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John Carmack's Unusual Fast Inverse Square Root (Quake III)
...i>>1); line. Simplified,
Newton-Raphson is an approximation
that starts off with a guess and
refines it with iteration. Taking
advantage of the nature of 32-bit x86
processors, i, an integer, is
initially set to the value of the
floating point number you want to take
the invers...
What guarantees are there on the run-time complexity (Big-O) of LINQ methods?
I've recently started using LINQ quite a bit, and I haven't really seen any mention of run-time complexity for any of the LINQ methods. Obviously, there are many factors at play here, so let's restrict the discussion to the plain IEnumerable LINQ-to-Objects provider. Further, let's assume that any...
Difference between Observer, Pub/Sub, and Data Binding
...tation for data binding? Ok, here's a stupid one:
a background thread is started that constantly checks the bound property on an object.
if that thread detects that the value of the property has changed since last check, copy the value over to the bound item.
...
Compiled vs. Interpreted Languages
...
Start thinking in terms of a: blast from the past
Once upon a time, long long ago, there lived in the land of computing
interpreters and compilers. All kinds of fuss ensued over the merits of
one over the other. The general...
How do RVM and rbenv actually work?
...is when the version of Ruby is selected.
rbenv:
rbenv adds a shim to the start of your path, a command with the same name as Ruby. When you type ruby at a command line the shim is run instead (because it is also called "ruby" and comes first in the path). The shim looks for an environment variable...
Using build types in Gradle to run same app that uses ContentProvider on one device
...ou use SyncAdapter!
Update for SyncAdapter (14.11.2014)
Once again I will start with my current setup:
Android Studio Beta 0.9.2
Gradle plugin 0.14.1
Gradle 2.1
Basically, if you need to customise some values for different builds you can do it from the build.gradle file:
use buildConfigField to ...
Improving bulk insert performance in Entity framework [duplicate]
...e Entity Framework transaction. Our library uses the transaction if one is started. But be careful, a transaction that takes too much time come also with problems such as some row/index/table lock.
share
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Why not use exceptions as regular flow of control?
...t for exceptions to occur, but there were around 200 exceptions during the start-up in the normal course of operations
My point : if you use exceptions for normal situations, how do you locate unusual (ie exceptional) situations ?
Of course, there are other strong reasons not to use exceptions too...
Nginx no-www to www and www to no-www
...never use a rewrite in this context. Why? Because nginx has to process and start a search. If you use return (which should be available in any nginx version) it directly stops execution. This is preferred in any context.
Redirect both, non-SSL and SSL to their non-www counterpart:
server {
lis...
Is it bad practice to have a constructor function return a Promise?
...
@Bergi thanks for the response, yeah I started to get what you were saying in your question about just creating a static load method, also could use the new await if you declare a static async so like let data = await Engine.load then just pass into constructor.
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