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adding noise to a signal in python
... In some contexts, it might make more sense to multiply your signal by a noise array (centered around 1), rather than adding a noise array, but of course that depends on the nature of the noise that you're trying to simulate.
– Edward Loper
Dec 27 '12 at...
Accessing localhost:port from Android emulator
...chine with the IP address "10.0.2.2".
This has been designed in this way by the Android team. So your webserver can perfectly run at localhost and from your Android app you can access it via "http://10.0.2.2:<hostport>".
If your emulator must access the internet through a proxy server, you ...
PHP DateTime::modify adding and subtracting months
...g happens internally:
+1 month increases the month number (originally 1) by one. This makes the date 2010-02-31.
The second month (February) only has 28 days in 2010, so PHP auto-corrects this by just continuing to count days from February 1st. You then end up at March 3rd.
How to get what you w...
Get the IP address of the remote host
...g only one of them during runtime. As suggested here, this can be overcome by using dynamic variables. You can also write GetClientIpAddress method as an extension for HttpRequestMethod.
using System.Net.Http;
public static class HttpRequestMessageExtensions
{
private const string HttpContext ...
No module named pkg_resources
...he above isn't working for you.
Explanation
This error message is caused by a missing/broken Python setuptools package. Per Matt M.'s comment and setuptools issue #581, the bootstrap script referred to below is no longer the recommended installation method.
The bootstrap script instructions will ...
What are rvalues, lvalues, xvalues, glvalues, and prvalues?
... examples for xvalues and prvalues; they are the exact opposite. Returning by rvalue reference gives me a prvalue, and returning by value gives me an xvalue. Did you get them mixed up, or is my test bed broken? I tried this with GCC 4.6.1, clang (from svn) and MSVC, and they all show the same beha...
How to switch a user per task or set of tasks?
...ay. @Brett so does that mean the succeeding tasks after this will be ran by some_user and not the original user remote_user which was used to connect to the host, is that correct?
– JohnnyQ
May 20 '16 at 3:47
...
Launch an app on OS X with command line
...apps or here for Carbon apps. You could also probably do something kludgey by passing parameters in using environment variables.
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How to pass command line arguments to a rake task
...OTE:
If running the task from Rails, it's best to preload the environment by adding => [:environment] which is a way to setup dependent tasks.
task :work, [:option, :foo, :bar] => [:environment] do |task, args|
puts "work", args
end
...
Detecting WPF Validation Errors
... controls which need to be checked? My only thought of how to use this is by calling IsValid for each control that needs to be validated. Edit: It seems like you are validating the sender which I expect to be the save button. That doesn't seem to be right to me.
– Nicholas M...