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Sort a list by multiple attributes?
...ing a Lambda of a function of a list of Lambdas.
Its advantage is that it does single pass through the data not a sort of a previous sort as other methods do. Another thing is that it sorts in place, whereas sorted seems to make a copy.
I used it to write a rank function, that ranks a list of clas...
Open file in a relative location in Python
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I found that below simple code will work..does it have any disadvantages ? <pre> file="\sample.txt" path=os.getcwd()+str(loc)+file fp=open(path,'r+');<code>
– user845459
Aug 23 '11 at 20:52
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Proper URL forming with Query String and Anchor Hashtag
...n from an answer over at superuser (https://superuser.com/questions/498617/does-an-anchor-tag-come-before-the-query-string-or-after):
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What's the most efficient way to erase duplicates and sort a vector?
...zer seemed to fail on f4? The numbers are dramatically different to f5. It doesn't make any sense to me.
– sandthorn
Sep 6 '18 at 13:51
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sqlite3.ProgrammingError: Incorrect number of bindings supplied. The current statement uses 1, and t
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@user465139: The % operator on str does that kind of magic—it treats a tuple as multiple values, but a str (or any other kind of iterable) as a single value. But that causes confusion far more often than it solves it, which is why almost nothing else in the ...
What is the best way to repeatedly execute a function every x seconds?
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If your program doesn't have a event loop already, use the sched module, which implements a general purpose event scheduler.
import sched, time
s = sched.scheduler(time.time, time.sleep)
def do_something(sc):
print("Doing stuff...")
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JavaScript check if variable exists (is defined/initialized)
...variable is undefined
}
The typeof operator, unlike the other operators, doesn't throw a ReferenceError exception when used with an undeclared variable.
However, do note that typeof null will return "object". We have to be careful to avoid the mistake of initializing a variable to null. To be saf...
Why git AuthorDate is different from CommitDate?
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So does git commit --amend.
– asmeurer
Aug 8 '12 at 4:51
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How to change the map center in Leaflet.js
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Use map.panTo(); does not do anything if the point is in the current view. Use map.setView() instead.
I had a polyline and I had to center map to a new point in polyline at every second. Check the code :
GOOD: https://jsfiddle.net/nstudor/xc...
What is the difference between Swing and AWT?
... it uses the underlying OS or native GUI toolkit for its functionality, it doesn't provide access to everything that those toolkits can do. Advanced or newer AWT widgets that might exist on one platform might not be supported on another. Features of widgets that aren't the same on every platform mig...