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Consequences of using graft in Mercurial
...So we find a new state M that is a mix of D and F and where the difference from D to M is similar to +f and the difference from F to M is similar to -e. It looks like this:
-e +f'
.---- D ----.
/ \
E M
\ /
'---- F ----'
+f -e'
The +f del...
Closing multiple issues in Github with a commit message
...i.e. I clearly close and refer (without closing) multiple different issues from a single commit message.
– waldo
May 20 '11 at 15:14
2
...
Check play state of AVPlayer
...gBlock: or addBoundaryTimeObserverForTimes:queue:usingBlock:.
Example is from Apple:
// Assume a property: @property (retain) id playerObserver;
Float64 durationSeconds = CMTimeGetSeconds([<#An asset#> duration]);
CMTime firstThird = CMTimeMakeWithSeconds(durationSeconds/3.0, 1);
CMTime se...
How to split a string in shell and get the last field
...ng operators:
$ foo=1:2:3:4:5
$ echo ${foo##*:}
5
This trims everything from the front until a ':', greedily.
${foo <-- from variable foo
## <-- greedy front trim
* <-- matches anything
: <-- until the last ':'
}
...
difference between use and require
...h says "namespaces are a honking great idea, we should have more of them" (from "The Zen of Python") -- so e.g. that style recommends not using "using namespace foo;" in C++, so that readers and maintainers of the code won't have to worry "where does this bar come from" but see a more explicit foo::...
Returning the product of a list
...
Without using lambda:
from operator import mul
reduce(mul, list, 1)
it is better and faster. With python 2.7.5
from operator import mul
import numpy as np
import numexpr as ne
# from functools import reduce # python3 compatibility
a = range(1,...
How to calculate moving average using NumPy?
... 3.5, 8.5]. Even the answerer's test case for a moving average of values from 0 to 19 is incorrect, claiming that the average of 0, 1, and 2 is 0.5. How did it get 6 upvotes?
– JeremyKun
Aug 22 '13 at 18:18
...
Programmatically Determine a Duration of a Locked Workstation?
...
I hadn't found this before, but from any application you can hookup a SessionSwitchEventHandler. Obviously your application will need to be running, but so long as it is:
Microsoft.Win32.SystemEvents.SessionSwitch += new Microsoft.Win32.SessionSwitchEventH...
Algorithm to find top 10 search terms
...ications"
Closely related reference to the problem at hand which I picked from the above:
Manku, Motwani - "Approximate Frequency Counts over Data Streams" [pdf]
By the way, Motwani, of Stanford, (edit) was an author of the very important "Randomized Algorithms" book. The 11th chapter of this book...
How do I read any request header in PHP
...18:
Meta-variables with names beginning with HTTP_ contain values read from the client request header fields, if the protocol used is HTTP. The HTTP header field name is converted to upper case, has all occurrences of - replaced with _ and has HTTP_ prepended to give the meta-variable name.
...
