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How can I link to a specific glibc version?
...ect because crosstool-NG does not support building the executables without extra -Wl flags, which feels weird since we've built GCC itself. But everything seems to work, so this is only an inconvenience.
Get crosstool-NG and configure it:
git clone https://github.com/crosstool-ng/crosstool-ng
cd c...
How can I break up this long line in Python?
...
That's a start. It's not a bad practice to define your longer strings outside of the code that uses them. It's a way to separate data and behavior. Your first option is to join string literals together implicitly by making them adjacent to one another:
("This is the first line of my ...
How do I change bash history completion to complete what's already on the line?
...Readline library.
#
# Arrow keys in keypad mode
#
"\C-[OD" backward-char
"\C-[OC" forward-char
"\C-[OA" previous-history
"\C-[OB" next-history
#
# Arrow keys in ANSI mode
#
"\C-[[D" backward-char
"\C-[[C" forward-char
"\C-[[A" previous-history
"\C-[[B...
内存调试技巧：C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
清单 1. 简单的潜在堆内存丢失和缓冲区覆盖
void f1(char *explanation)
{
char p1;
p1 = malloc(100);
(void) sprintf(p1,
"The f1 error occurred because of '%s'.",
explanation);
loca...
How do I convert between big-endian and little-endian values in C++?
...nsigned __int64 _byteswap_uint64(unsigned __int64 value);
8 bit numbers (chars) don't need to be converted.
Also these are only defined for unsigned values they work for signed integers as well.
For floats and doubles it's more difficult as with plain integers as these may or not may be in the h...
How to get a date in YYYY-MM-DD format from a TSQL datetime field?
... @MohsenNajafzadeh In this case Imran is only listing the date format string as a comment, so whether the month is capitalized is irrelevant; readers should know "month" is meant here rather than "minute" from the context of the question.
– TylerH
Sep 23 a...
Reserved keywords in JavaScript
...s a browser and language version agnostic way to determine if a particular string is treated as a keyword by the JavaScript engine. Credits to this answer which provides the core of the solution.
function isReservedKeyword(wordToCheck) {
var reservedWord = false;
if (/^[a-z]+$/.test(wordToC...
Safe String to BigDecimal conversion
I'm trying to read some BigDecimal values from the string. Let's say I have this String: "1,000,000,000.999999999999999" and I want to get a BigDecimal out of it. What is the way to do it?
...
How to achieve code folding effects in Emacs?
...er way to skin the cat:
As it happens, you don’t need any package or extra configuration for
that. Just go to any source file, type
M-1 C-x $ and magic happens!
As usual, it’s white magic: C-x $ will bring your code back.
We can use Emacs’ help system to discover what’s going o...
Unresolved external symbol on static class members
...ou must add the definitions to match your declarations of X and Y
unsigned char test::X;
unsigned char test::Y;
somewhere. You might want to also initialize a static member
unsigned char test::X = 4;
and again, you do that in the definition (usually in a CXX file) not in the declaration (which is...