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Is there an expression for an infinite generator?
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for x in iter(int, 1): pass
Two-argument iter = zero-argument callable + sentinel value
int() always returns 0
Therefore, iter(int, 1) is an infinite iterator. There are obviously a huge number of variations on this particular theme (especially once you add lambda into the mix). One va...
Initialising an array of fixed size in python [duplicate]
.... yet to be populated with values". The Python docs indicate "None is typically used to represent absence of a value". My example produced such a list of the defined size, in the shortest amount of code. Its the closest thing in idiomatic Python at the time the question was asked.
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Spring get current ApplicationContext
...But I avoid creating new ApplicationContextProvider() everytime I need to call the getBean() from the context. What I did was to have static ApplicationContextProvider.getApplicationContext() method. Then, when it is time to need the current app context, I invoke: ApplicationContextProvider appConte...
bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need
...nd followed this tutorial to get Beautiful Soup and lxml, which both installed successfully and work with a separate test file located here . In the Python script that causes this error, I have included this line:
from pageCrawler import comparePages
And in the pageCrawler file I have inclu...
View a list of recent documents in Vim
...@Stew link to that question? Those don't seem to work for me. [UPDATE] actually it works for me with :browse oldfiles – sorry!
– Aaron Gibralter
Feb 20 '14 at 6:11
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Overflow:hidden dots at the end
...an use text-overflow: ellipsis; which according to caniuse is supported by all the major browsers.
Here's a demo on jsbin.
.cut-text {
text-overflow: ellipsis;
overflow: hidden;
width: 160px;
height: 1.2em;
white-space: nowrap;
}
<div class="cut-text">
I like big bu...
Appending to an object
...Query $.extend(obj1, obj2) would merge 2 objects for you, but you should really be using an array.
var alertsObj = {
1: {app:'helloworld','message'},
2: {app:'helloagain',message:'another message'}
};
var alertArr = [
{app:'helloworld','message'},
{app:'helloagain',message:'another...
How to change the blue highlight color of a UITableViewCell?
...tyleGray, it will be gray.
Change the selectedBackgroundView property. Actually what creates the blue gradient is a view. You can create a view and draw what ever you like, and use the view as the background of your table view cells.
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How to get the path of the batch script in Windows?
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%~dp0 will be the directory. Here's some documentation on all of the path modifiers. Fun stuff :-)
To remove the final backslash, you can use the :n,m substring syntax, like so:
SET mypath=%~dp0
echo %mypath:~0,-1%
I don't believe there's a way to combine the %0 syntax with the ...
Remove trailing newline from the elements of a string list
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The Cito comment is actually the one that deserves the most rep. map and comprehension lists are not equivalent in OOP, because we are passe methods, not functions.
– e-satis
Oct 1 '12 at 8:22
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