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What is a bus error?
...start
_start:
asm_main_after_prologue:
/* misalign the stack out of 16-bit boundary */
add sp, sp, #-4
/* access the stack */
ldr w0, [sp]
/* exit syscall in case SIGBUS does not happen */
mov x0, 0
mov x8, 93
svc 0
That program then raises SIGBUS on Ubuntu 18.04 a...
Is there a way to run Bash scripts on Windows? [closed]
I have bought and I use Windows 7 Ultimate, and I like to use it to develop applications. One of the down sides (as with every OS) is that I can not run Bash scripts. Is there a way to run Bash scripts on Windows by installing some software? It is ok if it does not work 100%, but as long as the most...
How can I run a program from a batch file without leaving the console open after the program starts?
...
I tried this command in Win8. I'm not sure if it's different, but note that you must provide it with a Window title as your first parameter. When I would run it the way Patrick described, it would just open a new command prompt with "myProgram.exe...
When are C++ macros beneficial? [closed]
...on, to overcome issues of differences between compilers:
#ifdef ARE_WE_ON_WIN32
#define close(parm1) _close (parm1)
#define rmdir(parm1) _rmdir (parm1)
#define mkdir(parm1, parm2) _mkdir (parm1)
#define access(parm1, parm2) _access(parm1, parm2)
#define create(parm1, pa...
Why do I need 'b' to encode a string with Base64?
...
base64 encoding takes 8-bit binary byte data and encodes it uses only the characters A-Z, a-z, 0-9, +, /* so it can be transmitted over channels that do not preserve all 8-bits of data, such as email.
Hence, it wants a string of 8-bit bytes. You cr...
Pandas - Get first row value of a given column
...pies the data into a new Series of object dtype. So
selecting columns is a bit faster than selecting rows. Thus, although
df_test.iloc[0]['Btime'] works, df_test['Btime'].iloc[0] is a little bit
more efficient.
There is a big difference between the two when it comes to assignment.
df_test['Btime']....
What is the difference between String and string in C#?
...framework designers have followed this pattern, good examples being in the BitConverter, BinaryReader and Convert classes.
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“/usr/bin/ld: cannot find -lz”
...1g-dev did not fix it. Installing lib32z1-dev got me past it. I have a 64 bit system and it seems like it wanted the 32 bit library.
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float64 with pandas to_csv
...hich demands some care from the programmer. This article below clarifies a bit this subject:
http://docs.python.org/2/tutorial/floatingpoint.html
A classic one-liner which shows the "problem" is ...
>>> 0.1 + 0.1 + 0.1
0.30000000000000004
... which does not display 0.3 as one would ex...
Generating Guids in Ruby
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To save you a bit of lookup, you'll need to require 'securerandom'
– Jesse Shieh
Dec 12 '12 at 18:41
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