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How to printf uint64_t? Fails with: “spurious trailing ‘%’ in format”
...
The ISO C99 standard specifies that these macros must only be defined if explicitly requested.
#define __STDC_FORMAT_MACROS
#include <inttypes.h>
... now PRIu64 will work
...
Why does Lua have no “continue” statement?
...ction and return early from that, e.g.
-- Print the odd numbers from 1 to 99
for a = 1, 99 do
(function()
if a % 2 == 0 then
return
end
print(a)
end)()
end
Or if you want both break and continue functionality, have the local function perform the test, e.g.
local a = 1
while...
What does a type followed by _t (underscore-t) represent?
... wchar_t, off_t, ptrdiff_t, and probably some others I've forgotten. The C99 standard defines a lot of extra types, such as uintptr_t, intmax_t, int8_t, uint_least16_t, uint_fast32_t, and so on. These new types are formally defined in <stdint.h> but most often you will use <inttypes.h>...
Changing the resolution of a VNC session in linux [closed]
...inux wiki) for
the "2560x1600" resolution:
$ cvt 2560 1600
# 2560x1600 59.99 Hz (CVT 4.10MA) hsync: 99.46 kHz; pclk: 348.50 MHz
Modeline "2560x1600_60.00" 348.50 2560 2760 3032 3504 1600 1603 1609 1658 -hsync +vsync
or if the monitor is old get the GTF timings:
$ gtf 2560 1600 60
# 2560x1600 ...
Best way to assert for numpy.array equality?
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HagaiHHagaiH
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Should I use char** argv or char* argv[]?
...e able to put any size in it, and it's just thrown away. For that reason, C99 came up with a new meaning for those numbers, and allows other things to appear between the brackets:
// says: argv is a non-null pointer pointing to at least 5 char*'s
// allows CPU to pre-load some memory.
int main(int...
Cannot lower case button text in android studio
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Hai RomHai Rom
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How to delete all records from table in sqlite with Android?
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gauravgaurav
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Remove the string on the beginning of an URL
...ption. Whilst it is true that using slice() is slightly faster, this is in 99.9% of scenarios an irrelevant, premature optimisation. Writing replace(/^www\./,"") is clear, self-documenting code.
– Tom Lord
Dec 13 '16 at 14:19
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CFLAGS vs CPPFLAGS
...ude standard compliance or warning flags - you wouldn't want to pass -std=c99 to your C++ compiler!
You might then end up with something like this in your makefile
CPPFLAGS=-I/usr/include
CFLAGS=-std=c99
CXXFLAGS=-Weffc++
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