大约有 40,000 项符合查询结果(耗时:0.0480秒) [XML]

https://stackoverflow.com/ques... 

Cast a Double Variable to Decimal

... Brant Olsen 5,30055 gold badges3232 silver badges5151 bronze badges answered May 15 '11 at 7:48 Timur SadykovTimur Sadykov ...
https://stackoverflow.com/ques... 

Timeout a command in bash without unnecessary delay

...y, Bash does not support floating point arithmetic (sleep does), therefore all delay/time values must be integers. EOF } # Options. while getopts ":t:i:d:" option; do case "$option" in t) timeout=$OPTARG ;; i) interval=$OPTARG ;; d) delay=$OPTARG ;; *) printUsage...
https://stackoverflow.com/ques... 

Bash continuation lines

... like a single string which crosses lines, while indenting but not getting all those spaces, one approach you can try is to ditch the continuation line and use variables: $ a="continuation" $ b="lines" $ echo $a$b continuationlines This will allow you to have cleanly indented code at the expense ...
https://stackoverflow.com/ques... 

Managing constructors with many parameters in Java

...ing to keep track of any kind of argument order, since any order of those calls will work equally well. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

How should one use std::optional?

...std::string s, int& i); Another way that this could be done is especially bad: int* try_parse_int(std::string s); //return nullptr if fail This requires dynamic memory allocation, worrying about ownership, etc. - always prefer one of the other two signatures above. Another example: clas...
https://stackoverflow.com/ques... 

Permanently add a directory to PYTHONPATH?

...n environment variable in your chosen platform and shell, since it's not really a programming question per se. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Threading pool similar to the multiprocessing Pool?

... I just found out that there actually is a thread-based Pool interface in the multiprocessing module, however it is hidden somewhat and not properly documented. It can be imported via from multiprocessing.pool import ThreadPool It is implemented using a...
https://stackoverflow.com/ques... 

How do I check if a string is a number (float)?

...r. I'm not sure that anything much could be faster than the above. It calls the function and returns. Try/Catch doesn't introduce much overhead because the most common exception is caught without an extensive search of stack frames. The issue is that any numeric conversion function has two kin...
https://stackoverflow.com/ques... 

How can I pad an int with leading zeros when using cout

...ormatted output to a string (char* or char[]) not to console directly. Actually I am writing a function that returns formatted string – shashwat Dec 23 '12 at 9:32 14 ...
https://stackoverflow.com/ques... 

jQuery find events handlers registered with an object

..." $.each(event, function(j, h) { // h.handler is the function being called }); }); Here's an example you can play with: $(function() { $("#el").click(function(){ alert("click"); }); $("#el").mouseover(function(){ alert("mouseover"); }); $.each($._data($("#el")[0], "events")...