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Generate 'n' unique random numbers within a range [duplicate]
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You could use the random.sample function from the standard library to select k elements from a population:
import random
random.sample(range(low, high), n)
In case of a rather large range of possible numbers, you could use itertools.islice with an infinite random generator:
import itertools...
How to make PowerShell tab completion work like Bash
...rs expansions for almost any command, wmi, comobject, assembly with a easy selection way!
– CB.
Nov 25 '11 at 10:04
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How to print a groupby object
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for key, values in gb.iteritems():
print(df.ix[values], "\n\n")
For selective key grouping: Insert the keys you want inside the key_list_from_gb, in following, using gb.keys(): For Example,
gb = grouped_df.groups
gb.keys()
key_list_from_gb = [key1, key2, key3]
for key, values in gb.items()...
Displaying the #include hierarchy for a C++ file in Visual Studio
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If anybody's interested: even if you select the Clang platform toolset, you can still "show includes" if you add -H in C/C++ -> Command Line - Additional Options
– wip
Sep 10 '13 at 6:24
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Is there a best practice for generating html with javascript
...$.template('<div><img src="${url}" />${name}</div>');
$(selector).append( t , {
url: jsonObj.url,
name: jsonObj.name
});
I say go the cool route (and better performing, more maintainable), and use templating.
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Convert hex color value ( #ffffff ) to integer value
...t was to change the Button's text color (Button_C) when I change the color selection from my Preferences (color_prefs).
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Get individual query parameters from Uri [duplicate]
...r arguments = uri.Query
.Substring(1) // Remove '?'
.Split('&')
.Select(q => q.Split('='))
.ToDictionary(q => q.FirstOrDefault(), q => q.Skip(1).FirstOrDefault());
Do note, however, that I do not handle encoded strings of any kind, as I was using this in a controlled setting, ...
Removing duplicate rows in vi?
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Select the lines in visual-line mode (Shift+v), then :!uniq. That'll only catch duplicates which come one after another.
Pass props to parent component in React.js
...list of services (with names and prices) and it will calculate a total the selected prices.
Children are blissfully ignorant
ServiceItem is the child-component in this example. It doesn’t have many opinions about the outside world. It requires a few props, one of which is a function to be called...
Reading settings from app.config or web.config in .NET
... choose the "Add References" option from the Menu.
And from the .NET tab, select System.Configuration. This would include the System.Configuration DLL file into your project.
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