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Finding all possible permutations of a given string in python
... # everything to the right of step has not been swapped yet
for i in range(step, len(string)):
# copy the string (store as array)
string_copy = [character for character in string]
# swap the current index with the step
string_copy[step], string_copy[i] = strin...
How do I use method overloading in Python?
...
it's good, but it doesn't work on raw functions, just methods within a class.
– Legit Stack
Mar 1 '19 at 23:42
1
...
Can I install the “app store” in an IOS simulator?
...e
The Simulator does not run ARM code, ONLY x86 code. Unless you have the raw source code from Apple, you won't see the App Store on the Simulator.
The app you write you will be able to test in the Simulator by running it directly from Xcode even if you don't have a developer account. To test your...
Total memory used by Python process?
...MI
w = WMI('.')
result = w.query("SELECT WorkingSet FROM Win32_PerfRawData_PerfProc_Process WHERE IDProcess=%d" % os.getpid())
return int(result[0].WorkingSet)
On Linux (from python cookbook http://code.activestate.com/recipes/286222/:
import os
_proc_status = '/proc/%d/status' % os.g...
How to find list intersection?
...ps)
r.sort()
print(heading, r)
return r[0]
m = 10
nums = list(range(6 * m))
for n in range(1, m + 1):
a = nums[:6*n:2]
b = nums[:6*n:3]
print('\nn =', n, len(a), len(b))
#print('\nn = %d\n%s %d\n%s %d' % (n, a, len(a), b, len(b)))
la = do_timing('lista', cmd_lista, ...
What is the difference between char, nchar, varchar, and nvarchar in SQL Server?
... are exceptions, see below). By using two bytes per character, a very wide range of characters can be stored, so the basic thing to remember here is that nchar and nvarchar tend to be a much better choice when you want internationalization support, which you probably do.
Now for some some finer poi...
How to write a switch statement in Ruby
...ot x === 1..5.
This allows for sophisticated when clauses as seen above. Ranges, classes and all sorts of things can be tested for rather than just equality.
Unlike switch statements in many other languages, Ruby’s case does not have fall-through, so there is no need to end each when with a bre...
What does the constant 0.0039215689 represent?
...ication by 0.0039215689f converts an integer valued color intensity in the range 0 to 255 to a real valued color intensity in the range 0 to 1.
As Ilmari Karonen points out, even if this is an optimisation it's a rather badly expressed one. It would be so much clearer to multiply by (1.0f/255).
...
NPM - How to fix “No readme data”
...EADME.md" displaying on the detail page on npmjs.com. Evidently, it is for raw markdown and not a filename.
– code_monk
Jun 25 '15 at 16:27
...
TargetedPatchingOptOut: “Performance critical to inline across NGen image boundaries”?
...ecause that won't affect the assembly that you just NGen'd. (Since it has raw machine code without referencing String.Equals).
I assume that if that were to actually happen, the security update would clear the NGen store.
Note that this attribute is only useful in the .NET Framework assemblies. Yo...