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No ConcurrentList in .Net 4.0?
...This was the goal of my ConcurrentList<T> implementation. But when I tested its performance in multithreaded scenarios, I found that simply synchronizing adds to a List<T> was faster. Basically, adding to a List<T> is lightning fast already; the complexity of the computational step...
Calling clojure from java
... This example used the Clojure-1.1.0 jar.
Update: This answer has been re-tested using the following tools:
Clojure 1.5.1
Leiningen 2.1.3
JDK 1.7.0 Update 25
The Clojure Part
First create a project and associated directory structure using Leiningen:
C:\projects>lein new com.domain.tiny
N...
Which parts of Real World Haskell are now obsolete or considered bad practice?
...een replaced with more general Foldable t => t a variants.
Chapter 11. Testing and quality assurance
Since Haskell-platform 2010 or late 2008.
Although this is mentioned in a footnote, the QuickCheck library has changed in many ways from version 1 to version 2. For example, generate now uses G...
Best practices for using Markers in SLF4J/Logback
...ng, and Markers are for filtering. These activities are carried out during testing and in production. As such, you need to decide which dimensions you expect may be useful to slice the log data by, and which cases it might be useful to filter it against, when testing/production comes around. Each di...
How can I plot with 2 different y-axes?
...apted from an R mailing list post by Robert W. Baer):
## set up some fake test data
time <- seq(0,72,12)
betagal.abs <- c(0.05,0.18,0.25,0.31,0.32,0.34,0.35)
cell.density <- c(0,1000,2000,3000,4000,5000,6000)
## add extra space to right margin of plot within frame
par(mar=c(5, 4, 4, 6) + ...
Is it better to call ToList() or ToArray() in LINQ queries?
...I wanted to benchmark it to be sure, so I did - and it is, insignificant.
Testing with List<T> source:
ToArray time: 1934 ms (0.01934 ms/call), memory used: 4021 bytes/array
ToList time: 1902 ms (0.01902 ms/call), memory used: 4045 bytes/List
Testing with array source:
ToArray time: 1957 ms...
How to upload a file in Django? [closed]
...s are created::
uploader/
__init__.py
admin.py
app.py
models.py
tests.py
views.py
migrations/
__init__.py
3. Update settings.py
On sample/settings.py add 'uploader' to INSTALLED_APPS and add MEDIA_ROOT and MEDIA_URL, ie::
INSTALLED_APPS = [
'uploader',
...<other app...
What's the difference between EscapeUriString and EscapeDataString?
...
... did some testing looks like I want EscapeDataString for a URI parameter. I tested with the string "I heart C++" and EscapeUriString did not encode the "+" characters, it just left them as is, EscapeDataString correctly converted them...
How to search file text for a pattern and replace it with a given value
...
There are a lot of ways this can go wrong so test it thoroughly before attempting it against a critical file.
– the Tin Man
Dec 6 '19 at 20:04
...
Why Choose Struct Over Class?
...cenarios, there will be likely more than 1 field in a struct, I have added tests for structs/classes with 10 fields instead of 1. Surprisingly, results don't vary much.
ORIGINAL RESULTS (1 June 2014):
(Ran on struct/class with 1 field, not 10)
As of Swift 1.2, Xcode 6.3.2, running Release build...