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C/C++ NaN constant (literal)?
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153
In C, NAN is declared in <math.h>.
In C++, std::numeric_limits<double>::quiet_NaN()...
Export from sqlite to csv using shell script
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sqlite3
You have a separate call to sqlite3 for each line; by the time your select runs, your .out out.csv has been forgotten.
Try:
#!/bin/bash
./bin/sqlite3 ./sys/xserve_sqlite.db <<!
.headers on
.mode csv
.output out.csv
se...
How does the Windows Command Interpreter (CMD.EXE) parse scripts?
...as quotes, special characters, token delimiters, and caret escapes.
Phase 3) Echo the parsed command(s) Only if the command block did not begin with @, and ECHO was ON at the start of the preceding step.
Phase 4) FOR %X variable expansion: Only if a FOR command is active and the commands after DO ...
Running V8 Javascript Engine Standalone
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answered Nov 26 '09 at 9:37
community wiki
Geo...
Does setWidth(int pixels) use dip or px?
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edited Nov 3 '17 at 14:46
robguinness
13.9k1313 gold badges5151 silver badges6262 bronze badges
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What are all the differences between src and data-src attributes?
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answered Mar 10 '13 at 8:25
Jukka K. KorpelaJukka K. Korpela
171k3030 gold badges223223 silver badges332332 bronze badges
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How to document a string type in jsdoc with limited possible values
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answered Oct 11 '13 at 16:09
SebastianSebastian
6,36011 gold badge2929 silver badges6464 bronze badges
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What are the advantages of NumPy over regular Python lists?
...as you describe, in Python, would take at least 20 MB or so, while a NumPy 3D array with single-precision floats in the cells would fit in 4 MB. Access in reading and writing items is also faster with NumPy.
Maybe you don't care that much for just a million cells, but you definitely would for a bil...
C Macro definition to determine big endian or little endian machine?
... supporting arbitrary byte orders, ready to be put into a file called order32.h:
#ifndef ORDER32_H
#define ORDER32_H
#include <limits.h>
#include <stdint.h>
#if CHAR_BIT != 8
#error "unsupported char size"
#endif
enum
{
O32_LITTLE_ENDIAN = 0x03020100ul,
O32_BIG_ENDIAN = 0x000...
Django migration strategy for renaming a model and relationship fields
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131
So when I tried this, it seems you can condense Step 3 - 7:
class Migration(migrations.Migrati...