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How to take the first N items from a generator or list in Python? [duplicate]
...imple syntax: array[start:stop:step]
You can omit any parameter. These are all valid: array[start:], array[:stop], array[::step]
Slicing a generator
import itertools
top5 = itertools.islice(my_list, 5) # grab the first five elements
You can't slice a generator directly in Python. itertools.i...
Prevent browser from loading a drag-and-dropped file
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You can add a event listener to the window that calls preventDefault() on all dragover and drop events.
Example:
window.addEventListener("dragover",function(e){
e = e || event;
e.preventDefault();
},false);
window.addEventListener("drop",function(e){
e = e || event;
...
Passing data to Master Page in ASP.NET MVC
...meterless constructor. I am also not familiar with that C# syntax (specifically the "MasterViewData, new()") for the interface. Can somebody please explain it or point me to a good resource. Thanks.
– Jason
May 12 '10 at 14:39
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How do I erase an element from std::vector by index?
...
Thank you to all who have answered. What are we to think of a class design when such a simple operation as deleting an element, requires one to come to StackOverflow?
– Pierre
Jan 28 '18 at 18:35
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ASP.NET MVC Razor render without encoding
...se will be escaped. The correct way is to use the MvcHtmlString which will allow "illegal" characters. For instance, if you're encoding Json data... without encoding an entire model
– Daniel B. Chapman
Jun 28 '13 at 21:34
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Duplicate log output when using Python logging module
...already a singleton. (Documentation)
The problem is that every time you call myLogger(), it's adding another handler to the instance, which causes the duplicate logs.
Perhaps something like this?
import os
import time
import datetime
import logging
loggers = {}
def myLogger(name):
global l...
How do I change the background color of the ActionBar of an ActionBarActivity using XML?
...roid tag and put just <item name="background"> the color changed for all platforms.
– stevyhacker
Jan 28 '16 at 0:15
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Return index of greatest value in an array
...s say I have more than one index with the same highest value, how do I get all these indexes?
– ed1nh0
Apr 15 '19 at 14:02
1
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How to kill a process running on particular port in Linux?
...TIME_WAIT state after the parent process is killed. The OS will then eventually completely close the port after about 60 seconds. It means that you can't reuse the port for at least 60 seconds (unless you give the reuse option to the socket).
– Mark Lakata
Sep ...
How to deep watch an array in angularjs?
There is an array of objects in my scope, I want to watch all the values of each object.
10 Answers
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