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What does the brk() system call do?
... not sure where the number 512GB in this diagram comes from. It implies a 64-bit virtual address space, which is inconsistent with the very simple memory map you have there. A real 64-bit address space looks more like this:
Legend: t: text, d: data, b: BSS
This is not remotely ...
How would I skip optional arguments in a function call?
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zombatzombat
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Differences between C++ string == and compare()?
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Bo PerssonBo Persson
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Header files for x86 SIMD intrinsics
... compiler and target architecture.
For Microsoft C++ (targeting x86, x86-64 or ARM) and Intel C/C++ Compiler for Windows use intrin.h
For gcc/clang/icc targeting x86/x86-64 use x86intrin.h
For gcc/clang/armcc targeting ARM with NEON use arm_neon.h
For gcc/clang/armcc targeting ARM with WMMX use mm...
Getting back old copy paste behaviour in tmux, with mouse
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84
To restore the default copy/paste configuration you need to (at least temporarily) turn off mou...
Java switch statement multiple cases
...umber of cases with different logic, we can do:
switch (var) {
case (96):
case (97):
case (98):
case (99):
case (100):
//your logic, opposite to what you put in default.
break;
default:
//your logic for 1 to 95. we enter default if nothing a...
How can I get a precise time, for example in milliseconds in Objective-C?
...e is a weird conversion - last line of the first example is "return * (uint64_t *) &elapsedNano;" why not just "return (uint64_t)elapsedNano" ?
– Tyler
Dec 29 '10 at 23:00
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Learning Ruby on Rails
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96
votes
Path of least resistance:
Have a simple web project in mind.
Go to rubyonr...
Python Pandas: Get index of rows which column matches certain value
... index,
In [56]: idx = df.index[df['BoolCol']]
In [57]: idx
Out[57]: Int64Index([10, 40, 50], dtype='int64')
then you can select the rows using loc instead of iloc:
In [58]: df.loc[idx]
Out[58]:
BoolCol
10 True
40 True
50 True
[3 rows x 1 columns]
Note that loc can also accep...
Calculate distance between 2 GPS coordinates
... in meters using eliptical model, accurate to the mm
4326 is SRID for WGS84 elipsoidal Earth model
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