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Why does “pip install” inside Python raise a SyntaxError?
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I know for me I had to do this from the command line (not python command line). This was after changing directory to the location of python.exe and then needed to put the file type on pip3. In my case I was after requests for HT...
How remove word wrap from textarea?
...ut you can set wrap="soft" to explicitly disable wrap:
<textarea name="nowrap" cols="30" rows="3" wrap="soft"></textarea>
EDIT: The "wrap" attribute is not officially supported. I got it from the german SELFHTML page (an english source is here) that says IE 4.0 and Netscape 2.0 suppor...
How to clear basic authentication details in chrome
... basic authentication. Using Chrome I've logged in using the basic auth. I now want to remove the basic authentication details from the browser and try a different login.
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Generate random numbers using C++11 random library
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@chris we all know the difference between a vector and a map, not everyone knows the difference between mt19937 and ranlux24, if someone managed to become a programmer without knowing what a vector and a dictionary are maybe they should hav...
Make function wait until element exists
...on of MutationObserver.
EDIT: All major browsers support MutationObserver now.
Something along the lines of this should do the trick:
// callback executed when canvas was found
function handleCanvas(canvas) { ... }
// set up the mutation observer
var observer = new MutationObserver(function (mut...
Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]
...to scale up. Great. You're using Puppet for your EC2 deployment, right? So now you configure your Capistrano files to spin up/down instances as needed; you re-jig your Puppet config so Varnish is aware of web-worker instances and will automatically pool between them. Or you heroku scale web:+5.
Hop...
What JSON library to use in Scala? [closed]
...ect
Jerkson ± - Warning a nice library (built on top of Java Jackson) but now abandonware. If you are going to use this, probably follow the Scalding project's example and use the backchat.io fork
sjson - By Debasish Ghosh
lift-json - Can be used separately from the Lift project
json4s ????
§ ± -...
How to unit test an object with database queries
...r
{
public Foo[] GetAllFoos() {
return Foo.GetAll();
}
}
Now in your unit test, you create a mock of FooDataProvider, which allows you to call the method GetAllFoos without having to actually hit the database.
class BarTests
{
public TestGetAllFoos() {
// here we set u...
what is difference between success and .done() method of $.ajax
...ange is for compatibility with jQuery 1.5's deferred object. Deferred (and now Promise, which has full native browser support in Chrome and FX) allow you to chain asynchronous actions:
$.ajax("parent").
done(function(p) { return $.ajax("child/" + p.id); }).
done(someOtherDeferredFunction).
...
What is the documents directory (NSDocumentDirectory)?
...ch with @"~/Documents". Hardcoding paths is never a good idea. It may work now, but if Apple ever chooses to rename or move the Documents directory, your app will break. NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); will always give you the correct directory!
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