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Getting LaTeX into R Plots
...older/")
Lab5p9 <- read.csv (file="~/DataFolder/Lab5part9.csv", comment.char="#")
AR <- subset(Lab5p9,Region == "Forward.Active")
# make sure the data names aren't already in latex format, it interferes with the ggplot ~ # tikzDecice combo
colnames(AR) <- c("$V_{BB}[V]$", "$V_{RB}[V]$" ,...
C++ equivalent of StringBuffer/StringBuilder?
...As far as I know std::string cannot simply extend the size of its internal char*. That means mutating it in a way which requires more characters requires a reallocation and copying. It's no different than a vector of chars and it is certainly better to reserve the space you need in that case.
...
怎么往SetTimer的回调函数传递参数 - C/C++ - 清泛网 - 专注C/C++及内核技术
...LBACK TimerFunc(HWND hwnd,UINT uMsg,UINT_PTR idEvent,DWORD dwTime)
{
char * buf = (char*)idEvent;
printf( "%s/n", buf );//这里打印的就是"abcde"
}
DWORD CALLBACK AutoBakup( PVOID lpParam )
{
char * buf = "abcde";
MSG msg;
UINT id=SetTimer(NULL,1,1000,TimerFunc);
...
Javascript and regex: split string and keep the separator
...ositive) lookahead so that the regular expression asserts that the special character exists, but does not actually match it:
string.split(/<br \/>(?=&#?[a-zA-Z0-9]+;)/g);
See it in action:
var string = "aaaaaa<br />&dagger; bbbb<br />&Dagger; cccc";
console.log...
Useful GCC flags for C
...the required alignment of the target is increased. For example, warn if a char * is cast to an int * on machines where integers can only be accessed at two- or four-byte boundaries.
-Wstrict-prototypes: warn if a function is declared or defined without specifying the argument types.
-Wstrict-overfl...
How to view the assembly behind the code using Visual C++?
...C++ -> Output Files -> ASM List Location and fill in file name. Also select "Assembly Output" to "Assembly With Source Code".
Compile the program and use any third-party debugger. You can use OllyDbg or WinDbg for this. Also you can use IDA (interactive disassembler). But this is hardcore way ...
How to generate gcc debug symbol outside the build target?
...
Refer @Lance Richardson answer comments for an example.
– GuruM
Jul 19 '13 at 11:02
7
...
What is the maximum length of a Push Notification alert text?
...me experiments.
Alerts: Prior to iOS 7, the alerts display limit was 107 characters. Bigger messages were truncated and you would get a "..." at the end of the displayed message. With iOS 7 the limit seems to be increased to 235 characters. If you go over 8 lines your message will also get truncat...
How to check if a string in Python is in ASCII?
...so, then the original string is ASCII.
def isascii(s):
"""Check if the characters in string s are in ASCII, U+0-U+7F."""
return len(s) == len(s.encode())
To check, pass the test string:
>>> isascii("♥O◘♦♥O◘♦")
False
>>> isascii("Python")
True
...
Divide a number by 3 without using *, /, +, -, % operators
...* fp=fopen("temp.dat","w+b");
int number=12346;
int divisor=3;
char * buf = calloc(number,1);
fwrite(buf,number,1,fp);
rewind(fp);
int result=fread(buf,divisor,number,fp);
printf("%d / %d = %d", number, divisor, result);
free(buf);
fclose(fp);
return 0;
}
If...