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How to check whether a file is empty or not?
...irst_char:
... print "file is empty" #first character is the empty string..
... else:
... my_file.seek(0) #first character wasn't empty, return to start of file.
... #use file now
...
file is empty
...
How exactly does __attribute__((constructor)) work?
...unction call to any of the functions declared above
*/
int
main (int argc, char *argv[]) {
printf ("\n\t [ main body of program ]\n");
return 0;
}
output:
init_some_function() called by elf_init()
elf_init() -- (.section .init)
construct1() constructor -- (.section .ctors) pr...
python capitalize first letter only
I am aware .capitalize() capitalizes the first letter of a string but what if the first character is a integer?
8 Answers
...
Java 8 List into Map
...
Based on Collectors documentation it's as simple as:
Map<String, Choice> result =
choices.stream().collect(Collectors.toMap(Choice::getName,
Function.identity()));
...
How to install the Raspberry Pi cross compiler on my Linux host machine?
...ow you should be able to compile your cmake programs simply by adding this extra flag: -D CMAKE_TOOLCHAIN_FILE=$HOME/raspberrypi/pi.cmake.
Using a cmake hello world example:
git clone https://github.com/jameskbride/cmake-hello-world.git
cd cmake-hello-world
mkdir build
cd build
cmake -D CMAKE_TO...
MiniDumpWriteDump 记录dmp文件的简单实例（附调试方法） - C/C++ - 清泛网...
...LONG WINAPI ExceptionHandler(LPEXCEPTION_POINTERS pExceptionPointers)
{
char szFile[MAX_PATH] = {0};
SYSTEMTIME st = {0};
GetLocalTime(&st);
sprintf_s(szFile, "xxx_%d%02d%02d_%02d%02d%02d.dmp",
st.wYear,
st.wMonth,
st.wDay,
st.wHour,
st.wMinute,
st.wSecond);
HANDLE hD...
How can I get `find` to ignore .svn directories?
... set in an integer) is faster than comparing the filename (equivalent to a string comparison, which is O(n)), putting -type d before -name .svn is theoretically more efficient. However, it is usually insignificant except if you have a very very big directory tree.
– Siu Ching P...
Find out what process registered a global hotkey? (Windows API)
...PI, ActiveX, CommCtrl;
procedure GetShellLinkHotKey;
var
LinkFile : WideString;
SL: IShellLink;
PF: IPersistFile;
HotKey : Word;
HotKeyMod: Byte;
HotKeyText : string;
begin
LinkFile := 'C:\Temp\Temp.lnk';
OleCheck(CoCreateInstance(CLSID_ShellLink, nil, CLSCTX_INPROC_SERVER, IShell...
Recommended method for escaping HTML in Java
...
StringEscapeUtils from Apache Commons Lang:
import static org.apache.commons.lang.StringEscapeUtils.escapeHtml;
// ...
String source = "The less than sign (<) and ampersand (&) must be escaped before using them in HTM...
SQL SERVER: Get total days between two dates
...
It also proceeds datetime and datetime2 like a charm as I can see in my results.
– Honza P.
Feb 28 at 8:40
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