable SSL (wss://)?
... spanking new nginx_tcp_proxy_module
Written in August 2012, so if you are from the future you should do your homework.
Prerequisites
Assumes you are using CentOS:
Remove current instance of NGINX (suggest using dev server for this)
If possible, save your old NGINX config files so you can re-use th...
Why would you use an ivar?
...hiving/serialization implementations.
It's also more frequent as one moves from the everything has a public readwrite accessor mindset to one which hides its implementation details/data well. Sometimes you need to correctly step around side effects a subclass' override may introduce in order to do t...
Conditionally ignoring tests in JUnit 4
...auses the test to be ignored.
Edit: To compare with the @RunIf annotation from junit-ext, their sample code would look like this:
@Test
public void calculateTotalSalary() {
assumeThat(Database.connect(), is(notNull()));
//test code below.
}
Not to mention that it is much easier to captur...
How to use WeakReference in Java and Android development?
...ence to an object, but you don't want that reference to protect the object from the garbage collector. A classic example is a cache that you want to be garbage collected when memory usage gets too high (often implemented with WeakHashMap).
Be sure to check out SoftReference and PhantomReference as...
How to namespace Twitter Bootstrap so styles don't conflict
...ontent will not have the bootstrap font (since all bootstrap inherits font from parent)
To fix, the answer should be:
.bootstrap-styles {
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
font-size: 14px;
line-height: 1.428571429;
color: #333333;
background-color: wh...
Why are data transfer objects (DTOs) an anti-pattern?
...plication has a huge cost, so the architecture needs to get a huge benefit from this separation to be worth it.
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In git, is there a way to show untracked stashed files without applying the stash?
... of a stash commit. (This isn't actually documented, but is pretty obvious from The commit which introduced the -u feature, 787513..., and the way the rest of the documentation for git-stash phrases things... or just by doing git log --graph stash@{0})
You can view just the "untracked" portion of t...
Found conflicts between different versions of the same dependent assembly that could not be resolved
...on an up to date VS2015 Update 3 or later). Instead turn it to Diagnostic (from Tools->Options->Project and Solutions->Build and Run, set MSBuild project build output verbosity), whereupon you'll see messages such as:
There was a conflict between "Newtonsoft.Json, Version=6.0.0.0, Culture=...
What are the differences between a UIView and a CALayer?
... that it can be very easily ported to the Mac. UIViews are very different from NSViews, but CALayers are almost identical on the two platforms. This is why the Core Plot framework lays out its graphs using CALayers instead of other UI elements.
One thing UIViews provide over CALayers is built-in ...