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Unique (non-repeating) random numbers in O(1)?
...tarted with.
This technique doesn't need memory to store a shuffled array etc, which can be an advantage on systems with limited memory.
AES-FFX is one proposed standard method to achieve this. I've experimented with some basic Python code which is based on the AES-FFX idea, although not fully con...
How do I comment on the Windows command line?
...track of multiple sets of values when doing exploration, tests of concept, etc. This approach works because '&' introduces a new command on the same line.
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Plotting a list of (x, y) coordinates in python matplotlib
... So there is no way to have a np.array of data=np.array([[x1,y1],[x2,y2],etc.]) and using plt.plot(data). I'll always have to give two arrays instead of arrays of arrays?
– Max Coplan
Dec 3 '18 at 16:15
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Using Django time/date widgets in custom form
...e AdminDateWidget / AdminTimeWidget / AdminSplitDateTime (replace 'mydate' etc with the proper field names from your model):
from django import forms
from my_app.models import Product
from django.contrib.admin import widgets
class ProductForm(forms.ModelForm)...
How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
...3. So my production code looks like:
$i=11263;
while($i>08448){
...etc...
You can look up the blocks of Unicode by type here:
http://unicode-table.com/en/
If you know you're translating Arabic or Telegu or whatever, you can just replace those codes, not all 65,000.
You could apply this s...
Manually adding a Userscript to Google Chrome
...er to install userscripts directly from sites like OpenUserJS, MonkeyGuts, etc.
Finally, it unlocks most all of the GM functionality that you don't get by installing a GM script directly with Chrome. That is, more of what GM on Firefox can do, is available with Tampermonkey.
But, if you really ...
Equivalent to 'app.config' for a library (DLL)
...d probably be passed as method arguments in constructors, factory methods, etc. by whoever is calling your library. This prevents calling applications from accidentally reusing configuration entries that were expected by the class library.
That said, XML configuration files are extremely handy, so ...
How can I loop through a List and grab each item?
...pends on the size of the List, how many operations you do within the loop, etc.... This was what I was getting at.
– awudoin
Sep 19 '13 at 3:35
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How do you git show untracked files that do not exist in .gitignore
...es that I need to be untracked such as unit tests, personal documentation, etc. I have put them in .gitignore , but it seems that git status still shows them.
...
Difference in make_shared and normal shared_ptr in C++
...e control block (stores meta data such as ref-counts, type-erased deleter, etc)
the object being managed
std::make_shared performs a single heap-allocation accounting for the space necessary for both the control block and the data. In the other case, new Obj("foo") invokes a heap-allocation for th...