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Calculating a directory's size using Python?
... It is probably wise to add the '-x' option to the du command in order to confine the search to the filesystem. In other words, use ['du', '-shx', path] instead.
– Keith Hanlan
Sep 27 '17 at 20:35
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Is there any advantage of using map over unordered_map in case of trivial keys?
A recent talk about unordered_map in C++ made me realize that I should use unordered_map for most cases where I used map before, because of the efficiency of lookup ( amortized O(1) vs. O(log n) ). Most times I use a map, I use either int or std::string as the key type; hence, I've got...
What is the LD_PRELOAD trick?
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LD_PRELOAD can by virtue of load order intercept application-specified hardcoded paths.
– Joshua
Jun 10 '11 at 16:05
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C++ error: undefined reference to 'clock_gettime' and 'clock_settime'
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@puk Try putting -lrt after main.cpp - order of shared libraries matter - see this or that for more details
– Dmitry Yudakov
Dec 2 '13 at 11:02
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warning: implicit declaration of function
...clude "SSD1306_LCD.h"
Exactly the same #include list, just different order.
Well, it did for me.
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Python Logging (function name, file name, line number) using a single file
...all calls to a single log file or other output target: they will be in the order they occurred in the process.
Next up: (2). locals() provides a dict of the current scope. Thus, in a method that has no other arguments, you have self in scope, which contains a reference to the current instance. The ...
How can I include a YAML file inside another?
... consume an inordinate amount of time because of recursive search.
In order to enable recursive argument, we shall write the !include tag in Mapping or Sequence mode:
Arguments in Sequence mode:
!include [tests/data/include.d/**/*.yaml, true]
Arguments in Mapping mode:
!include {pathna...
What does .SD stand for in data.table in R
...ng numbers can be dangerous if we don't keep smart/strict control over the ordering of when we create the numbered index and when we use it.
Controlling a Model's RHS
Varying model specification is a core feature of robust statistical analysis. Let's try and predict a pitcher's ERA (Earned Runs Av...
How does the const constructor actually work?
...peated calculations, or to make it possible to impose a meaningful sorting order.
This means that const expressions like const Foo(1, 1) can represent any usable form that is useful for comparison in virtual machine.
The VM only needs to take into account the value type and arguments in the orde...
Wildcards in jQuery selectors
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