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How could the UNIX sort command sort a very large file?
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use -T to specify the temp dir
– glenn jackman
Jun 22 '11 at 0:37
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Modulo operation with negative numbers
...mple A. 5/(-3) is -1
=> (-1) * (-3) + 5%(-3) = 5
This can only happen if 5%(-3) is 2.
Example B. (-5)/3 is -1
=> (-1) * 3 + (-5)%3 = -5
This can only happen if (-5)%3 is -2
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impr...
Bundle ID Suffix? What is it?
...Bundle ID Suffix. What is this? Not sure what to put here and what the significance of it is.
2 Answers
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Cannot use ref or out parameter in lambda expressions
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Lambdas have the appearance of changing the lifetime of variables that they capture. For instance the following lambda expression causes the parameter p1 to live longer than the current method frame as its value can be accessed after the method frame is no longer on th...
File Upload without Form
... IMHO this is the best solution, however another choice is to use an <iframe inside you can do a regular post back
– John Smith
Nov 12 '14 at 16:41
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Elegant Python function to convert CamelCase to snake_case?
...(r'(?<!^)(?=[A-Z])', '_', name).lower()
print(name) # camel_case_name
If you do this many times and the above is slow, compile the regex beforehand:
pattern = re.compile(r'(?<!^)(?=[A-Z])')
name = pattern.sub('_', name).lower()
To handle more advanced cases specially (this is not reversible...
How do I escape ampersands in batch files?
...ause who would be silly enough to define 20and as an environment variable? If you did, start http://www.google.com/search?q=ampersand%20and%20percentage could link tohttp://www.google.com/search?q=ampersandsomething-silly20percentage instead. Using ^% to escape in cmd, the example works as expected....
In HTML5, should the main navigation be inside or outside the element?
...;nav> element outside the masthead <header> element. However, if the website lacks secondary navigation, it appears common to include the main navigation in a <nav> element within the masthead <header> element.
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What is lexical scope?
...t deduce the outer dynamic scope of a function, consider our last example. If we write something like this:
if(/* some condition */)
dummy1();
else
dummy2();
The call chain depends on a run time condition. If it is true, then the call chain looks like:
dummy1 --> fun()
If the condit...
Static methods - How to call a method from another method?
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@u0b34a0f6ae: I don't know if I am doing something good or not... but I defined a decorator inside a class. The decorator had to be a "staticmethod", not a "classmethod".
– André Caldas
Mar 20 '13 at 18:41
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