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How do I replace whitespaces with underscore?
...u don't need regular expressions. Python has a built-in string method that does what you need:
mystring.replace(" ", "_")
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How can I recover the return value of a function passed to multiprocessing.Process?
...kers. Maybe they can all end up at the same worker if they're really fast? Does it happen consistently? Also if you add a delay?
– Mark
Oct 31 '16 at 15:30
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When should one use a 'www' subdomain?
...om". You should listen to both, but what you're using as the canonical one does not really matter (apart from cookie/subdomain issues mentioned by jdangel)
– blueyed
May 20 '10 at 8:36
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Xamarin 2.0 vs Appcelerator Titanium vs PhoneGap [duplicate]
...pp and make a virtue of its consistency across
platforms, even though it does not have the native look and feel on
any platform.
edit Xamarin v3 in 2014 started offering choice of Xamarin.Forms as well as pure native that still follows the philosophy mentioned here (took liberty of inline edit...
AngularJS $http and $resource
...STful web service will be a service with one endpoint for a data type that does different things with that data type based on HTTP methods like GET, POST, PUT, DELETE, etc. So with a $resource, you can call a GET to get the resource as a JavaScript object, then alter it and send it back with a POST,...
Detect when an HTML5 video finishes
...e when using this method, Safari on the El Capitan verson of OS X (10.11) does not catch the 'ended' event. So in that case, I needed to use the 'timeupdate' event and then check for when this.current Time was equal to 0 again.
– Cam
Feb 1 '17 at 23:03
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Not showing placeholder for input type=“date” field
... field as shown below, it shows date picker in iPhone as I expected but it doesn't show the placeholder I have given. I found the same issue here in SO, but no solution anywhere.
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In Python, how do I determine if an object is iterable?
... to have __getitem__ in a non-iterable object and with them the above code doesn't work well. As a real life example we can use Faker. The above code reports it being iterable but actually trying to iterate it causes an AttributeError (tested with Faker 4.0.2):
>>> from faker import Faker
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Does Java support default parameter values?
...oo("a", 2);
foo("a");
One of the limitations of this approach is that it doesn't work if you have two optional parameters of the same type and any of them can be omitted.
Varargs.
a) All optional parameters are of the same type:
void foo(String a, Integer... b) {
Integer b1 = b.length > 0...
COALESCE Function in TSQL
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I've been told that COALESCE is less costly than ISNULL, but research doesn't indicate that. ISNULL takes only two parameters, the field being evaluated for NULL, and the result you want if it is evaluated as NULL. COALESCE will take any number of parameters, and return the first value encoun...
